Original Paper (Vol.57 No.1)

The Effects of Sedimentary Environment on Geo-Technical Properties of Higashi-Osaka@Sensitive Clay
Keiji INOUE, Kohei SAWA, Yosihisa NAKAYAMA, Hisashi MATSUKAWA, Kazuhiko NISHIDA, Tomio TAMANO, Masanobu KANAOKA and Tatsuaki NISHIGATA	2
Study on Crack Propagation Velocity of Mortar/Granite Specimens by Impact Test
Tomio TAMANO, Masanobu KANAOKA, Kosei TAKEHARA, Natsuki MIZUTANI, Kengo OSHIMA and Takeharu ETO	8
Stability Behaviour of SCP Improved Ground to Focus Bending Mode of Sand Piles
Hidenori TAKAHASHI and Masaki KITAZUME	12
Centrifuge Model Tests on Internal Stability of Group Column Type Improved Ground under Embankment
Masaki KITAZUME and Kenji MARUYAMA	18
The Strengt‚ˆ Property of Soils Treated by Cement-Mixing and Mechanical Dehydration
Kiyonobu KASAMA, Kouki ZEN, Guangqi CHEN and Nobutaka KAWANO	24
Study of Rapid Permeation Grouting and Its Effectiveness with Use of Horizontal Directional Drilling
Hiroyasu ISHII, Ryonosuke KOIZUMI, Shinji MIWA and Tadao OYAMA	28
Dynamic Stability of Reinforced Slope Using New-Mark and Distinct Element Method
Tatsuaki NISHIGATA, Kei AZEGAMI and Kenichi KATAOKA	32
Effect of Surface Holding on Stabilizing Mechanisim of Reinforced Natural Slope
Yasuyuki NABESHIMA and Shoji KIGOSHI	38
The Pull Out Resistance of Steel Chain with Reinforcement of Fill and Dilatancy Effect
Mitsuharu FUKUDA, Takao HONGO, Akihiro KITAMURA, Yasuhiro MOCHIZUKI, Sumio INOUE, Etuo FUJIMURA and Makoto KIMURA	44
Impermeable Properties of H-Jointed Steel Pipe Sheet Piles with H-H Joints
Shinya INAZUMI, Makoto KIMURA, Masashi KAMON and Yoshikazu NISHIYAMA	50
Absorption Property Evaluation of Light Weight Soil with Air Foam under Wet Sand Condition
Yoshiaki KIKUCHI, Takeshi NAGATOME, Hiroya FUKUMOTO and Michio HIGASHIJIMA	56
Performance of the Packed-Foamed Cement Milk and Its Applicability as Base Material
Mikio YAMADA, Shinichiro TSUJI, Hiroaki SANO and Kazuyasu TANABE	60
Evaluating the Leaching Characteristics of Waste Concrete Aggregate Using Acceleration Tests
Masashi KAMON, Toru INUI, Hiroshi SHIMADA, Masaya TANABE, Takeshi KATSUMI and Akiko KIDA	66
Cyclic Shear Characteristics of Soil Mixed with Granulated Coal Ash
Norimasa YOSHIMOTO, Masayuki HYODO, Yukio NAKATA, Hidekazu MURATA, Takashi NISHIZONO, Takashi HONGO, Akira OHNAKA and Kazuhiro SAIAI	71
Development of Novel Geo-Material Using Rubber-Elasticity of Scrap Tire
Yoshio MITARAI , Yuu NAKAMURA and Jun OTANI	77