| TECHNICAL PAPERS | 
 
 
 | Field Investigation and Laboratory Soil Tests on Heterogeneous 
 Nature of Alluvial Deposits |  
 
 
  
 | Tamio Masuda, Susumu Yasuda, Nozomu Yoshida and 
 Masayuki Sato |  
 ... 1 |  
 
 
  
 Influence of Stress Release on Sample Quality of Pleistocene 
 Clay Collected from Large Depth  
 in Osaka Bay |  
 
 
  
 | Yoichi Watabe and Takashi Tsuchida |  
 ...17 |  
 
 
  
 |  
  
 Geotechnical Aspects of Damage in Adapazari City during 1999 
 Kocaeli, Turkey Earthquake |  
 
 
 |  Nozomu Yoshida, Kohji Tokimatsu, Susumu Yasuda, Takeji Kokusho 
 and Takashi Okimura |  
 ...25 |  
 
 
  
 |  
 
 Simplified Model for Seismic Pile Bending at Soil Layer Interfaces |  
 
 
  
 |  G. Mylonakis |  
 ...47 |  
 
 
  
 |  
 
 Pile End-Bearing Capacity of Sand Related to Soil Compressibility |  
 
 
  
 |  Noriyuki Yasufuku, Hidetoshi Ochiai and Shiro Ohno |  
 ...59 |  
 
 
  
 |  
 
 A Soil-Water Coupled Analysis on the Effect of Improvement of a 
 Loose Sandy Ground by Cylindrical Cavity Expansion (Domestic 
 Edition only) |  
 
 
  
 |  Toshihiro Noda, Masaki Nakano, Kazunori Mizuno and 
 Hidekatsu Takeuchi |  
 ...113 |  
 
 
  
 | TECHNICAL REPORT |  
 
 
  
 | Comparison of Mechanical Behavior of Two Overconsolidated 
 Clays: Yamashita and Louiseville Clays |  
 
 
  
 | Hiroyuki Tanaka, D. R. Shiwakoti, Osamu Mishima, 
 Yoichi Watabe and Masanori Tanaka |  
 ...73 |  
 
 
  
 | TECHNICAL NOTES |  
 
 
  
 | On the Thermomechanical Approach to the Formulation of Plastic 
 Constitutive Equations |  
 
 
  
 | Koichi Hashiguchi  |  
 ...89 |  
 
 
  
 | Estimating Undrained Shear Strength of Soft Clay Ground Improved 
 by Pre-Loading with PVD -Case History in Bangkok- |  
 
 
  
 | Satoru Shibuya and L. T. Hanh |  
 ...95 |  
 
 
 
 
  
 | DISCUSSIONS |  
 
 
  
 | Non-Linear Soil Model with Various Strain Levels and Its 
 Application to Axisymmetric Excavation Problem (closure) |  
 
 
  
 |  Satoshi Goto, J. B. Burland and Fumio Tatsuoka |  
 ...103 |  
 
 
  
 | Centrifuge Model Tests on Failure Envelope of Column Type Deep 
 Mixing Method Improved Ground |  
 
 
  
 |  B. B. Broms |  
 ...103 |  
 
 
  
 | Centrifuge Model Tests on Failure Envelope of Column Type Deep 
 Mixing Method Improved Ground (closore) |  
 
 
  
 |  Masaki Kitazume, Kimihiko Okano and Shogo Miyajima |  
 ...108 |  
 
 
  
 | Scale-Modelling of Fluid Flow in Geotechnical Centrifuges |  
 
 
  
 |  E. T. R. Dean |  
 ...108 |  
 
 
  
 | Scale-Modelling of Fluid Flow in Geotechnical Centrifuges 
 (closure) |  
 
 
  
 |  R. Butterfield |  
 ...109 |  
 
 
  
 | ANNOUNCEMENTS |  
 
 
  
 | ...111 | 
 
 
 | JGS NEWS |  
 
 
  
 | ...I -III |