| TECHNICAL PAPERS |  
 
 
  
 | Influences of Diatom Microfossils on 
 Engineering Properties of Soils |  
 
 
  
 | D. R. Shiwakoti, Hiroyuki Tanaka, Masanori Tanaka 
 and J. Locat  |  
 ... 1 |  
 
 
  
 |  
 Yielding and Flow Liquefaction of Loose Sand |  
 
 
  
 |  S. M. R. Imam, N. R. Morgenstern, P. K. Robertson 
 and D. H. Chan |  
 ... 19 |  
 
 
  
 |  
 Effect of Anisotropic Yielding on the 
 Flow Liquefaction of Loose Sand |  
 
 
 |  S. M. R. Imam, D. H. Chan, P. K. Robertson and N. 
 R. Morgenstern |  
 ...33 |  
 
 
  
 |  
 Consolidation Inverse Analysis 
 Considering Spatial Variability and Non-Linearity of Soil 
 Parameters |  
 
 
  
 |  Shinichi Nishimura, Kiyoshi Shimada and Hiroaki 
 Fujii |  
 ...45 |  
 
 
  
 |  
 Undrained Monotonic and Cyclic Shear 
 Beaviour of Sand under Low and High Confining Stresses |  
 
 
  
 |  Masayuki Hyodo, A. F. L. Hyde, Noritaka Aramaki 
 and Yukio Nakata |  
 ...63 |  
 
 
  
 |  
 Numerical Prediction of the Dynamic 
 Behaviors of an RC Group-Pile Foundation |  
 
 
  
 |  F. Zhang and Makoto Kimura |  
 ...77 |  
 
 
  
 |  
 Visualization for Engineering Property 
 of In-Situ Light Weight Soils with Air Foams |  
 
 
  
 |  Jun Otani, Toshifumi Mukunoki and Yoshiaki Kikuchi |  
 ...93 |  
 
 
  
 |  
 A Proposal of the Simplest 
 Convex-Conical Surface for Soils |  
 
 
  
 |  Koichi Hashiguchi |  
 ...107 |  
 
 
 
 
  
 |  
 Redox Effects on Heavy Metal 
 Attenuation in Landfill Clay Liner |  
 
 
  
 |  Masashi Kamon, H. Zhang and Takeshi Katsumi  |  
 ...115 |  
 
 
  
 |  
 Mechanical Properties of Rocks 
 Composing Steps Slopes in Hokkaido, Japan  (Domestic Edition 
 only) 
  |  
 
 
  
 |  Yoshiaki Fujii, Naoshi Miyashita, Yoji Ishikawa and 
 Minoru Kawakita  |  
 ...129 |  
 
 
  
 | ANNOUNCEMENTS |  
 
 
  
 | ...127 |  
 
 
  
 | JGS NEWS |  
 
 
  
 | ...I -IV |