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Full name :Hirofumi Toyota
Date of birth : 10th July 1967
Present status and adress :
Associate Professor
Geotechnical Engineering Laboratory
Department of Civil and Environmental Engineering
Nagaoka University of Technology
E-mail : toyota@vos.nagaokaut.ac.jp
Degree : Doctor of Engineering (Given by Faculty of Engineering, University of Tokyo, March 1995)
Title : Shaking Table Tests and Analytical Prediction on Lateral Flow of Liquefied Ground (in Japanese)
Academic career :
1995 : Research Associate, Nagaoka University of Technology
1997 : Assistant Professor, Nagaoka University of Technology
1999 : Associate Professor, Nagaoka University of Technology

Papers

  1. Kazama, M., Toyota, H., Towhata, I. and Yanagisawa, E. : Stress Strain Relationship of Sandy Soils Obtained from Centrifuge Shaking Table Tests, Journal of Geotechnical Engineering (JSCE), No. 535/III-34, pp. 73-82C1996. (in Japanese)
  2. Zhu, Q., Toyota, H. and Ogawa, S. : Effects of Cooling Rate on Froast Action, Journal of Geotechnical Engineering (JSCE), No. 589/III-42, pp. 349-357, 1998. (in Japanese)
  3. Toyota, H. and Takagai, M. : Dynamic Behavior of 3-Hinge Arch in Terre Armee Foundation, Journal of Geotechnical Engineering (JSCE), No. 624/III-47, pp. 255-266, 1999. (in Japanese)
  4. Toyota, H. and Ito, T. : Effects of Shaking Conditions and Material Properties on Dynamic Behavior of Teree Armee Foundation and 3-Hinge Arch, Journal of Geotechnical Engineering (JSCE), No. 666/III-53, pp. 279-289, 2000. (in Japanese)
  5. Toyota, H. and Towhata, I. : Post-Liquefaction Ground Flow in Shaking Table Tests, 5th U.S.-Japan Workshop on Earthquake Resistant Design of Lifeline Facilities and Countermeasures against Liquefaction, pp. 315-330, 1994.
  6. Towhata, I., Toyota, H. and Vargas, W. : Dynamics in Lateral Flow of Liquefied Ground, 10th Asian Regional Conference on Soil Mechanics and Foundation Engineering, Vol. 1, pp. 497-500, 1995.
  7. Toyota, H., Towhata, I. and Ghalandarzadeh, A. : Lateral Flow of Liquefied Ground - Model Tests and Prediction, First International Conference on Earthquake Geotechnical Engineering, pp. 875-880, 1995.
  8. Towhata, I., Orense, R. P. and Toyota, H. : Mathematical Principles in Prediction of Lateral Ground Displacement Induced by Seismic Liquefaction, Soils and Foundations, Vol. 39, No. 2, pp. 1-19, 1999.
  9. Toyota, H., Sakai, N. and Nishimura, T. : Effects of Stress History Due to Unsaturation and Drainage Condition on Shear Properties of Unsaturated Cohesive Soil, Soils and Foundations, Vol. 41, No. 1, pp. 13-24, 2001.
  10. Toyota, H., Sakai, N. and Nakamura, K. : Mechanical Properties of Saturated Cohesive Soil with Shear History Under Three Dimensional Stress Conditions, Soils and Foundations, Vol. 41, No. 6, pp. 97-110, 2001.
  11. Yamaguchi, A., Kazama, M., Toyota, H., Kitazume, M. and Sugano, T. : Effects of the Stiffness of Soft Clay Layer on Strong Motion Response, Soils and Foundations, Vol. 42, No. 1, pp. 17-33, 2002.
  12. Sramoon, W., Shibuya, S. and Toyota, H. : Shear Modulus Characterization of Bangkok Clay by In-Situ Tests and Borehole Data, Geotechnical Engineering, Southeast Asian Geotechnical Society, Vol. 33, No. 1, pp. 29-40, 2002.
  13. Toyota, H., Nakamura, K. and Sakai, N. : Application of the Elastic Boundary Induced by Shear History on Saturated Cohesive Soil, Soils and Foundations, Vol. 43, No. 1, pp. 93-100, 2003.
  14. Toyota, H., Sakai, N. and Nakamura, K. : Mechanical Properties of Saturated Cohesive Soils with Shear History under Three-Dimensional Stress Conditions (closure), Soils and Foundations, Vol. 43, No. 1, pp. 111-112, 2003.
  15. Toyota, H., Nakamura, K., Sakai, N. and Sramoon, W. : Mechanical Properties of Unsaturated Cohesive Soil in Consideration of Tensile Stress, Soils and Foundations, Vol. 43, No. 2, pp. 115-122, 2003.
  16. Kazama, M., Sento, N., Omura, H., Toyota, H. and Kitazume, M. : Liquefaction and Settlement of Reclaimed Ground with Gravelly Decomposed Granite Soil, Soils and Foundations, Vol. 43, No. 3, pp. 57-72, 2003.
  17. Toyota, H., Nakamura, K. and Kazama, M. : Shear and Liquefaction Characteristics of Sandy Soils in Triaxial Tests, Soils and Foundations, Vol. 44, No. 2, pp. 117-126, 2004.
  18. Sakai, N., Toyota, H., Nakamura, K. and Sugimoto, M. : Verification of Residual State and Determination of Residual Strength in Ring Shear Tests, Journal of Geotechnical Engineering (JSCE), No. 743 / III-64, pp. 223-228, 2003. (in Japanese)
  19. Sramoon, W., Toyota, H., Nakamura, K. and Shibuya, S. : Factors Affecting the Small Strain Stiffness of Unsaturated Soil, 48th JGS Symposium, pp. 93-100, 2003.
  20. Nakamura, K., Toyota. H., Sakai, N. and Shimauchi, T. : Experimental Study on Mechanism of Shear Failure in Borehole Torsional Shear Test, Journal of Geotechnical Engineering (JSCE), No. 764 / III-67, pp. 373-378, 2004. (in Japanese)

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