Vol. 59 No. 1 CONTENTS
Special Issue on
Ground Improvement

Special Issue on Ground Improvement (Vol.59 No.1)

Foreword

M.Yamada

1

Original Paper (Vol.59 No.1)

Distribution Region of Sensitive Holocene Clay in Eastern Osaka Area and Re-Consideration of the Cause of Sensitivity

Akihiko OSHIMA, Gaku MORIOKA, Tetsuya FUKUMOTO, Mari KASUGAI and Kouji YAMAMOTO

2

Full-Scale Field Test on Estimation of Countermeasure for Liquefaction by Densification Method for Runway Pavement

Hiroshi NAKAZAWA, Takahiro SUGANO, Masaki ADACHI, Kazuhiro YAMADA, Kazumi OOSAWA, Takashi SHINSAKA and Yoshinobu HARADA

8

Study on Liquefaction Countermeasure Effectiveness of Lattice-Type Deep Mixing Based on Full-Scale Field Test

Shoji HIGASHI, Kenji HARADA, Hiroshi NITAO, Noriyuki HASHIMOTO, Akihiko SUZUKI, Yukiharu HATSUYAMA, Kazuyuki TATESHITA, Takahiro SUGANO, Hiroshi NAKAZAWA

14

On-Line Pseudo-Dynamic Response Test for Evaluating Seismic Isolation Effect by Tire Chips on Response of Saturated Sand Deposits

Takashi KANEKO, Masayuki HYODO, Yukio NAKATA, Norimasa YOSHIMOTO and Hemanta HAZARIKA

20

Method of Evaluating the Seismic Performance of Piles in Composite Ground

Koichi TOMISAWA and Seiichi MIURA

26

Mixing Mechanism and Case Study of Deep Stabilization Method Using Contra-Rotational Mixing Head

Koichi SUZUKI, Kunio SAITOH, Mitsuo HARA, Atsuya SATO, Kouki TAKAKURA, Masao FURUSAWA and Tomohiro HASUKA

32

Evaluation of Bending Strength of Shallow Stabilized Ground with Floating-Type Deep Mixing Wall

Ryohei ISHIKURA, Kiyoshi OMINE, Noriyuki YASUFUKU, Hiroshi MATSUDA and Hidetoshi OCHIAI

38

Reliability-Based Analysis on the Bearing Capacity of Cement-Treated Ground Considering the Spatial Variability of Shear Strength

Kiyonobu KASAMA and Kouki ZEN

44

Repairing Material for Embankment Using a Bottom Sludge of Age-Old Reservoir

Kenichi SATO, Takuro FUJIKAWA, Hiroyuki TANAKA and Suehiko YOKOTA

50

Solidification Properties of Dredged Materials Stabilized with Waste Plasterboard Powder and Reinforcement Effect Brought by Wrapping the Mixtures in Geotextile

Mikio YAMADA, Shigeru TSUBOKAWA and Hiroaki SANO

56

Application of the Rotary Crushing and Mixing(Twister) Method to the Short Fiber-Reinforced Soils

Noriaki NAKAJIMA and Yukiko SAITO@and Isamu TAKAHASHI and Naoto YOSHIDA@and Suehiko YOKOTA and Yasushi SATO

62

Absorption Property Evaluation of Light Weight Soil with Air Foam due to Different Mixing Conditions

Takeshi NAGATOME, Taichi HASHIMOTO, Jun OTANI and Yoshiaki KIKUCHI

68

Experimental Study on Impermeable Properties of H-Jointed SPSPs with H-H Joints under Soil Coexistence

Shinya INAZUMI, Makoto KIMURA, Takuzo KUZU and Tadashi WAKATSUKI

74

Evaluating Effects of Air Sparging for In-situ Bioremediation

Hiroyuki ISHIMORI, Ryouichi FUKAGAWA, Takeshi KATSUMI, Yoshiki MATSUMIYA, Kenzou KUBOTA, Motoki KUBO

78

Centrifuge Model Tests on the Seismic Behavior of Soil-Bentonite Vertical Cutoff Wall

Toru INUI, Atsushi TAKAI, Futoshi KURIHARA, Takeshi KATSUMI and Masashi KAMON

84

Lecture (Vol.59 No.1)

Fundamentals of Fatigue and Recent Trends on Fatigue Design in Mechanical Structures ‡T:Fundamentals and Recent Research-Trends on Fatigue

Toshihiko HOSHIDE and Yoshihiko UEMATSU

89