Kyushu University Academic Staff Educational and Research Activities Database
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Noriyuki Yasufuku Last modified date:2018.06.12

Professor / Geotecnical Engineering group
Faculty of Engineering


Graduate School
Undergraduate School


E-Mail
Homepage
http://www7.civil.kyushu-u.ac.jp/geotech/
Geotechnical Engineering laboratory, Kyushu University .
Phone
092-802-3381
Fax
092-802-3378
Academic Degree
Doctor of Engineering
Country of degree conferring institution (Overseas)
No
Field of Specialization
Geotechnical and Foundation Engineering, Unsaturated Geotechnical Science, Geoenvironmental Engineering
Total Priod of education and research career in the foreign country
12years00months
Outline Activities
1.Research activity from 2001
**:current doctor's or project's subjects have been condacted in oue lab.
1)Strength and deformation characteristics of soil and its constitutive modeling
2)**Mecanical and Hydrolic characteristics of unsaturated sandy and silty soils, together with
developing the test devices with automatic system
3)Collapse behaviour of residual and volucanic ash soils due to soaking
4)Bearing capacity of shallow and deep foundations and its performance based design
5)**Developement of rational design of Earth reinforcement and its application
6)**Evaluation on long-term durability of cement treated soils in undersea environment
7)Evaluation of hybrid-sandwiched dewatering of high water content slurry
8)**Evaluation of embankment slope and the methodology for high quality embankment slope
9)**Geo-environment issues -Developement of high quality artifical geomaterials by mixing local soils with various waste materilas and its applications, Developement of Chemical and mechanical stability method for sea landfill
10)**Environmental frendly new geo-technology for solving land deterioration due to desertification
11)**Lisk evaluation of red soil erosion due to heavy rainfall in Okinawa and its Adaptation
12)bearing capacity of taper piles
13)EVALUATION OF HYDRAULIC PROPERTIES OF UNSATURATED STRUCTURAL SOILS WITH INNER POROSITY
14)Evaluation of Soil-Atmosphere Interaction during Evaporation Process


2.Educational activity
1)1st year class:Introduction of our department
1)2nd and 3rd Year classes : Geo-mechnics, laboratory testing for geomechnics
2)Master course : Analytical methods in Geo-mechnics
3)Leading of Bachelor, Master and Doctor course thesis for students

3.Social activity
As one of the academic members of the Japanese Geotechnical Society, Japan Society of Civil Engineer and International Geosynthetics Society, many social works are done.
Research
Research Interests
  • Mecanical Behavior of Unsaturated Slope due to Heavy Rainfall and Earthquake
    keyword : Slope stability, heavy rainfall and earthquake, Unsaturated soils, SWCC,
    2017.10~2020.09.
  • Visual observation of the pull-out failure mode of belled type pile in sandy soil and its evaluation


    keyword : Belled Type Pile, Half Model Test, Failure Mechanism, FEM analysis, Sand Ground
    2017.04~2020.03.
  • Effects of Grain Size and Density as Pre Bored Pile Filler Material on Bending Moment Due to Lateral Loading
    keyword : Pile foundation, Elastic-plastic behavior, Cyclic lateral loading, Pre-bored hole, Bending moment
    2016.10~2019.09.
  • Velocity features of shear wave in sand in liquefying progress under cyclic tri-axial test with bender elements
    keyword : liquefaction, cyclic, bender elements, velocity of shear wave, shear modulus, sand.
    2016.04~2019.09.
  • Developement of simplified measuring system for SWCC curves of Unsasurated soils
    keyword : Unsaturated soils, SWCC
    2016.04~2019.09.
  • Mechnical and Hydological Behavior of Slag materials with time dependency and its effective utilization
    keyword : Slag, Permiability and strength with time dependency, particle crushing, effective use for soil stabilization
    2016.04~2019.03.
  • Evaluation of Time-Dependent Settlement of Improved Ground by Floating Type DSM Columns

    keyword : DSM columns, Soft soil ground, Time-dependent settlement, Consolidation theory
    2011.10~2017.03.
  • Evaluation of hydraulic properties of unsaturated soil ground
    keyword : water retention characteristics curve, permiability, unsaturated soils
    2013.10~2019.09.
  • Evaluation of unsaturated hydraulic properties of single- and dual-porpsity soils
    keyword : Diatomaceous soils, water retention characteristics curve, permiability, unsaturated soils
    2011.10~2018.03.
  • Evaluation of Long term durability of cement stabilized soils under sea water environment
    keyword : Cement stabilized soils , durability, sea environment, fatigue
    2011.10~2018.03.
  • Simplified methodology for evaluating the quality of embankment slope and
    developement of construction methodology for high performanced embankment slope
    keyword : Embankment slope, compaction, monitaring, unsaturated soil, strength and deformation
    2010.04~2018.03.
  • Development of new technology for conutermeasure of desetification by cooperation with various research field based on Geotechniocal approch
    keyword : prevention of desetification, greening, drained system, groundwater
    2010.04~2018.03.
  • Research on medical plant in dedsertification region by using geotechnical technology
    keyword : desetification prevention, soil-water characteristics curves, suction drained materials, geening in desetification area
    2007.08~2012.03.
  • Soil erosion and flow mechanism by coupling of water and wnd and its risk evaluation
    keyword : Soil erosion, soil flow, risk evaluation, climate change
    2012.05~2016.03.
  • Bearing Capacity of Wind Turbine Pile Foundations in Sandy
    Soil subjected to Static and Cyclic Lateral Loading

    keyword : Cyuclic Loading Horizontal resistance, sandy ground, Pile, Limit stability analysis
    2011.10~2015.09.
  • New evaluation method of tapper shaped piles in sands based on cavity expantion theory and its application
    keyword : bearing capacity, tapper shaped pile, canity expantion theory
    2007.09~2017.03.
  • Developement of portable measuring sysytem of slope stability based on non-destruction method
    keyword : prevention of slope, non-destructive method, stability of slope, heavy reinfall, soil stifness
    2007.07~2011.03.
  • Geotechniocal approch for developing the greening system without any irrigation as a conutermeasure of desetification
    keyword : prevention of desetification, greening, drained system, groundwater
    2007.01~2012.03.
  • Development of slope stability system much stonger against heavy rainfall by combunation of geosynthetics technology
    keyword : Earth reinforcement, plant, ground improvement, slope stabiloty, protection agaist erosion, non-destractive method
    2006.10~2011.03.
  • Inprovement of stability of breakable soils and the erosibility
    keyword : Unsaturated soil, colapese, decomposed residual soils, undesturbed, strength and deformation
    1985.04~2011.03Geomechanical behaviours of collapsible unsasurated sandy soils and its practical applications to the problematic sandy ground.
  • Earth reinforcement and its evaluation
    keyword : Earth reinforcement, geogrid, confining effect,
    1994.10~2011.03Earth Reinforcement Practice.
  • Geotechnical utilization of artificail light geomaterial produced by waste EPS and plastic bottle
    keyword : EPS, Effective utilization, earth pressure, roof greening
    2004.04~2007.03Geotechnical utilization of Cement stabilized dredged soils and artificail light geomaterial produced by waste EPS and plastic bottle.
  • Development of high quality recycling geo-materials with ligh weight waste EPS materials and its effective utilizing technology
    keyword : EPS, recycling, environmental impact
    1998.04~2006.03Development of high quality recycling geo-materials with ligh weight waste EPS materials and its effective utilizing technology.
  • Stress-strain relationships of geomaterials under low and high confining pressure related to soil crushability
    keyword : crushability, sandy soil, constitutive modeling, deformation, low and high pressure
    1981.04~2015.03Stress-strain relationships of geomaterials under low and high confining pressure related to soil crushability.
Current and Past Project
  • To promote co-operation and exchange of information about the behaviour of soil grains and granular interractions, so as to clarify the fundamental micro-mechanisms of the behaviour of soils.
    To encourage a micro-structural undestanding of significant macroscopic behaviours such as compressibility, anisotropy, yielding, creep, shear rupture and tensile fracture.
    To facilitate discussions between research workers proposing DEM numerical simulations of soil aggregates and researchers using colrresponding laboratory tests, especially with regards to the observation of grain crushing and reorientation
  • 1.Study on the monitoring system in slope due to rainfall.
    2.Applicable real time prediction of slope failure.
  • Design method concerning the soil characteristics of highly compressivle ground such as weathered decomposed ground, volcanic ash ground, loess ground and problematic sandy ground.
  • Utilization of artificial geo-materials
  • Laboratory stress strain and strength characteristics of geomaterials
Academic Activities
Books
1. Noriyuki YASUFUKU and Kouhei ARAKI edited., JW-Fukuoka 2011 the 2nd Japan-Korea Joint Workshop on Unsaturated Soils and Ground, 地盤工学会, 2011.10.
2. Dictionary for Tecnical terms of Geotecnical Engineering.
3. H.Ochiai, J.Otani, N.Yasufuku and K.Omine, Landmarks in Earth Reinforcement, Balkema Publishers, 2001.11.
4. Guidline of Laboratory Soil Testing -Ch.7 Soil Shearing Tests-.
5. H.Ochiai, N.Yasufuku and K.Omine, Earth Reinforcement, Balkema Publishers, 1996.11.
Reports
1. N.Yasufuku, Z.Furukawa, K.Omine, A.Marui, R.Kameoka, I.Tuvshintogtokh, B.Mandakh, B.Bat-Enerel, Y.Yeruult, Annual Report on Field Survey with Cultivation of licorice in Bogd in 2013, 2014.06.
2. Diversification of Earth Reinforcement and Soil Improvement Technology.
3. Slope Disaster due to Heavy Rainfall –Values as Geotechnical Researchers and Engineers.
4. Introduction to the Geotechinical Engineering Research Group of Kyushu University.
5. Research Activity and Construction of Geotechnical Database in Kyushu Branch of JGS.
6. Establishment of East Asian Network under Kyushu Branch of JGS.
7. Technical Visit –Gisa Pyramids & Meidum Pyramid Trip Program-.
8. Counter measure of desatification, Medical plant and Geotechnical Engineering.
9. Necessity of intergenerational transfer in geosynthetics technology
Noriyuki YASUFUKU
Geosynthetics Technical Information, Japan Chapter of the International Geosynthetics Society, JCIGS’2009,Vol.25, No.1, March 2009.
10. Life with Slopes –Better Way to Get along with Natural Disaster–
Noriyuki YASUFUKU, Akihiko HIROOKA, Naoaki ARIYOSHI and Kenichi OOYA
Tsuchi-to-Kiso, Vol.54, No.12, pp.17-18, December 2006..
11. Report on the Future’s Activity of the Geo-Environmental Engineering in Kyushu Blanch of Japanese Geotechnical Society
Noriyuki YASUFUKU, Kiyoshi OMINE et al.
Research Committee on the Future’s Activity of the Geo-Environmental Engineering in Kyushu Blanch of Japanese Geotechnical Society, pp.1-47, April 2006..
12. Technical Report on the Monitoring Technology and Real Time Failure Prediction of Slopes Due to Rainfall
Noriyuki YASUFUKU et al.
Technical committee on the monitoring technology and real time failure prediction of slopes due to rainfall, pp.72-75, March 2006..
13. Problem to be Solved and Role of Discrete Element Method for Engineering Issues
Noriyuki YASUFUKU
Tsuchi-to-Kiso, Vol.53, No.12, pp.41-42, December 2005..
14. Noriyuki YASUFUKU, Ch.2 Measurement of Particle Characteristics: “Measurement of Degree of Particle Crushing”, Technical Committee of TC 35, International Society of Soil Mechanics and Geotechnical Engineering,, Technical Report by Japanese Domestic Committee on Geotechnics of Particle Media, Technical Committee of TC 35, International Society of Soil Mechanics and Geotechnical Engineering, pp.2-14-2-17, September 2005, 2005.09.
15. Noriyuki YASUFUKU, Ch.6 Advantages of Clarifying a Particle Characteristics to the Behaviour of Aggregate of Particles: “Pile end Bearing Capacity of Sand Related to Soil Compressibility”, Technical Committee of TC 35, International Society of Soil Mechanics and Geotechnical Engineering, Technical Report by Japanese Domestic Committee on Geotechnics of Particle Media, Technical Committee of TC 35, International Society of Soil Mechanics and Geotechnical Engineering, pp.6-2-6-8, 2005.09.
16. 2. Proper Soil Test Methods and Arranges of Experimental Data for Determining the Parameters in Constitutive Model of Soils
Noriyuki YASUFUKU
Seminar on the Effective Use of Elasto-Plasticity on Geotechnical Design. Kyushu Branch of the JGS, pp.10-24, September 2005..
17. Effective Use of Waste EPS Granular Materials as an Artificial Geo-Material
Noriyuki YASUFUKU, Hidetoshi OCHIAI, Kiyoshi OMINE, Taizo KOBAYASHI
Seminar on Recycling Resources and Waste Materials in Kyushu University, pp.16-23, March 2005..
Papers
1. Guojun Liu, Noriyuki Yasufuku and Ryohei Ishikura, Velocity features of shear wave in sand in liquefying progress under cyclic tri-axial test with bender elements, Proceeding of the 7th China-Japan Geotechnical Symposium on New advances in geotehcnical engineering., 1, 1, 138-142, 2018.03.
2. Ryohei Ishikura, Wataru Arima, Noriyuki Yasufuku,, Interface friction between soft clay and construction material considering the correlation between surface roughness and soil particle size, , Proceeding of the 7th China-Japan Geotechnical Symposium on New advances in geotehcnical engineering., 1, 1, 99-104, 2018.03.
3. Shoma Fujiwara, Ryohei Ishikura, Noriyuki Yasufuku, Mitsuru Taniyama,, Accuracy verification of non-destructive testing method for estimating degree of compaction on embankment slope, , Proceeding of the 7th China-Japan Geotechnical Symposium on New advances in geotehcnical engineering., 1, 1, 57-61, 2018.03.
4. Khonesavanh Vilayvong, Noriyuki Yasufuku, and Phanthoudeth Pongpanya, Evaluation of waterdrop impact soil detachment for a high suction-induced soil, The proceedings of the 19th International Conference on Soil Mechanics and Geotechnical Engineering. , 1, 1, 1257-1260, 2017.09.
5. #S. Ismanti and N. Yasufuku, Evaluation to the Environmental Aspect of Bamboo Leaf Ash Addition in Cemented Bamboo Chips-Sand Soil Mixture, 12th Environmental Geotechnical Engineering Symposium, 1, 1, 245-252, 2017.09.
6. Ahmad Rifa’i and Noriyuki Yasufuku, PHYSICAL MODELING OF PROPOSED POROUS DRAINAGE SYSTEM TO SOLVE INUNDATION PROBLEM, International Journal of GEOMATE, DOI:https://doi.org/10.21660/2018.48.7149 , 15, Issue 48, 137-142, 2017.08.
7. #S. Ismanti and N. Yasufuku, Effect of bamboo leaf ash addition in cemented bamboo chipssand soil mixture, Lowland Technology International 2017; 19 (1): 13-26 International Association of Lowland Technology (IALT): ISSN 1344-9656, 19, 1, 13-26, 2017.04, Utilization of natural materials as a solution to the problems in the geotechnical engineering field has been widely developed. It is necessary to reduce the utilization of cement due to its production contributes to high CO2 emission to the environment. Selection of the natural material considers the potential of
availability and workability. Bamboo, as one of the natural resources, is easy to obtain due to its ability to grow in varying conditions. In the form of bamboo chips and bamboo leaf ash, there are high water absorbability and pozzolanic content, respectively. Effect of bamboo materials addition in the mixture to the mechanical properties was investigated. Many variations in the mixture were performed to determine the effect of cementreplacement by bamboo material. Aspect of geo-environment becomes the main goal of this study through the utilization of natural materials in soil improvement. Furthermore, the
environmental impact by material addition can be investigatedby life cycle assessment..
8. M. F. Awad-Allah, N. Yasufuku and S. Manandhar, Three dimensional (3D) failure pattern of flexible pile due to lateral cyclic loading in sand, Lowland Technology International 2017; 19 (1): 1-12 International Association of Lowland Technology (IALT): ISSN 1344-9656, 19, 1, 1-12, 2017.04, In this paper, a set of small-scale laboratory single flexible pile model was conducted in a medium dense Toyoura sand environment under the effect of cyclic lateral loads. Digital images were captured for the plastic deformations of the soil during the lateral loading from the top of the testing chamber.
Combination of photo image analysis and analytical cyclic p-y curve methods was implemented for estimating the three dimensional (3D) failure zone adjacent to pile shaft. The 3Dfailure pattern of the soil around single pile shaft was investigated through two steps, including: (1) determination of
the range of lateral plastic deformations at the top of ground surface in perpendicular and parallel directions of cyclic loads;
and (2) determination of the point of rotation (zero displacement) along the pile shaft. Experimental results showed that a conical
passive zone of plastic deformations is established around pile shaft due to applying two-way lateral cyclic loading at pile head.
Based on the findings, design considerations for piles subjected to lateral cyclic loading have been introduced..
9. Ahmad Rifa’i, N.Yasufuku, UTILIZATION OF BANTAK AND MERAPI VOLCANIC ASH
FOR POROUS PAVING BLOCK AS DRAINAGE CONTROL
IN THE PRAMBANAN TEMPLE YARD, International Journal of GEOMATE, March, 2017, Vol. 12, Issue 31, pp. 149-154 Geotec., Const. Mat. & Env., ISSN:2186-2990, Japan, DOI: http://dx.doi.org/10.21660/2017.31.70607, 12, 1, 149-154, 2017.03.
10. K. Araki, N.Yasufuku, K. Iwami, K. Okumura, K. Omine, K. Vilayvong, Arresting Rainfall-induced Red Soil Runoff in a Farmland
by Inhibitory Adaptation Measures, Geotechnical Engineering Journal of the SEAGS & AGSSEA Vol. 48 No. 1 March 2017 ISSN 0046-5828, 48, 1, 72-81, 2017.03.
11. MABOJANO Jalalya,, N.Yasufuku, Ryohei Ishikura, EXPERIMENTAL EVALUATION OF AN OPTIMUM SLOPE COVERING LAYER THICKNESS OF LOW
PERMEABLE SOIL (MASADO) FOR SMALL EARTH FILL DAM EMBANKMENT, Unsaturated research Group seminar held in Tokyo, 2016.12.
12. Mahmoud F. Awad-Allah, Ahmed H. Abdel-Rahman, N.Yasufuku, Cyclic response of wind turbine on piles in unsaturated sand, International Journal of Physical Modelling in Geotechnics, 1-16, 2016.12.
13. W.Arima, R.Ishikura, N.Yasufuku, Y.Kaida, Evaluation of soft clay-cement column interface strength and its application in settlement analysis, Proceedings of Geotechnics for sustainable infrastructure development, 1, 1, 768-774, 2016.11.
14. S. Ismanti, N.Yasufuku, Liquefaction Resistance of Bamboo Leaf Ash Addition in Cemented Bamboo Chips-Sand Soil Mixture, The 8th Asian Joint Symposium on Geotechnical and Geoenvironmental Engineering JS-Tainan 2016 National Cheng Kung University, Tainan, Taiwan November 4 -5, 2016, 88-91, 2016.11.
15. W. Weiwen, Ryohei Ishikura, N.Yasufuku, T. Sakata, Liquefaction Resistance of Granulated Furnance Slag Mixed with Natural Sand, The 8th Asian Joint Symposium on Geotechnical and Geoenvironmental Engineering JS-Tainan 2016 National Cheng Kung University, Tainan, Taiwan November 4 -5, 2016, 81-84, 2016.11.
16. A.Adel, N.Yasufuku, Optimizing Adaptations and Experimental Evaluation of the Actual Evaporation and Water Redistribution Through Double Layered Soil Profiles, The 8th Asian Joint Symposium on Geotechnical and Geoenvironmental Engineering JS-Tainan 2016 National Cheng Kung University, Tainan, Taiwan November 4 -5, 2016, 37-41, 2016.11.
17. Zentaro Furukawa, N.Yasufuku, K.Omine, A.Marui, B.Mandakh, I.Tuvsintogtokh, Moisture Retention Effect of Greening Soil Material (GSM) for Survival of
Licorice (Glycyrrhiza uralensis Fisch.) in Mongolian Arid Land, The 8th Asian Joint Symposium on Geotechnical and Geoenvironmental Engineering JS-Tainan 2016 National Cheng Kung University, Tainan, Taiwan November 4 -5, 2016, 43-49, 2016.11.
18. S. MIYAMOTO, Y. MIYATA, N.Yasufuku, VISUALIZATION OF DIRECT SHEAR TEST
OF GEOSYNTHETIC-REINFORCED SAND, 6th Asian Regional Conference on Geosynthetics - Geosynthetics for Infrastructure Development, 8-11 November 2016, New Delhi, India, 770-776, 2016.11.
19. Khonesavanh Vilayvong, N.Yasufuku, K.Omine, Mitigating Rainfall-Induced Sediment Hazard and Soil Erosion
Using Organic Amended Soil Improvement, Journal of Disaster Research, 11, 6, 1228-1237, 2016.10.
20. T.Mukunoki, Kiyonobu KASAMA, S.Murakami, Hiro Ikemi, Ryohei Ishikura, T.Fujikawa, N. Yasufuku, Y.Kitazono, Reconnaissance report on geotechnical damage caused by an earthquake with seismic intensity
7 twice in 28 h, Kumamoto, Japan, Soils and Folundations, 56, 6, 947-964, 2016.11.
21. Ahmad Rifa’i, Nor Puji Lestari, N.Yasufuku, DRAINAGE SYSTEM OF PRAMBANAN TEMPLE YARD USING NO-FINE CONCRETE OF VOLCANTIC ASH AND BANTAK MERAPI , International Journal of GEOMATE, Sept., 2016, Vol. 11, Issue 25, pp. 2499-2505 Geotec., Const. Mat. & Env., ISSN: 2186-2982(Print), 2186-2990(Online), Japan, 56, 2, 2499-2505, 2016.09.
22. Ryohei Ishikura, N.Yasufuku, Michael J Brown, AN ESTIMATION METHOD FOR PREDICTING FINAL CONSOLIDATION SETTLEMENT OF GROUND IMPROVED BY FLOATING SOIL CEMENT COLUMNS, Soils and Foundations , 56, 2, 213-227, 2016.04.
23. K. Vilayvong,, N.Yasufuku, Ryohei Ishikura, Evaluation of rainfall erosivity and impact forces using strain gauges, Lowland Technology International, 17, 4, 207-214, 2016.03.
24. Jidon Teng, N.Yasufuku, Sheng Zhang, Yi He, Modelling water content redistribution during evaporation from sandy soil in the presence of water table, Computers and Geotechnics, 75, 210-224, 2016.02.
25. Zentaro Furukawa, N.Yasufuku, 大嶺 聖, 丸居 篤, 亀岡 廉, Indree Tuvsintogotokh, Bayart Mandakh, B.Bat-Enerel, Y.Yeruult, Settings and Geo-envirinmental conditions of developed Greening Soil Materials (GSM) for Cultivating Licorice (Glycyrrhiza urarensis Fisch.) in Mongolian Arid Region, 沙漠研究 JOURNAL OF ARID LAND STUDIES, 25, 3, 105-108, 2015.12.
26. 亀岡 廉, N.Yasufuku, 大嶺 聖, 丸居 篤, Zentaro Furukawa, Indree Tuvsintogotokh, Bayart Mandakh, B.Bat-Enerel, Y.Yeruult, Developing Licorice Planting Techniques with Cultural Experiments Focused on the Water Conditions of Greening Soil Materials, 沙漠研究 JOURNAL OF ARID LAND STUDIES, 25, 3, 97-100, 2015.12.
27. Zentaro Furukawa, N.Yasufuku, 亀岡 廉, A study on effects and functions of developed Greening Soil Materials (GSM) for combating desertification, The 15th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, 1928-1933, 2015.11.
28. Zentaro Furukawa, N.Yasufuku, 大嶺 聖, 丸居 篤, 亀岡 廉, Indree Tuvsintogotokh, Bayart Mandakh, B.Bat-Enerel, Y.Yeruult, Conditions of developed Greening Soil Materials (GSM) for survival of licorice and combating desertification, Japanese Geotechnical Society Special Publication, The 6th Japan-China Geotechnical Symposium, 25-29, 2015.08.
29. N.Yasufuku, Kohei Araki, Kiyoshi Omine, Kenichiro Okumura, Kohei Iwami, Evaluation of Inhibitory Effect by Adaptation Measure for Red Soil Runoff from Farmland due to Heavy Rainfall, Journal of Disaster Research, 10, 3, 457-465, 2015.06.
30. Ahmad Rifai, Nor Puji Lestari, N.Yasufuku, Drainage system of prambanan temple yard using no-fine concrete of volcanic ash and bantak merapi, International Journal of GEOMATE, 11, 25, 2499-2505, 2015.09.
31. Mohd Khaidir Abu Talib, N.Yasufuku, Ryohei Ishikura, Effectiveness of Sugarcane Bagasse Ash (SCBA) as Partial Cement Replacement in Peat Stabilization, Memoirs of the Faculty of Engineering, Kyushu University, Vol.74,No.3,pp.69-78, 2015, 74, 3, 69-78, 2015.12.
32. N.Yasufuku, Ryohei Ishikura, M.Taniyama, Compaction quality on the embankment slope and its evaluation method, Proceedings of the 15th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering,, 1, 1, 2002-2005, 2015.11.
33. Ryohei Ishikura, Wataru Arima, Zhenbo Jiang, N.Yasufuku, Mobilized Interface Friction between Soft Clay and Cement Column Focusing on the Surface Roughness, Proceedings of International Conference on Soft Ground Engineering, 1, 1, 327-335, 2015.12.
34. Z.B. Jiang, Ryohei Ishikura, N.Yasufuku, Evaluation of settlement behavior of the improved ground by using floating type columns during consolidation, Journal of Lowland Technology International, 17, 2, 59-72, 2015.06.
35. M.K. Abu Talib, N.Yasufuku, Ryohei Ishikura, Effects of sugarcane bagasse ash (SCBA) on the strength and compressibility of cement stabilized peat, Journal of Lowland Technology International, 17, 2, 73-82, 2015.06.
36. Shodai Soda, Ryohei Ishikura, N.Yasufuku, Luky Handokoa, Investigation of the consolidation drainage of high water content clay by siphon method through unsaturated filter, Proceedings of The 5th International Conference of Euro Asia Civil Engineering Forum (EACEF-5), 1, 1, 383-389, 2015.09.
37. Luky Handokoa, Ahmad Rifai, N.Yasufuku, Ryohei Ishikura, Physical properties and mineral content of Sidoarjo mud volcano, Proceedings of The 5th International Conference of Euro Asia Civil Engineering Forum (EACEF-5), 1, 1, 324-330, 2015.09.
38. Jiang Zhenbo, Ryohei Ishikura, N.Yasufuku, Estimation of Consolidating Settlement Based on a Time-Dependent Skin Friction Model Considering Column Surface Roughness, Proc. of 17th International conference on soil mechanics and geotechnical engineering 2015, 17, 9, 92-99, 2015.09.
39. K. Vilayvong, N.Yasufuku, Ryohei Ishikura, Evaluation of rainfall erosivity and impact forces using strain gauges, Journal of Lowland Technology International, 17, 4, 207-214, 2016.03.
40. Handoko, Luky, N.Yasufuku, Ryohei Ishikura, Rifa'i, A, Comparison of consolidation curves for remolded mud volcano of Sidoarjo, Indonesia International Journal of GEOMATE , 10, 4, 1978-1982, 2016.03.
41. M.K.Abu Talib, N.Yasufuku, Ryohei Ishikura, Effectiveness of Sugarcane Bagasse Ash (SCBA) as Partial Cement Replacement in Peat Stabilization, , Memoirs of the Faculty of Engineering, Kyushu University, , 75, 4, 2015.03.
42. Awad-Allah, M. F., N. Yasufuku, Factors Controlling the Behavior of Piled Foundations due to Cyclic Lateral Loading, The 6th Japan-Taiwan Joint Workshop on Geotechnical Hazards from Large Earthquakes and Heavy Rainfalls, Kitakyushu, Japan , 19, 2, 12-15, 2014.07.
43. T. Mine, L. Handoko, N. Yasufuku, Water retention curve of soils with distinct pore space characteristics, Proceedings of the TC105 ISSMGE International Symposium on Geomechanics from Micro to Macro, 2, 1425-1430, 2014.09.
44. K. Araki, K. Okumura, N. Yasufuku, K. Omine, Studies on the inhibitory effect by various adaptation measures for red soil runoff from farmland on field tests, Unsaturated Soils : Research & Applications, 6th International Conference on Unsaturated Soils (UNSAT2014) , 1447-1452, 2014.07.
45. M.K.Abu Talib, N.Yasufuku, An Overview on Japan and Malaysia Peat Relating to Geotechnical Characteristic, , International Journal of Integrated Engineering, , 6, 1, 1-7, 2014.10.
46. Z.Jiang, R.Ishikura, N.Yasufuku, Evaluation of settlement behaviors of the improved ground by using floating type cement-treated columns during consolidation,, Proceedings of Computer methods and Recent Advance in Geomechanics, ID114,, 2014.09.
47. M.K.Abu Talib, N.Yasufuku, R.Ishikura, Utilization of Sugarcane Bagasse Ash in Peat Stabilization,, Proceedings of 9th International Symposium on Lowland Technology, , 174-180, 2014.09.
48. Z.Jiang, R.Ishikura, N.Yasufuku, Testing and Numerical Simulations of Floating Type Cement Treated Columns during Consolidation Settlement,, Proceedings of 9th International Symposium on Lowland Technology,pp.42-49,2014.09. , 2014.09.
49. Ryohei Ishikura, N. Yasufuku, T. Kono, R. Kurokawa, Short Term Durability of Cement Stabilized Sandy Soil under Seawater Environment,, Proceedings of International Symposium of Lowland Technology,pp.181-187,2014.09. , 2014.09.
50. K.Vilayvong,, N. Yasufuku, K. Iwami, Soil Erosion characteristics of a residual soil under wetting-drying cycles, Proceedings of the TC105 ISSMGE International Symposium on Geomechanics from Micro to Macro, 2, 1461-1466, 2014.09.
51. S. Miyamoto, N. Yasufuku, R. Ishikura, K. Omine, S. Kawai, A. Yamawaki, Shearing response and shear strength of solid waste material conducted by developed direct shear test apparatus, , Proceedings of the 10th International Conference on Geosynthetics, Session25-5, 2014.09., 2014.09.
52. S. Miyamoto, N. Yasufuku, R. Ishikura, K. Omine, S. Kawai, A. Yamawaki, In-situ shearing response and shear strength of various solid waste ground focused on fibrous materials composition, , Proceedings of the TC105 ISSMGE International Symposium on Geomechanics from Micro to Macro, Volume2, pp.1357-1362, 2014.09., 2014.09.
53. Qiang. Liu, Noriyuki. Yasufuku, Jiali Miao, Jiague Ren, An approach for quick estimation of maximum height of capillary rize , Soils and Foundations , 56, 6, 1241-1245, 2014.12.
54. Shiyu Liu, N. Yasufuku, Q. Liu, K. Omine, Hemanta Hazarika, Physically based closed-form expression for the bimodal unsaturated hydraulic conductivity function, Water Science and Technology, Vol.68, No,2,pp.328-334, 2013. , 2013.12.
55. Shiyu Liu, N. Yasufuku, Q. Liu, Jin Yu, Prediction of soil water characteristic curve using physically based scaling technique, Lowland Technology International, Vol.15, No,1,pp.10-20, 2013. , 2013.12.
56. Jidong Teng, N. Yasufuku, Analytical solution for soil water redistribution during evaporation process, Water Science and Technology, Vol.68, No,12,pp.2545-2551, 2013. , 2013.12.
57. Awad-Allah, M. F., N. Yasufuku, Predictability of the International Geotechnical for the Estimating Ultimate Bearing Capacity of Large-Diameter Bored Piles, Journal of JSCE Vol. 1, No. 1, pp. 540-550, 2013.12. , 2013.12.
58. K. Okumura, K. Araki, Noriyuki Yasufuku, K. Omine, Hemanta Hazarika, Evaluation of the various adaptation measures to inhibit the red soil runoff based on field test, Proceedings of 7th International Joint Symposium on Problematic Soils and Geoenvironment in Asia, pp.93-98, Okinawa, Japan, 2013.11., 2013.11.
59. A. Rifai, Noriyuki Yasufuku, K. Omine, L. Handoko, Effective utilization of volcanic ash and bantak as substitution materials of no-fines concrete for geo-structure, Proceedings of 7th International Joint Symposium on Problematic Soils and Geoenvironment in Asia, pp.93-98, Okinawa, Japan, 2013.11., 2013.11.
60. S.Manandhar, D. Suetsugu, Noriyuki Yasufuku, End bearing mechanism of tapered piles in cohesionless soil using cavity expansion theory, Proceedings of 7th International Joint Symposium on Problematic Soils and Geoenvironment in Asia, pp.155-158, Okinawa, Japan, 2013.11. , 2013.11.
61. S. Suenaga, Ryohei Ishikura, Noriyuki Yasufuku, T. Kobayashi, M. Taniyama, Improvement of compaction quality on the embankment slope and its evaluation method, Proceedings of 7th International Joint Symposium on Problematic Soils and Geoenvironment in Asia, pp.155-158, Okinawa, Japan, 2013.11. , 2013.11.
62. M.Iwasaki, Noriyuki Yasufuku, Q.Liu, Hemanta Hazarika, Ryohei Ishikura, Evaporation Behavior of Sandy Soil Layer focusing on grain Size and Depth from the surface, Proceedings of 7th International Joint Symposium on Problematic Soils and Geoenvironment in Asia, pp.71-74, Okinawa, Japan, 2013.11. , 2013.11.
63. Kohei Iwami, Kohei Araki, Noriyuki Yasufuku, K. Vilayvong, Characteristics of Red Soil Lossduring Short Time Heavily Rain, Proceedings of 7th International Joint Symposium on Problematic Soils and Geoenvironment in Asia, pp.131-134, Okinawa, Japan, 2013.11. , 2013.11.
64. Mohd Khaidir Abu Talib, Noriyuki Yasufuku, An overview on Japan and Malaysia peat relating to geotechnical characteristic, Proceeding of Talent Management Symposium (TMS), Nagoya Institute of Technology (NIT), Nagoya, Japan, Pp.7, October 2013, 2013.10.
65. Qiang Liu, Noriyuki Yasufuku, A geotechnical countermeasure for combating desertification, Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering , Paris,pp.1133-1136,2013.09., 2013.09.
66. Awad-Allah, M. F, Noriyuki Yasufuku, Comparative Study between the Methods Used for Estimating Ultimate Lateral Load of Piles in Sandy Soil, The 5th International Young Geotechnical Engineer’s Conference, pp. 165-168, Paris, France, 31 Aug-1 Sep (2013)., 2013.09.
67. Rashidah ADON, Noriyuki Yasufuku, Ryohei Ishikura, Devapriya WIJEYESEKERA, New Technique Assessment of Plastic Limit of Soft Clay Particularly Peat Soils, Memoirs of the Faculty of Engineering, Kyushu University,73,1,47-55,2013.06., 2013.06.
68. Awad-Allah, M. F, Noriyuki Yasufuku, Performance of Pile Foundations in Sandy Soil under Slow Cyclic Loading, The 5th International Conference Geotechnical Symposium on Geot. Eng. for Disaster Prevention & Reduction, Incheon, Korea, pp. 291-300, May (2013)., 2013.05.
69. Jidong Teng, Noriyuki Yasufuku, Qiang Liu, Shiyu Liu, Evaluation of methods for calculating evaporation from soil surface, Proceedings of the 5th China-Japan Geotechnical Symposium, Chengdu, China,pp.499-506,2013.05., 2013.05.
70. Luky Handoko, Noriyuki Yasufuku, Kiyoshi Omine, Hemanta Hazarika, Suction Controlled Triaxial Apparatus for Saturated-Unsaturated Soil Test, International Journal of Geotechnique, Construction Materials and Environments, 2013.03.
71. Awad-Allah, M. F., N. Yasufuku, K. Omine, Evaluation of Accuracy and Predictability of the Methods Used for Calculating Ultimate Horizontal Load of Piles, Journal of Soil Mechanics and Foundation. Egyptian Geotechnical Society , 19, 2, 213-231, 2013.01.
72. Noriyuki Yasufuku, Kiyonobu KASAMA, Daisuke Suetsugu, Hidemi Yakabe, Report on Geodisasters in Northen Kyushu Area Caused by Heavy rainfall in July 2012, International Workshop on Geotechnical Natural Hazards, pp. 23-32, , 2012.11, keynote paper として講演.
73. Noriyuki Yasufuku, LIU QIANG, Zentaro Furukawa, A Geotechnical Challenges for Combating Desertification Application of Self-Waterig System in Unsaturated Arid Ground-, Proceedings of International Joint Symposium on Urban Geotechnics for Sustainable Development, Seoul, South Korea, pp.7-23, 2012.11.
74. Ryohei ISHIKURA, Hiroshi MATSUDA, Naoyuki IGAWA, Noriyuki YASUFUKU, Kiyoshi OMINE, Visualization of Settlement Behavior and Bearing Capacity of Piled Raft Foundation in Soft Ground , Proceedings of International Joint Symposium on Urban Geotechnics for Sustainable Development, Seoul, South Korea, pp.90-93, 2012.11.
75. Kenichiro OKUMURA, Kohei ARAKI, Noriyuki YASUFUKU, Kiyoshi OMINE, Hemanta HAZARIKA, Studies on the inhibitory effect of red soil runoff by various adaptation measures on field tests, Proceedings of International Joint Symposium on Urban Geotechnics for Sustainable Development,pp.140-143, 2012.11.
76. Jiali Miao, Noriyuki Yasufuku, Seawater Pressure Effect on Chemical Properties of Cement Treated Soil, Proceedings of International Joint Symposium on Urban Geotechnics for Sustainable Development, Seoul, South Korea, pp148-151, 2012.11.
77. Jidong TENG, Noriyuki YASUFUKU, Qiang LIU, Estimating Evaporation from Unsaturated Soil Based on the Surface Water Content, Proceedings of International Joint Symposium on Urban Geotechnics for Sustainable Development, Seoul, South Korea, pp.164-167, 2012.11.
78. Shiyu LIU, Noriyuki YASUFUKU, Qiang LIU, Using Physically Based Scaling Theory for Arya and Paris model, Proceedings of International Joint Symposium on Urban Geotechnics for Sustainable Development, Seoul, South Korea, pp.197-201, 2012.11.
79. Luky HANDOKO, Noriyuki YASUFUKU, Kiyoshi OMINE, Hemanta HAZARIKA, Suction Controlled Triaxial Apparatus for Saturated-Unsaturated Soil Test, Proceeding of Second International Conference of Geotechnique, Construction Materials and Environment, Kuala Lumpur, Malaysia, p.489-493, 2012.11.
80. Luky HANDOKO, Noriyuki Yasufuku, Harya DANANJAYA, Unsaturated Hydraulic Properties of Non-woven Geotextile based on Tilted Capillary Test, Geosynthetic Engineering Journal, vol. 27, p.19-24, 2012.11.
81. Luky HANDOKO, Harya DANANJAYA, Noriyuki YASUFUKU, Hidetoshi Ochihai, Unsaturated Hydraulic Properties of Non-woven Geotextile based on a Modified Capillary Test, Proceeding of 5th European Geosynthetics Congres, Valencia, Spain, p.125-131, 2012.09.
82. Jiali Miao, Noriyuki YASUFUKU, Kiyoshi OMINE, Hementa Hazarika, Seawater Pressure Influence on Deterioration of Soil Cement, The 8th International Symposium on Lowland Technology, Bali, Indonesia, pp1083-1088, 2012.09.
83. Shiyu LIU, Noriyuki YASUFUKU, Qiang LIU, Kiyoshi OMINE, Hemanta HAZARIKA, Upscaling Soil Water Retention Functions Using Particle Size Distribution, The 8th International Symposium on Lowland Technology, Bali, Indonesia, pp.189-198, 2012.09.
84. Jidong TENG, Noriyuki YASUFUKU, Kiyoshi OMINE, A Newly Developed Climate Control Apparatus to Investigate Evaporation Behavior, The 8th International Symposium on Lowland Technology, Bali, Indonesia, pp.161-166, 2012.09.
85. Suman Manandhar, Noriyuki Yasufuku, Taizo Kobayashi, Mitsuru Taniyama, Quality Assessment of High Water Content Embankment Slope Based on Compaction Energy, Proceedings of 2nd International Conference on Transportation Geotechnics, pp. 817-822, , 2012.09.
86. Ryohei ISHKURA, Hiroshi MATSUDA, Noriyuki YASUFUKU, Kiyoshi OMINE, Koji KASHIMA, Naoyuki IGAWA, Settlement Behavior of Piled Raft Foundation in Soft Ground, Proceedings of the 9th International Conference of on Testing and Design Methods for Deep Foundation, pp.485-490, 2012.09.
87. Mahmoud F. Awad-Allah, Noriyuki Yasufuku, Kiyoshi Omine, Influence of Active Earth Pressure and Side Shear Resistance on Ultimate Horizontal Pile Capacity, Proceedings of the 9th International Conference of on Testing and Design Methods for Deep Foundation, pp.343-351, 2012.09.
88. Suman Manandhar, Noriyuki Yasufuku, Kiyoshi Omine, Application of Cavity Expansion Theory for evaluating of Skin Friction of Tapered Piles in Sands, International Journal of Geo-Engineering, Vol.4, No.2, pp.5-17, 2012.09.
89. Zentaro Furukawa, Kiyoshi Omine, Noriyuki Yasufuku, Taizo Kobayashi, Haruka Kiyotomo, Atsushi Shinkai, Geo-environmental investigation of vegetated area for licorice and fundamental consideration for greening by using pipe-shaped pot, Journal of Arid Land Studies, vol.22 No.1, June 2012, pp.263-26, 2012.06.
90. Haruka Kiyotomo, Kiyoshi Omine, Noriyuki Yasufuku, Taizo Kobayashi, Zentaro Furukawa, Atsushi Shinkai, Comparison of Quality of Licorice(Glycyrrhiza uralensis) under Different Groundwater Levels and Soil Conditions, Journal of Arid Land Studies, vol.22 No.1, June 2012, pp.275-278, 2012.06.
91. Shintaro Miyamoto, Kiyoshi Omine, Noriyuki Yasufuku, Atsushi YAMAWAKI, Youichi DOI, Mikio KAWASAKI, Shear Property of Solid Waste Materials by In-situ Direct Shear test, Proceedings of XII International Symposium on Environmental Geotechnology, Energy and Global Sustainable Development, Los Angeles, CA, , 2012.06.
92. Kiyoshi Omine, Noriyuki Yasufuku, Azizul Moqsud, Electricity Generation in a Compost-based Microbial Fuel Cell Using Organic Wastes, Proceedings of XII International Symposium on Environmental Geotechnology, Energy and Global Sustainable Development, Los Angeles, CA, , 2012.06.
93. Mahmoud F. Awad-Allah, Noriyuki Yasufuku, Kiyoshi Omine, Experimental Study on the Behavior of Pile Group under Cyclic Lateral Loading., The 9th International Conference on Civil and Architecture Engineering (ICCAE-9), The Military Technical College, Cairo, Egypt,pp.1-15, May 2012, 2012.05.
94. Taizo Kobayashi, Hiroyuki Onoue, Shinji Oba, Noriyuki YASUFUKU, Kiyoshi Omine, A constant-head pumping test method using direct-push equipment for in situ hydraulic conductivity measurements, Geotechnique, Vol. 62, No. 3, pp. 253-262, 2012.03.
95. LIU QIANG, Noriyuki Yasufuku, Hazarika Hemanta, Automatic Soil Water Retention Test System with Volume Change Measurement for Sandy and Silty Soils., Soils and Foundations, Vol.52, No.2, pp.368-380, February 2012, 2012.02.
96. Noriyuki Yasufuku, Suman Manandhar, Analytical Model for the End Bearing Capacity of Tapered Piles using Cavity Expansion Theory, Advances in Civil Engineering, Vol. 2012, Article Id 749540, 9 pages, 2012, Vol. 2012,, Article Id 749540, 9 pages, 2012, 2012.01.
97. Awad-Allah, M. F., Yasufuku, N., and Omine, K. , Evaluation of Accuracy and Predictability of the Methods Used for Calculating Ultimate Horizontal Load of Piles, Soil Mechanics and Foundations, Journal of the Egyptian Geotechnical Society, Vol. 20, part 2, December, 2011. , Vol. 20,, part 2, December 2011. , 2011.12.
98. Awad-Allah, M. F., Yasufuku, N., and Omine, K. , Proposed Analytical Solution for Estimating of Ultimate Lateral Capacity of Piles in Sandy Soils., International Journal of Geo-engineering. Korean Geotechnical Society, Soule, Korea. , Vol.3, No. 4, , pp29-39, December 2011. , 2011.12.
99. Suman MANANDHAR and Noriyuki YASUFUKU , Evaluation of Skin Friction of Tapered Piles in Sands based on Cavity Expansion theory, Memoirs of the Faculty of Engineering, Kyushu University, , Vol. 71, , No. 4, , pp. 101-126, December 2011. , 2011.12.
100. Suman MANANDHAR and Noriyuki YASUFUKU , End Bearing Capacity of Tapered Piles in Sands using Cavity Expansion theory, Memoirs of the Faculty of Engineering, Kyushu University, , Vol. 71, , No. 4, , pp. 77-99, December 2011. , December 2011. , 2011.12.
101. Quian LIU, Noriyuki YASUFUKU and Kiyoshi OMINE and Hemanta HAZARIKA , A Geotechnical Countermeasure for Combating Desertification – Self-Watering System in Unsaturated Arid Ground., The 5th International Symposium on the East Asian Environmental Problems. , pp.209-216. November 2011., 2011.11.
102. Kouhei Araki, Noriyuki YASUFUKU, Keita MURAYAMA, Kiyoshi OMINE and Hemanta HAZARIKA, Modeling for Outflow of Soil Sediments Considering Grain Size Distribution, Proceedings of the 2nd Korea-Japan Joint Workshop on Unsaturated Soils, , pp.151-160, September 2011., 2011.09.
103. Khonesavanh VILAYVONG, Kiyoshi OMINE, Noriyuki YASUFUKU and Hemanta HAZARIKA, Infiltration and Hydraulic Behavior of Unsaturated Charcoal-Soil Mixtures, Proceedings of the 2nd Korea-Japan Joint Workshop on Unsaturated Soils, pp.125-132, September. 2011., pp.141-150, September. 2011., 2011.09.
104. Quian LIU, Noriyuki YASUFUKU and Kiyoshi OMINE, A Simplified Method to Determine the Maximum Height of Capillary Rise, Proceedings of the 2nd Korea-Japan Joint Workshop on Unsaturated Soils, pp.125-132, September. 2011., pp.125-132, September. 2011., 2011.09.
105. Qiang LIU, Noriyuki YASUFUKU, Kiyoshi OMINE, and Taizo KOBAYASHI. , Automatic Soil Water Retention Testing System with Volume Change Measurement, The 5th International Syposium on Deformation Characteristics of Geomaterials. , pp.447-453, September 2011.
, 2011.09.
106. Jun TONG, Noriyuki YASUFUKU, Kiyoshi OMINE and Taizo KOBAYASHI , Influence of Magnitudes of Negative Dewatering Pressures on the Dewatering Behavior of Dredged Slurry, 4th Japan-Korea Geotechnical Engineering Workshop, p.151-154, July 2011. , 2011.07.
107. Zentaro FURUKAWA, Kiyoshi OMINE, Noriyuki YASUFUKU, Taizo KOBAYASHI, Haruka KIYOTOMO and Atsushi SHINKAI , In-Situ Investigation of Geo-Environment in Arid Land Which Licorice Grows Wildly and A Consideration for Added Value Greening, 4th Japan-Korea Geotechnical Engineering Workshop, p.151-154, July 2011. , 2011.07.
108. Jun TONG, Noriyuki YASUFUKU, Kiyoshi OMINE and Taizo KOBAYASHI , Influence of the Initial Water Contents on the Dewatering Behavior of the Dredged Slurry under Horizontal Drainage Condition, Geo-Environmental Engineering 2011, , p.155-159, May 2011.
, 2011.05.
109. Atsushi MARUI, Tomoaki NAGAFUCHI, Yoshiyuki SHINOGI, Noriyuki YASUFUKU, Kiyoshi OMINE, Taizo KOBAYASHI and Atsushi SHINKAI , Soil Physical Properties to Grow the Wild Licorice at Semi-Arid Area in Mongolia, 1st International Conference on Arid Land (DX-T) , (on CD-ROM), May, 2011
, 2011.05.
110. Taizo KOBAYASHI, Atsushi SHINKAI, Noriyuki YASUFUKU, Kiyoshi OMINE, Atsushi Marui and Tomoaki NAGAFUCHI , A Field Survey of Soil Conditions in Steppe of North-Eastern Mongolia, 1st International Conference on Arid Land (DX-T) , (on CD-ROM), May, 2011
, 2011.05.
111. Qiang LIU, Noriyuki YASUFUKU, and Taizo KOBAYASHI. , Evaluation of Hysteresis of Soil Water Retention by A Semi-Physical Model., The 14th Asian Reginal Conference on Soil Mechanics and Geotechnical Engineering. , CD-ROM. May. 2011, 2011.05.
112. Jun TONG, Noriyuki YASUFUKU, Kiyoshi OMINE and Taizo KOBAYASHI, Experimental Study on the Dewatering Behavior of the Dredged Mud with Horizontal Drainage by Siphon Method, Geosynthetics Engineering Journal, , Vol.25, pp.267-270, December 2010, 2010.12.
113. Suman MANANDHAR, Noriyuki YASUFUKU, Kiyoshi OMINE and Taizo KOBAYASHI, Response of Tapered Piles in Cohesionless Soil based on Model Tests, Journal of Nepal Geological Society, , Vol. 40, pp. 85-92, December 2010, 2010.12.
114. Jun TONG, Noriyuki YASUFUKU, Kiyoshi OMINE, and Taizo KOBAYASHI, Experimentally Comparative Study on the Dewatering of the Dredged Mud by Siphon and Vacuum Methods, Proc. of the 7th International Symposium on Lowland Technology,, pp.79-83, September 2010, 2010.09.
115. Haruka KIYOTOMO, Noriyuki YASUFUKU, Kiyoshi OMINE, Taizo KOBAYASHI and Zentaro FURUKAWA, Influences of Soil-water Properties on Growth of Medicinal Plant “Kanzo” under Constant Groundwater Level, Proc. of 3rd Korea-Japan Geotechnical Engineering Workshop - Current Geotechnical Issues in Eastern Asia -, , pp.81-85, September 2010, 2010.09.
116. Jun TONG, Noriyuki YASUFUKU, Kiyoshi OMINE, and Taizo KOBAYASHI, Comparative Study on Dewatering Sludge with Solar Drying and Siphon Methods, Proc. of 3rd Korea-Japan Geotechnical Engineering Workshop - Current Geotechnical Issues in Eastern Asia -, , pp.125-128, September 2010, 2010.09.
117. Qiang LIU, Noriyuki YASUFUKU and Kiyoshi OMINE, Effect of Soil Bulk Density on Soil Water Retention Curves, Proceeding of the 4th Japan-China Geotechnical Symposium, , pp. 135-140, April 2010, 2010.04.
118. New Techniques for Improvement of Geo-environments using Waste Organic Resources.
119. Evaluation of Bending Strength of Shallow Stabilized Ground with Floating-Type Deep Mixing Wall.
120. Ahmad RIFA’I, Noriyuki YASUFUKU and Kazuyoshi TSUJI, Characterization and Effective Utilization of Coal Ash as Soil Stabilization on Road Application, Proc. of International Symposium on Ground Improvement Technologies and Case Histories, pp.469-474, December 2009, pp.469-474, December 2009

, 2009.12.
121. Zhang JUN, Noriyuki YASUFUKU, Evaluation of Rainfall Infiltration and Compaction Effect on Soil-Geogrid Interaction Behavior, Geosynthetics Engineering Journal, Vol. 24, pp. 61-68, December 2009, Vol. 24, pp. 61-68, December 2009

, 2009.12.
122. Geotechnical Characterizations of Pile Foundation Design for New-Kitakyushu Airport Bridge
Noriyuki YASUFUKU, Hidetoshi OCHIAI, Yoshito MAEDA and Susumu YASUDA
Proc. of the 54th Geotechnical Engineering Symposium, pp. 177-184, November 2009
.
123. Ahmad RIFA’I, Noriyuki YASUFUKU, Kiyoshi OMINE and Kazuyoshi TSUJI, Experimental Study of Coal Ash Utilization for Road Application on Soft Soil, Proc. of the International Joint Symposium on Geodisaster Prevention and Geoenvironment in Asia, pp.185-192, November 2009, pp.185-192, November 2009

, 2009.11.
124. Suman MANANDHAR, Noriyuki YASUFUKU, Kiyoshi OMINE and Qiang LIU, Mobilized Mechanism of Skin Friction of Tapered Piles in Sand, Proc. of the International Joint Symposium on Geodisaster Prevention and Geoenvironment in Asia, pp.171-178, November 2009, pp.171-178, November 2009

, 2009.11.
125. Qiang LIU, Noriyuki YASUFUKU and Kiyoshi OMINE, Comparison of A Semi-physical Model and Typical Empirical van Genuchten Model for Soil Water Retention Curve, Proc. of the International Joint Symposium on Geodisaster Prevention and Geoenvironment in Asia, pp.111-116, November 2009, pp.111-116, November 2009

, 2009.11.
126. Zentaro FURUKAWA, Kiyoshi OMINE, Noriyuki YASUFUKU and Taizo KOBAYASHI, Influences of Soil Condition on Growing Kanzo (Glycyrrhiza Uralensis) using Pipe-shaped Pot, Proc. of the 3rd Japan-Malaysia Symposium on Geohazards and Geoenvironmental Engineering-Geotechnical and Environmental Management for Grobal Sustainability, pp.113-117, October 2009, pp.113-117, October 2009

, 2009.09.
127.
.
128. Evaluation of the Settlement of In-Situ Improved Ground using Shallow Stabilization and Floating-Type Cement-Treated Columns
Ryohei ISHKURA, Hidetoshi OCHIAI, Kiyoshi OMINE, Noriyuki YASUFUKU, Hiroshi MATSUDA and Hidetake MATSUI
Journals of the Japan Society of Civil Engineers, Division C, Vol. 65 No. 3 pp.745-755, September 2009
.
129. Ahmad RIFA’I, Noriyuki YASUFUKU, Kiyoshi OMINE and Kazuyoshi TSUJI, Utilization of Coal Ash as Recycling Material Options in View Point of Geoenvironment, Proc. of the International Symposium on Geoenvironmental Engineering, pp.715-720, September 2009 , pp.715-720, September 2009



, 2009.09.
130. Basic Approach on the Technology to Adjust the Amount of Soil Moisture for Greening Dry Ground
Koji KAWANO, Noriyuki YASUFUKU,Yuji ISHIKAWA, Kiyoshi OMINE and Taizo KOBAYASHI
Proc. of the 8th Symposium on Geo-environmental Engineering, pp.235-240, July 2009
.
131. The Influence of Soil Water Condition for Growing Medicinal Plant ‘Kanzo (Glycyrrhiza Uralensis)’
Zentaro FURUKAWA, Noriyuki YASUFUKU, Kiyoshi OMINE and Taizo KOBAYASHI
Proc. of the 8th Symposium on Geo-environmental Engineering, pp.231-234, July 2009
.
132. Suman MANANDHAR, Noriyuki YASUFUKU and Kazutaka SHOMURA, Skin Friction of Taper-Shaped Piles in Sands, Proceedings of the 28th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2009, June 2009, CD-ROM, p.5, June 2009, 2009.06.
133. Satoshi OSHIGE, Noriyuki YASUFUKU and Kiyoshi OMINE, Development of a New Device for Measuring Contact Pressure Distribution of Geomaterials, Proc. of the 19th International Offshore and Polar Engineering Conference, CD-ROM, p.5, June 2009, 第29号, p.5, CD-ROM, p.5, June 2009, 2009.06.
134. Ryohei Ishikura, Hidetoshi OCHIAI, Kiyoshi OMINE and Noriyuki YASUFUKU and Hiroshi MATSUDA, Bearing Capacity of an Improved Ground Using Shallow Stabilization and Floating-Type Columns, Proc. of the International Symposium on Deep Mixing and Admixture Stabilization, CD-ROM, p.6, May 2009, pp.6, CD-ROM, p.6, May 2009, 2009.05.
135. Jun ZHANG and Noriyuki.YASUFUKU, Soil-Geogrid Interaction Behavior under Wet Condition, Geosynthetics Engineering Journal,Vo.23, December 2008., Vo.23, December 2008., 2008.12.
136. Awad ISLAM and Noroyuki YASUFUKU, Chemical Compounds Effect on Critical Shear Stress and Erodibility of Vocanic Ash Soils, Fourth International Conference on Scour and Erosion, CD-V, November 2008, CD-V, November 2008, 2008.11.
137. Jun ZHANG, Noriyuki YASUFUKU and Hidetoshi OCHIAI, Discrete Element Modelling of Geogrid Pullout Test
, Proc. of the 4th Asian Regional Conference on Geosynthetics, pp.11-14, June 2008, pp.11-14, June 2008, 2008.06.
138. Hidetoshi OCHIAI, Noriyuki YASUFUKU and Jun ZHANG , Confining Effect of Geogrid Reinforced Soils and its Application to the Design Methods

, Proc. of the 4th Asian Regional Conference on Geosynthetics, Keynote Invited Paper, pp.62-78, June 2008 , pp.62-78, June 2008, 2008.06.
139. Noriyuki YASUFUKU, Hidetoshi OCHIAI, Yoshito MAEDA and Susumu YASUDA, Pile Foundation Design for the New-Kitakyushu Airport Bridge

, Proc. of the Second BGA International Conference on Foundations, ICOF2008, Vol.1, pp.357-368, June 2008 , Vol.1, pp.357-368, June 2008, 2008.06.
140. Noriyuki YASUFUKU and Taizo KOBAYASHI, Skin Friction of Taper Typed Pile related to Soil Compressibility, Proceedings of the 13th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Kolkata, , Vol.1, Part 1, CD-Version, December 2007., 2007.12.
141. Islam AWAD, Noriyuki YASUFUKU and Hidetoshi OCHIAI, Erosion Rates of Soil Improved by Chemical Additives for Prediction against Overland Flow, Memoirs of the Faculty of Engineering, Kyushu University, , Vol.67, No.4, December 2007, 2007.12.
142. Improvement Properties of Strength in Short Fiber Mixture Stabilized Soil of Volcanic Cohesive Soil.
143. Jun ZHANG, Noriyuki YASUFUKU, Hidetoshi OCHIAI, A Few Considerations of Pullout Test Characteristics of Geogrid Reinforced Sand using DEM Analysis, Geosynthetics Engineering Journal, , Vol.22, pp.103-110, November 2007., 2007.11.
144. Noriyuki YASUFUKU, Hidetoshi OCHIAI, Kiyoshi OMINE, Taizo KOBAYASHI, Displacement and Failure Characteristics of Model Geogrid-reinforced Structure subjected to Impact Load, Proceedings of the 5th international Symposium on Earth Reinforcement, Fukuoka, , Vol.1, pp.875-879, November 2007., 2007.11.
145. Development of Geo-materials for Rooftop Gardening by using Heat Compressed Crushed Recycled EPS with Volcanic Ash Clayey Soils.
146. Education and Learning Improvement by Introduction of an Evaluation System to Graduation Research Work.
147. Hidetoshi OCHIAI, Noriyuki YASUFUKU, Yoshito MAEDA and Susumu YASUDA, Pile Foundation Design of Connecting Bridge for New-Kitakyushu Airport, International Workshop on Recent Advances of Deep Foundations, Port and Airport Research Institute and The Japanese Geotechnical Society, Vol.1, No.1, pp.349-354, February 2007, 2007.02.
148. Mitsuhiro SEZAKI, Ryosuke KITAMURA, Noriyuki YASUFUKU, Akihiro HIROOKA, Hidetoshi OCHIAI, Hiroshi YOKOTA, Shigeki SAWAYAMA, Hiromi IMANISHI and Kazuharu, Geodisasters in Kyushu Area Caused by Typhoon No.14 in September 2005., Soils and Foundations, Japanese Geotechnical Society,, Vol.46, No.6, pp.855-867, December 2006., 2006.12.
149. Hideo NAGASE, Kouki ZEN, Akihiko HIROOKA, Noriyuki YASUFUKU, Kiyonobu KASAMA, Taizo KOBAYASHI, Yoshito MAEDA, Kitoshi UNO, Kenji HASIMURA and Guangqi CHEN, Zoning for Liquefaction and Damage to Port and Harbor Facilities and Others During the 2005 Fukuoka-Ken Seiho-Oki Earthquake, Soils and Foundations, Japanese Geotechnical Society,, Vol.46, No.6, pp.805-816, December 2006..
150. Taizo KOBAYASHI, Kouki ZEN, Noriyuki YASUFUKU, Hideo NAGASE, Guangqi CHEN,, Damage to Residential Retaining Walls at the Genkai-Jima Island Induced by the 2005 Fukuoka-Ken Seiho-Oki Earthquake, Soils and Foundations, Japanese Geotechnical Society,, Vol. 46, No.6, pp.793-804, December 2006., 2006.12.
151. Reduction Effect of Vertical Earth Pressure by Using Heat Compressed Crushed Waste EPS over A Box Culvert
Noriyuki YASUFUKU, Hidetoshi OCHIAI, Kiyoshi OMINE and Taizo KOBAYASHI
Geosynthetics Engineering Journal,Vol.21, pp.131-138..
152. Islam Mamdouh AWAD, Noriyuki YASUFUKU and Hidetoshi OCHIAI, Development of New Erosion Control Apparstus for High Erodible Volcanic Ash Sandy Soil, Proceeding of the 4th Asian Joint Symposium on Geotechnical Geo-Environmental Engineering (JS-Dalian 2006), pp.415-418, November 2006, 2006.11.
153. Shear Strength and Collapse of Unsaturated Compacted Sandy Soil Subjected to Soaking and Drying
Yasuhiro NAKASHIMA, Hidetoshi OCHIAI and Noriyuki YASUFUKU
Proceedings of the Symposium on Slope Monitoring Technology and Real Time Failure Predictions due to Rainfall, pp.65-72, November 2006..
154. Noriyuki YASUFUKU, Hidetoshi OCHIAI, Kasahiro KANESHIGE and Takashi KANESHIGE, Confining Effect of Geogrid-Reinforced Soil Linked with Soil Dilatancy and its Application to Practical Design Method, Proceedings of the 8th International Conference on Geosynthetics (8ICG), Geosynthetics, Vol.4, pp.1303-1306, September 2006., 2006.09.
155. Noriyuki YASUFUKU, Hidetoshi OCHIAI and Kiyoshi OMINE, Sand-Steel Interface Friction Over a Wide Shear Deformation Concerning Soil Crushability, Proceedings of the International Symposium on Geomechanics and Geotechnics of Particulate Media, Hyodo, Murata and Nakata (eds), Vol.1, pp.355-361, September 2006, 2006.09.
156. Noriyuki YASUFUKU and Hidetoshi OCHIAI, Skin Friction of Non-Displacement Piles Related to Simple Shear Mode with Large Strain State Friction Angle, Soils and Foundations, Japanese Geotechnical Society,, Vol.46, No.4, pp.537-544, August, 2006., 2006.08.
157. Noriyuki YASUFUKU, Hidetoshi OCHIAI and Dolrerdee HORMDEE, A Semi-Empirical Relationship for Predicting Soil Collapsibility under Soaking, ASCE, Geotechnical Special Publication No.156, Geomechanics II –Testing, Modeling, and Simulation,., Vol.1, pp.1037-1048, April, 2006, 2006.04.
158. Noriyuki YASUFUKU, Hidetoshi OCHIAI and Dolrerdee HORMDEE, An Empirical Relationship for Predicting Collapsible Soil Collapsibility due to Soaking under Compression and Shear, ASCE, Geotechnical Special Publication No.147, Unsaturated Soils, Vol.1, pp.1037-1048, April, 2006., 2006.04.
159. Evaluation of Confining Effect in Geogrid Reinforced Soil Related to Dilatancy Characteristics and its Application
Noriyuki YASUFUKU, Hidetoshi OCHIAI, Masahiro KANESHIGE and Takashi KAWAMURA
Geosynthetics Engineering Journal, Vol.20, pp.279-286, December 2005..
160. Ability of Waste EPS Granular Materials with Volcanic Ash Clayey Soils Paying Attention to a Function of Green Roof Materials Requested
Noriyuki YASUFUKU, Hidetoshi OCHIAI, Kiyoshi OMINE, Taizo KOBAYASHI, Ko-ji NAGAYAMA
Proc. of Symposium on Utilization Technology of Artificial Geomaterials, JGS , pp.181-184, October 2005..
161. Utilization Technology of Artificial Geomaterials for Waste in Kyushu

Ken-ichi SATO, Noriyuki YASUFUKU, Yuji MAENO, Naoto UCHIDA, Junji KANEMARU and Daizaburo KOGA
Proc. of the Symposium on the Utilization Technology of Artificial Geo-Materials, pp.9-16, October 2005..
162. Noriyuki YASUFUKU, Hidetoshi OCHIAI, Kiyoshi OMINE, Undrained Strength and Deformation Modulus of Lightly Cemented Clay Related to the Mixing Quality, Proceedings of Symposium on Elastoplasticity for Professor K.Hashiguchi Retirement Anniversary, Proceedings of Symposium on Elastoplasticity for Professor K.Hashiguchi Retirement Anniversary, Kyushu University, Japan, pp.337-344, August 2005, 2005.08.
163. Noriyuki YASUFUKU and Hidetoshi OCHIAI, Sand-Steel Interface Friction related to Soil Crushability, ASCE, Geotechnical Special Publications No. 143, Geomechanics – Testing, Modeling and Simulation-, ASCE, Geotechnical Special Publications No. 143, Geomechanics – Testing, Modeling and Simulation-, pp.627-641, June 2005., 2005.06.
164. Noriyuki YASUFUKU, Hidetoshi OCHIAI, Dolrerdee HORMDEE, An Empirical Relationship for Evaluating Collapsible Settlements of Volcanic Ash Sandy Soil, International Symposium on Advanced Experimental Unsaturated soil Mechanics,, International Symposium on Advanced Experimental Unsaturated soil Mechanics, Vol.1, pp.265-272. June 2005, 2005.06.
165. Dolrerdee HORMDEE, Hidetoshi OCHIAI, Noriyuki YASUFUKU, Direct Shear and Compression Behaviors for an Unsaturated Compacted Soil with Water Content and Matric Suction Measurement, International Symposium on Advanced Experimental Unsaturated Soil Mechanics,, International Symposium on Advanced Experimental Unsaturated
Soil Mechanics, Vol.1, pp.177-184. June 2005, 2005.06.
166. Reduction Effect of Vertical Earth Pressure by Installing Heat Compressed Crushed Waste EPS above a Box Culvert

Noriyuki YASUFUKU, Hidetoshi OCHIAI, Kiyoshi OMINE, Ko-suke NAKAMURA

Proceedings of 6th Geo-environmental Engineering Symposium, pp.15-20, May 2005..
167. Dolrerdee HORMDEE, Hidetoshi OCHIAI, Noriyuki YASUFUKU, Advanced Direct Shear Testing for Collapsible Soils with Water Content and Matric Suction Measurement, Proceedings of the Geo-Frontier Conference, January, 2005, Vol.1, No.1., 2005.01.
168. Investigation, Design and Construction of the Connecting Bridge for New Kitakyushu Airport

Hidetoshi OCHIAI and Noriyuki YASUFUKU

Invited paper of the 9th Symposum on New materials, Constrution Method and Machine, JSCE, Technical Committee of Construction Technology, pp.1-18, December, 2004.
169. Earthquake-resistant Design for Bridge Pier with Steel Pipe Pile Foundation behind Shore Protection Works

Hidetoshi OCHIAI, Noriyuki YASUFUKU, Susumu YASUDA, Yoshito MAEDA, Tsuneo FUJIWARA, Yutaka TANOUE, Yasuo SHIRAI and Toyoki TANAKA

Proc. of the Symposium on Pile Behaviour under Liquefied Ground and its Design Method, pp.315-320, December, 2004.
170. Confining Effect in Geogrid-Reinforced Soil on Consideration of Dilatancy Characteristics

MasahiroKANESHIGE, Hidetoshi OCHIAI, Noriyuki YASUFUKU andTakashi KAWAMURA

Geosynthetics Engineering Journal, No.19, pp.217-224, December 2004.
171. Dolrerdee HORMDEE, Hidetoshi OCHIAI, Noriyuki YASUFUKU, Influence of Stress History and Soaking Pressure on Collapsibility of Shirasu Soil, Proceedings of the 15th Southeast Asian Geotechnical Conference, Vol.1, pp. 31-36, November 2004, 2004.11.
172. Vertical Bearing Capacity of Taper Typed Pile related to Soil Compressibility

Noriyuki YASUFUKU, Hidetoshi OCHIAI, Kiyoshi OMINE, and Sonosuke BABASAKI

Proc. of 49th Geotechnical Engineering Symposium, pp.283-290, November 2004.
173. Dolrerdee HORMDEE, Hidetoshi OCHIAI, Noriyuki YASUFUKU, Influence of Collapse Potential on Disturbed Sandy Soils, Proceedings of the 3rd International Conference on Continental Earthquakes (III ICCE), 2004.07.
174. Control of Stability of Filling on Soft Ground under Vacuum Consolidation based on Estimation by FEM Analysis

Kouki MATSUMOTO, Hidetoshi OCHIAI and Noriyuki YASUFUKU

Journal of Geotechnical Engineering,JSCE, No.750,III-65, pp.77-88, December 2003.
175. Confining Effect in Geogrid-Reinforced Soil under Two-Dimensional Compressive Condition

Masahiro KANESHIGE, Hidetoshi OCHIAI, Noriyuki YASUFUKU and Takao KAWAMURA

Geosynthetics Engineering Journal, Vol.18, pp.161-166, December 2003.
176. Satoshi SUGIMOTO, Hidetoshi OCHIAI and Noriyuki YASUFUKU, Examination of Extended Plastic Zone in the Ground with the Deformation of Cylindrical Cavity, Proc. of the Sino-Japanese Symposium on Geotechnical Engineering, Vol.1, pp.235-240, 2003.10.
177. Hidetoshi OCHIAI and Noriyuki YASUFUKU, Investigation, Design and Construction of the Connecting Bridge for New Kitakyushu Airport, Proc. of 9th China National Conference on Soil Mechanics and Geotechnical Engineering, Vol.1, pp.214-227, 2003.10.
178. Yoshito MAEDA, Hidetoshi OCHIAI, Noriyuki YASUFUKU and Yasuyuki YOKOTA, Bearing Capacity of Shallow Foundations Considering Inclinations of Load and Bearing Stratum, Proc. of International Conference on Foundations, BGA, Vol.1, pp.569-579, 2003.09.
179. Noriyuki YASUFUKU, Hidetoshi OCHIAI and Yoshito MAEDA, Skin Friction of Driven Piles in Pleistocene Laminated Ground, Proc. of 12th Asian Regional Conf. on Soil Mechanics and Geotechnical Engineering, ISSMGE, 677-680, Vol.1, pp.677-680, 2003.08.
180. Internal Friction of Sand Steel Surface up to an Interfacial Critical State

Noriyuki YASUFUKU, Hidetoshi OCHIAI and Takahiro KAKU

Journal of Applied Mechanics, JSCE, Vol.6, pp.563-571, August 2003.
181. Noriyuki YASUFUKU, Sarah M.SPRINGMAN, Lukas U. ARENSON and Tom RAMHOLT, Stress-Dilatancy Behaviour of Frozen Sand in Direct Shear, Proc. of 8th Int. Conf. on Permafrost, M. Phillips et al. (eds), Zurich, Vol. 2, pp. 1253-1258, July 2003, 2003.07.
182. Decrease in Vertical Earth Pressure related to Compressibility of Waste EPS Recycled Materials

Masami SANADA, Hidetoshi OCHIAI, Noriyuki YASUFUKU and Shoutaro YAMADA

Proc. of 5th Geo-environmental Engineering Symposium, JGS, No.129, pp.207-212, July 2003.
183. A Study on Heavy Metal Behavior by Water Circulation at the Land filled Solid Waste

Naoko URYO, Hidetoshi OCHIAI, Noriyuki YASUFUKU, Kiyoshi OMINE, Shoutaro YAMADA and Kei NAKAGAWA

Proc. of 5th Geo-environmental Engineering Symposium, JGS, No.129, pp.17-22, July 2003.
184. Bearing Capacity of Cement-Improved Ground using Loading Model Apparatus of Horizontal Stress Type

H.Tokunaga, H.Ochiai, N.Yasufuku and K Omine

Proc. of 5th Soil Improvement Symposium, pp.31-34, 2002.
185. N. Yasufuku, H. Ochiai, K. Omine, Y. Ninomiya and T. Kawamura, Evaluation of Confining Effect in Geogrid-Reinforced Retaining Wall related to the Practical Application, Proc. of 7th International Conference on Geosynthetics, Vol.4, pp.1289-1294, 2002.09.
186. K. Omine , H. Ochiai and N. Yasufuku, Development of Baking Solidification Material for Reuse of MSW Incineration Bottom Ash, Proc. of the International Symposium on Lowland Technology, Vol.1, pp.155-160, 2002.09.
187. Evaluation of Deformation-Strength Propewrties of Cement-Stabilized Soils by Falling Weight Deformation Measurement Apparatus

H. Sakka, H.Ochiai, N.Yasufuku and K.Omine

Journal of JSCE, No.701, III-58, pp.283-292, March 2002.
188. Quality Assessment related to Strength Property of Cement Treated Dredging

Y. Tang, Y.MIyazaki, H.Ochiai, N.Yasufuku and K.Omine

Technology Reports of Kyushu University, Vol.75, No.1, January 2002.
189. Pull-out Capacity and Bulb Form Characteristics of Repeated Grouting Type Ground Anchor and its Practical Application

H.Wada, H.Ochiai, Y.Maeda and N.Yasufuku

Journal of JSCE, No.694, III-57, pp.51-66, December 2001.
190. Evaluation of Confining Effect in Geosynthetics-Reinforced Soil

Y.Ninomiya, H.Ochiai, N.yasufuku and T.Kawamura

Geosynthetics Engineering Journal, Vol.16, pp.83-90, December 2003.
191. N. Yasufuku, H. Ochiai, Y. Ninomiya, K. Omine, M. Nakashima and T. Kawamura, Evaluation of Confining Effect in Geogrid-Reinforced Retaining Wall based on Two Dimensional Model Test, Proc. of the International Symposium on Earth Reinforcement, Landmarks in Earth Reinforcement, Ochiai, Otani, Yasufuku & Omine (eds),, 501-506, Vol.1, pp.501-506, November 2001, 2001.11.
192. S. Sugimoto, H. Ochiai, N. Yasufuku and K. Omine, Influence of Neighboring Construction of Shield Tunnel on the Existing Structure by Two-Dimensional Model Test,, Proc. of the International Symposium on Modern Tunneling Science and Technology, 781-786, Vol.1, pp.781-786, October 2001, 2001.10.
193. N.Yasufuku, H.Ochiai, K.Omine and N.Iwamoto, Strength and Deformation Characteristics of Artificially Cemented Clay with Dispersion due to the Mixing Quality, Advanced Laboratory Stress-Strain Testing of Geomaterials, Tastuoka, Shibuya & Kuwano(eds), pp.323-328, August 2001, 2001.08.
194. N.Yasufuku, H.Ochiai and S.Ohno, Pile End-Bearing Capacity of Sand related to Soil Compressibility, Soils and Foundations,, Vol.41, No.4, pp.59-71, August 2001.
195. Development of composite geomaterials using waste materials and its application

K.Omine, H.Ochiai and N.yasufuku

Proc. of 4th Geo-Envuronmental Symposium, JGS, Vol.1, pp.67-72, May 2001.
196. N. Yasufuku, S.M. Springman, K. Omine and H. Ochiai, Stress-Strain Relationship of Frozen Sand as a Composite Geomaterial, Soils & Foundations, 41, 3, 17-30, Vol.41, No.3, pp.17-30, June 2001, 2001.06.
197. Strength Characteristics of Cement Treated Soils and Environmental Impacts on Surrounding Water due to Underwater Casting

Y.Miyazaki, Y.Tang, H.Ochiai, N.Yasufuku and K.Omine

Technology Reports on Kyushu University, Vol.74, No.2, March 2001.
198. Pile End Bearing Capacity of Sandy Ground with Consideration of Soil Compressibility

N.Yasufuku, H.Ochiai and S.Ohno

TUCHI TO KISO, JGS, Vol.49, No.3, pp.12-15, March 2001.
199. Model Test for Neifhboring Construction of Shield Tunnel on the Exsisting Underground Structure

S.Sugimoto, H.Ochiai, N.Yasufuku and K.Omine

Proc. of Tunnel Symposium in Kyushu, Vol.1, pp.137-142, January 2001.
200. A Correlation among Unconfined Compressive Strength, Cement Content and Water Content for Cement Treated Dredgings

Y.Miyazaki, Y.Tang, H.Ochiai, N.Yasufuku and K.Omine

Technology Reports of Kyushu University, Vol.74, No.1, January 2001.
201. Strength and deformation characteristics of artificial cemented clay as an equivalent overconsolidated soil

N. Yasufuku, H.Ochiai and K.Kasama

Proc. of the Symposium on Mechanics of Overconsolidated Soils and Ground, Vol.1, pp.19-24, December 2000.
202. Constitutive Models for Light-Weight Geomaterials as Overconsolidated Soils (Part 2)

E. Ogisako, N. Yasufuku, K.Kasama and H.Yoshino

Proc. of the Symposium on Mechanics of Overconsolidated Soils and Ground, Vol.1, pp.7-12, December 2000.
203. N. Yasufuku, H. Ochiai. K. Omine, D. Suestugu, Geotechnical Utilization of Sand with Waste Expanded Polystyrene, International Conference on Geotechnical & Geological Engineering, GeoEng 2000, CD-Version, November 2000, 2000.11.
204. K. Kasama, H. Ochiai, N. Yasufuku, On the Stress-Strain Behaviour of Lightly Cemented Clay based on an Extended Critical State Concept, Soils and Foundations,, Vol.40, No.5, pp.37-47, October, 2000, 2000.10.
205. T. Kawamura, T. Umezaki, H. Ochiai, N. Yasufuku, T. Hirai, Confining Effect of Geogrid-Reinforced Soil : Introduction into Design Method, 2 nd European Geosymthetics Conference, EuroGeo 2, pp.185-190 , October, 2000, 2000.10.
206. N.Yasufuku & J.M.Kwag, Significance of soil particle fragmentation strength related to soil crushability, Proc. of 11th Asian Regional. Conference, on SMGE,, 149-152, Vol.1, pp.149-152, August, 1999, 1999.08.
207. N. Yasufuku & S. M. Springman, Stress-strain relationship of frozen sand at small strain as a composite geomaterial, IGT report,, Bericht Nr. I 463, Zurich, February 1999, 1999.02.
208. S. Ono, H. Ochiai, N. Yasufuku, T. Shimizu, S. Sawada, Geotechnical Considerations of Skin Friction of Piles in Sands, Proc.of 13 th Southeast Asian Geotechnical Conference,, pp. 539-544, November 1998, 1998.11.
209. K. Kasama, H. Ochiai, N. Yasufuku, A Constitutive Model of Cemented Geomaterials Based on Critical State Concept, Proc.of 13 th Southeast Asian Geotechnical Conference,, pp. 539-544, November 1998, 1998.11.
210. J. M.Kwag. H. Ochiai, N. Yasufuku, S. Ono, M. Nakashima, An Angle of Repose of Weak Sands and Its Evaluation, Proc.of 13 th Southeast Asian Geotechnical Conference,, pp. 93-98, November 1998, 1998.11.
211. H. Sakka, H. Ochiai, N. Yasufuku, K. Omine, M. Nakashima, A Nondestructive Testing for Evaluation the Improvement Effect of Cement-Stabilized Soils, Proc. of International Symposium on Lowland Technology, pp. 167-174, November 1998, 1998.11.
212. Measurement of Deformation Modulus and Prediction Method on Strength of Cement-Stabilized Soils by Nondestuctive Testing

H.Sakka, H.Ochiai, N.Yasufuku and K.Omine

Proc. of 3rd Symposium on Soil Improvement, Vol.1, pp.97-102, November 1998..
213. N. Yasufuku, H. Ochiai, J. Kwag, K.Miyazaki, Effectiveness of Critical State Friction Angle of Volcanic Ash Soils in Design Applications, Proc. of Int. Symp. Problematic Soils,, 189-193, Vol. 1, pp.189-193, October, 1998, 1998.10.
214. K. Omine, H. Ochiai. N. Yasufuku, N. Hayashi, Evaluation of The Size Effect on the strength of Cement-Treated Soils, Proc. of 2 nd Int. Symp. on Geotechnical Engineering of Hard Soils-Soft Rocks, 751-760, Vol. 2, pp. 751-760, October, 1998, 1998.10.
215. K. Kasama, H. Ochiai, N. Yasufuku, Prediction of Strength and Deformation of Cemented Geomaterials, Proc. of 2 nd Int. Symp. on Geotechnical Engineering of Hard Soils-Soft Rocks, 579-585, Vol. 1, pp. 189-193, October, 1998, 1998.10.
216. Y.Nakata, H.Murata, M.Hyodo & N.Yasufuku, Flow Deformation of Sands Subjected to Principal Stress Rotation, Soils and Foundations,, Vol.38, No.2, pp.115-128, June 1998, 1998.06.
217. Pull-out Capacity of Repeated Grouting Type Ground Anchor

H.Wada, T.Sueyoshi, H.Ochiai and N.Yasufuku

Proc. of the Symposium on Design and Construction of Ground Anchor, Vol.1, pp.75-82, June 1998.
218. N. Yasufuku, H. Ochiai, K, Kawamata, Supporting Capability of Geogrid Reinforced Soil Foundations, Proc.of 6 th Int. Conf. on Geosynthetics,, Vol. 2, pp. 905-910, March, 1998, 1998.03.
219. H. Ochiai, N. Yasufuku, T. Kawamura, T.Yamaji, T. Hirai, Effect of End-Restraint in Geogrid-Soil Structures, Proc.of 6 th Int. Conf. on Geosynthetics, Vol. 2, pp. 545-550, March, 1998, 1998.03.
220. N. Yasufuku, H. Ochiai, K. Kasama, The Dissipated Energy Equation of Lightly Cemented Clay in Relation to the Critical State Model, Proc. 9 th Int. Conf. of the International Association for Computer Methods and Advances inGeomechanics, 917-922, Vol. 2, pp. 917-922, November, 1997, 1997.11.
221. K. Kasama, H. Ochiai, N. Yasufuku, Experimental and Theoretical Study on Mechanical Properties of Lightly Cemented Clay, Proc. of Japan-China Joint Symposium on Recent Developments of Theory and Practice in Geotechnology,, pp. 81-86, October, 1997, 1997.10.
222. N. Yasufuku, H. Ochiai, Y. Maeda, Geotechnical Analysis of Skin Friction of Cast-In-Place Piles, Proc. 14 th Int. Conf. on Soil Mechanics and Foundation Engineering,, 921-924, Vol. 2, pp.921-924, September, 1997, 1997.09.
223. H. Ochiai, N. Yasufuku, T. Yamaji, G.L. Xu, T. Hirai, Experimental Evaluation of Reinforcement in Geogrid-Soil Structure, Proc. of the Int. Sympo. on Earth Reinforcement,, 249-254, pp.249-254, Nov. 1996, 1996.11.
224. N, Yasufuku, H. Ochiai, A.F.L. Hyde, An Experimental End Bearing Capacity Factor for Piles Related to Soil Compressibility, Proc. of the 12 th Southeast Asian Geotechnical Conf.,, pp. 459-464, May, 1996, 1996.05.
225. N Yasufuku, A.F.L. Hyde, Pile end-bearing capacity in crushable sands, Geotechnique 45, 45, 4, 663-676, No. 4, pp. 663-676 Dec. 1995, 1995.12.
226. N. Yasufuku, Y. Nakata, H. Murata, Flow Deformation of Sand Under σ1-Axis Rotation, Proc. 10 th Asian Reg. Conf. on Soil Mechanics and Foundation Engineering, Vol.1, pp.115-118,Aug.1995, 1995.08.
227. N.Yasufuku., Discussion: The dissipated energy equation in relation to the critical state modelt, Proc. Int. Symp. on Pre-Failure Deformation Characteristics of Geomaterials,, Vol.2, pp. 1223-1224, 1994.09.
228. N. Yasufuku, Y. Nakata, M. Hyodo, H, Murata, A. Nishikawa, An Isotropics Hardening Model for Sand Considering the Bonding Effects, Proc. Int. Symp. on Pre-Failure Deformation Characteristics of Geomaterials, Vol.1, pp. 445-450, Sep. 1994, 1994.09.
229. A.F.L. Hyde, N. Yasufuku, M. Hyodo, Effect of Relative Density Crushability of Sands on Pile End Bearing Characteristics, Proc. Int. Symp. on Pre-Failure Deformation Characteristics of Geomaterials, Vol.1, pp. 265-270, Sep. 1994, 1994.09.
230. N. Yasufuku, M. Sugiyama, M. Hyodo and H. Murata, Extended Critical State Model for Cohesive Clay with Initial Induced Anisotropy, Technology Reports of the Yamaguchi University,, Vol.5, No.2, 11-21, 1993.12..
231. N. Yasufuku, Y. Nakata, M. Hyodo and H. Murata, Two Surface Model for Soils with Induced Anisotropy, Proc. of Aisa-Pacific Symposium on Advances in Engineering Plasticity and its Applications,, Vol.1, 315-322, 1992.12., 1992.12.
232. N. Yasufuku, H. Murata, M. Hyodo, M. Nishikawa and K. Tanaka, End Bearing Capacity of Piles in Highly Compressible Sands, 2nd International Conference on DEEP FOUNDATION PRACTICE incoorporating PILETALK 1992, 258-262, 1992.11., 1992.11.
233. N. Yasufuku, H. Murata, M. Hyodo and A.F.L.Hyde, A Stress-strain Relationship for Anisotropically Consolidated Sand over a Wide Stress Region, Soils and Foundations, Vol.31, No.4, 75-92, 1991.12., 1991.12.
234. N. Yasufuku, H. Murata, A.F.L. Hyde and C.R. Golightly, Stress-strain Behaviour of Carbonate Sand, Proceeding of 9th Asian Regional Conference on Soil Mechanics and Foundation Engineering,, Vol.1, 111-114, 1991.12., 1991.12.
235. N. Yasufuku and H. Ochiai, Anisotropic Hardening Model for Sandy Soils over a Wide Stress Region, Memoirs of the Faculty of Engineering,Kyushu University,, Vol.51, No.2, 81-118, 1991.7..
236. N. Yasufuku, H. Murata and M. Hyodo, Yield Characteristics of Anisotropically Consolidated Sand under Low and High Stress, Soils and Foundations,, Vol.31, No.1, 95-109, 1991.3., 1991.03.
237. H. Murata, M. Hyodo and N. Yasufuku, Prediction of Mechanical Behaviour of Undisturbed "Masado", Residual Soils in Japan, Japanese Society of Soil Mechanics and Foundation Engineering,, 111-118, 1990.5., 1990.05.
238. H. Murata, A.F.L. Hyde, M. Hyodo, N. Yasufuku and C.R. Golightly, Evaluation of Stress-Strain Behaviour of Carbonate Sand Using Simplified Isotropic Hardening Model, Proc. of the 3rd Int. Conf. on Numerical Methods in Engineering,, Vol.2, 862-869, 1990.1., 1990.01.
239. H. Murata, M. Miura, M. Hyodo and N. Yasufuku, Experimental Study on Yielding of Sand, Report of ISSMFE Technical Committee on Mechanics of Granular Materials, XII ICSMFE, Vol.1, 173-178, 1989.8..
240. H. Murata, M. Hyodo and N. Yasufuku, Prediction of Stress-Strain Behaviour of Undisturbed "Masado", Technology Reports of the Yamaguchi University, Vol.5, No.1, 161-170, 1988.12., 1988.12.
241. N. Yasufuku, H. Murata and M. Hyodo, Application of Elasto-Plastic Constitutive Model to Undisturbed Soil 'Masado', Proc. of Int. Conf. on Engineering Problems of Regional Soils, Vol.1, 759-764, 1988.8., Vol.1, 759-764, 1988.8., 1988.08.
242. H. Murata and N. Yasufuku, Elasto-plastic anisotropic hardening model for sand in a wide stress region, Proc. of 6th Int. Conf. on Numerical Methods in Geomechanics, Vol.1, 435-440, 1988.4., Vol.1, 435-440, 1988.4., 1988.04.
243. H. Murata and N. Yasufuku, Mechanical Properties of Undisturbed Decomposed Granite Soils, Proc. of 8th Asian Regional Conference on Soil Mechanics and Foundation Engineering,Vol.1, 193-196, 1987.7., Vol.1, 193-196, 1987.7., 1987.07.
244. H. Murata, M. Hyodo and N. Yasufuku, Elasto-Plastic Constitutive Model for Sand in Wide Stress Region, Proc. of 2nd Int. Conf. on Constitutive Laws for Engineering Materials, Vol.1, pp.421-428, 1987.1., Vol.1, pp.421-428, 1987.1., 1987.01.
245. H. Murata, N. Yasufuku and H. Okafuji, Elasto-Plastic Constitutive Models for Stress-Strain Behaviour of Sand, Technology Reports of the Yamaguchi University, Vol.3, No.4, 1985.12., 1985.12.
246. N. Miura, H. Murata and N. Yasufuku, Stress-Strain Prediction by a Revised Model of Cam-Clay, Proc. of Discussion Session 1A of 11th Int. Conf. on Soil Mechanics and Foundation Engineering, pp.144-147, 1985.8., pp.144-147, 1985.8., 1985.08.
247. N. Miura, H. Murata and N. Yasufuku, Stress-Strain Characteristics of Sand in a Particle-Crushing Region, Soils and Foundations, Vol.24, No.1, pp.77-89, 1984.3., Vol.24, No.1, pp.77-89, 1984.3., 1984.03.
248. N. Miura, N. Yasufuku and T.Yamamoto, Yield Characteristics of Sand under Triaxial Compression and Extension Stresses, Technology Reports of the Yamaguchi University, Vol.3, No.1, pp.33-45, 1982.12., Vol.3, No.1, pp.33-45, 1982.12., 1982.12.
249. N. Miura and N. Yasufuku, Particle-Crushing Phenomenon of Granular Materials under Triaxial Stresses, Proc. of International Symposium on Powder Technology, Vol.1, pp.396-403, 1981.10., Vol.1, pp.396-403, 1981.10., 1981.10.
Presentations
1. 安福 規之, Geo-disasters in Northern Kyushu Kyushu Area, Japan caused by extreme heavy rainfall in July 2017, 7th Japan-China Joint symposium in Hainan, 2018.03, 平成29年7月九州北部の豪雨災害に関する調査分析結果を紹介し、得られた教訓と今後の留意点を紹介した.
2. 安福 規之, A new technology for improving deep soft soil ground by floating type mixing wall and its application in Japan, 6th Khon Kaen University International Engineering Conference 2016 (KKU‐IENC2016),, 2016.08.
3. 安福 規之, 石蔵良平, 谷山 充, Compaction quality on the embankment slope and its evaluation method, 第15回アジア地域国際地盤工学会, 2015.11.
4. 安福 規之, Report on geodisasters in Northern Kyushu Area caused by heavy rainfall in July 2012, Taiwan Geotechnical Society, 2012.11.
5. 安福 規之, A Geotechnical Challenge for Combating Desertification -Application of Self-Watering System in Unsaturated Arid Ground-
, 地盤工学会, 2012.11.
6. 安福 規之, Field Investigations of Soil Conditions at Habitat of Medical Plant “Licorice” in Mongolia

, Institute of Botany, Mongolian Academy of Sciences, 2012.09.
7. JS-Fukuoka 2009, International Joint Symposium on Geodisaster Prevention and Geoenvironment in Asia.
8. Reduction Effect of Vertical Earth Pressure by Using Heat Compressed Crushed Waste EPS over A Box Culvert.
Membership in Academic Society
  • Japan Society of Civil Engineer
  • Japan Society for Natural Disaster Science
  • The Japanese Association for Arid Land Studies
  • Japanese Society for Engineering Education
  • Japanese Society of Revegetation Technology
  • The Japan Society of Waste Management Experts
  • International Geosynthetics Society
  • International Society of Soil Mechanics and Geotechnical Engineering
  • Japanese Geotechnical Society
  • Japan Society of Civil Engineer
Awards
  • ”An estimation method for predicting final consolidation settlement of ground improved by floating soil cement columns”
  • Award for long term contribution of geotechnical enginering field
  • Evaluation of confining effect in geogrid reinforced soil related to dilatancy characteristics and its application
  • Study on elasto-plastic constituted model of sand over a wide stress region
Educational
Educational Activities
In 2016(Academic year)
1) 2nd Year class: Class of Geo-mechnics 1
2) Introduction of Global earth environment engineering (Part)
3) Master course : Class of Analytical methods in Geo-mechnics
4) International environmment doctor course for foreign students : Introduction of Soil Mechnanics
5) 2nd Year class of G30 program:Soil Mechanics II
6) Leading and support of Bachelor, Master and Doctor course students for doing research work and writting the thesis

In 2015
1)2nd Year class: Class of Geo-mechnics 1
2)Introduction of Global earth environment engineering (Part)
4)Master course : Class of Analytical methods in Geo-mechnics
5)International environmment doctor course for foreign students : Introduction of Soil Mechnanics
6)1st Year class of G30 program:Class of Introduction of Earth reinforcement
7)Leading and support of Bachelor, Master and Doctor course students for writting the thesis