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Dive into the research topics where Eiji Kohama is active.

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Featured researches published by Eiji Kohama.


PROCEEDINGS OF COASTAL ENGINEERING, JSCE | 2008

Application of Numerical Analysis and Model Experiment on Seismic Design of Large Steel Celltype Quay Wall

Kazunobu Morohoshi; Eiji Kohama; Masaharu Watanabe; Osamu Kiyomiya; Takahiro Sugano; Masafumi Miyata; Syuuji Yamamoto; Shigeru Sato

The construction of a high seismic resistant quay, MC-3 began in February 2008 at Minami-Honmoku Pier of Yokohama Port. The large steel celitype quay with 24.5m in diameter and 32m in height is designed in conformity with the new technical standard for port and harbor structures revised in April 2007. Deformation and damage of structures must be evaluated accurately, based on performance-based design introduced to the new standard. Two-and three-dimensional finite element analyses and model shake table tests are conducted in this study, to evaluate performance ofthe quay during L2 earthquake.


Soils and Foundations | 1998

INSTABILITY OF GRAVITY TYPE QUAY WALL INDUCED BY LIQUEFACTION OF BACKFILL DURING EARTHQUAKE

Eiji Kohama; Kinya Miura; Nozomu Yoshida; Natsuhiko Ohtsuka; Satoru Kurita


Soils and Foundations | 2003

The size effects of earth pressure cells on measurement in granular materials

Kinya Miura; Natsuhiko Otsuka; Eiji Kohama; Chairat Supachawarote; Tsuyoshi Hirabayashi


Soils and Foundations | 2014

Damage to coastal structures

Takahiro Sugano; Atsushi Nozu; Eiji Kohama; Ken-ichiro Shimosako; Yoshiaki Kikuchi


The Proceedings of the ... International Offshore and Polar Engineering Conference | 1997

Behavior of Gravity Type Quay Wall During Earthquake Observed In Model Shaking Table Test

Kinya Miura; Eiji Kohama; S. Kurita; N. Ohtsuka; N. Yoshida


The Proceedings of the ... International Offshore and Polar Engineering Conference | 1998

Dynamic Behavior of Gravity Type Quay Wall-Backfill System During Earthquake With Regard to the Liquefaction of Backfill

Eiji Kohama; Natsuhiko Ohtsuka; Kinya Miura; Nozomu Yoshida; Satoshi Kurita


Proceedings of the JSCE Earthquake Engineering Symposium | 2005

ESTIMATION METHOD FOR EARTHQUAKE INDUCED SLIDING OF SOIL MASS AND RETAINING STRUCTURE REGARDING THE NATURAL FREQUENCY

Kinya Miura; Eiji Kohama; Nozomu Yoshida; Jumpei Watanabe


Journal of Japan Society of Civil Engineers | 2018

STUDY OF A METHOD OF CALCULATING NATURAL PERIOD OF OPEN-TYPE WHARVES WITH VERTICAL PILE CONSIDERING THE NONLINEARITY OF SOIL STIFFNESS ACCOMPANYING EARTHQUAKE GROUND MOTION

Masaru Katsumata; Yusuke Fukunaga; Masahiro Takenobu; Masafumi Miyata; Eiji Kohama


Journal of Japan Society of Civil Engineers | 2018

VERIFICATION EXPERIMENT ON RESIDUAL DISPLACEMENT MEASUREMENT OF MOORING FACILITIES USING UNMANNED AERIAL VEHICLES AFTER EARTHQUAKE

Yousuke Ohya; Hirotaka Ito; Eiji Kohama


Journal of Japan Society of Civil Engineers | 2018

AN EXPERIMENTAL STUDY OF SEISMIC RETROFIT FOR A PIER WITH STEEL PIPE PILE

Shingo Awazu; Eiji Kohama; Yousuke Ohya; Yoshio Shiozaki

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Nozomu Yoshida

Tohoku Gakuin University

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Jumpei Watanabe

Toyohashi University of Technology

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Takahiro Sugano

Ontario Ministry of Transportation

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Akihiko Kondo

Nagoya Institute of Technology

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Kenji Watanabe

Railway Technical Research Institute

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Yoshiaki Kikuchi

Tokyo University of Science

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