Vol. 51 No. 2 CONTENTS
Special Issue on
Rock Mechanics
General Paper

Special Issue on Rock Mechanics (Vol.51 No.2)

Foreword

M.Shimada

129

Original Paper (Vol.51 No.2)

Double Porousity Theory in Geomechanics and Multiscale Homogenization Analysis

Yasuaki ICHIKAWA

130

Initial Stress Estimation by Use of Ultrasonic

Shoichi KOBAYASHI and Tohru YOSHIKAWA

135

Influence of Confining Pressure on the Kaiser Effect in Post-Failure Region Using OYA-Tuff

Hidehiko WATANABE

140

Shear Befavior of Soft Rock Exposed to Alternate Dry and Wet under Constant Stress

Harushige KUSUMI, Atsushi SHIRAGA and Toshio KATAE

146

Estimation of Induced Fracture by Inverting Surface Title Data

Toshifumi MATSUOKA, Hirohide FUKAMORI and Yuzuru ASHIDA

152

Analysis of Electrical Resistivity Method -Application of Extended Kalman Filter Method to Jointed Rock Mass Survey-

Yuzuru OHTOMO, Kimihiko KUNII and Chikaosa TANIMOTO

157

Effects of Steel Fiber Reinforced High-Strength Shotcrete on Behavior of a Large-Scale Tunnel

Masayasu HISATAKE

162

Experimental Analysis for Transporting Mechanism of Debris Avalanches Associated with Volcanic Edifice Collapse and Application for Geological Deposits

Hiroki KAMATA, Eriko SUDA, Takeshi SAITO, Isao IIZAWA and Satoshi SAKAI

168


General Paper (Vol.51 No.2)

Original Paper (Vol.51 No.2)

Effects of Difference in Molecular Dynamics Potential on Uniaxial Deformation Behaviour of Ni Nano-Crystal

Takashi ISHIBA, Moritaka HIDA and Akira SAKAKIBARA

177

Effect of Long Term Thermal Aging on Microstructure of Gas Turbine Blade Coatings

Akihiro ITO, Yuji SUGITA, Shigeo SAKURAI, Jun KAMEDA

182

Three-Dimensional Reconstruction of Fracture Surface of Duplex Stainless Steel Using Stereo Matching

Toshio KURODA, Kenji IKEUCHI and Yoshihiko KITAGAWA

188

Change of Ultrasonic Attenuation and Microstructure Evolution in Crept 2.25%Cr-1%Mo Steels

Toshihiro OHTANI, Hirotsugu OGI and Masahiko HIRAO

195

Study on Surface Quality in Laser Machining of FRP for Printed Wiring Boards -Temperature and Heat Affected Damage in Drilling of AFRP-

Toshiki HIROGAKI, Eiichi AOYAMA, Tsutao KATAYAMA, Shinji MAEDA, Hisaya KONDOU and Hisahiro INOUE

202

Friction and Wear Properties of Bronze Powder Filled Polyacetal/Polyethylene(LDPE, HDPE, HMWHDPE)Blends

Atsushi SAITO Ikjin UM and Hiromasa TAKAHASHI

207

Effect of ƒÂ Ferrite on Fatigue Strength of SUS630 Stainless Steel

Hideyuki FUJII, Hisao MATSUNAGA and Yukitaka MURAKAMI

215

Micro-Crack Growth Behavior in Weldments of the Ni-Base Superalloy Hastelloy-X under Biaxial Low-Cycle Fatigue at High Temperature

Nobuhiro ISOBE and Shigeo SAKURAI

221

Practical Method of Impact Resistance Evaluation of Talc-Reinforced Polypropylene

Hidetoshi TAKEDA, Mikiko NAKAJIMA and Tetsuo SHOJI

227

Effect of Creep Damage on the Impact Energy-Absorption of Talc-Reinforced Polypropylene Copolymers

Hidetoshi TAKEDA, Mikiko NAKAJIMA and Tetsuo SHOJI

233

Lecture (Vol.51 No.2)

Applications of Strength Design and Safety Assessment in Machine and Structure ‡V:Car Body Structures of Shinkansen

Shigeki KOE and Tokio OHNISHI

239