Author

Ryoji Isoyama

Observed names: Isoyama, Ryoji, R. Isoyama, RYOJI ISOYAMA, Ryoji ISOYAMA

Observed institutions: Tokai University, Toyo University, Chiba University, Tokyo Denki University, Tokyo Gas (Japan), National Research Institute for Earth Science and Disaster Resilience, Japan Society of Civil Engineers, Eight-Japan Engineering Consultants Inc. (Japan), Nihon Gijutsu Kaihatsu Co., Ltd. (Japan), Institute of Industrial Science, The University of Tokyo, The University of Tokyo

OpenAlex ID: A5049498545

Study on Liquefaction-induced Permanent Ground Displacements and Earthquake Damage

1986 · Masanori HAMADA, Susumu YASUDA, et al. · Doboku Gakkai Ronbunshu · 143

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Liquefaction-induced Ground Displacement and Its Related Damage to Lifeline Facilities

1996 · MASANORI HAMADA, RYOJI ISOYAMA, et al. · 土質工学会論文報告集 · 127

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Study on permanent ground displacement induced by seismic liquefaction

1987 · M. Hamada, I. Towhata, et al. · Computers and Geotechnics · 109

Seismic Damage Estimation Procedure for Water Supply Pipelines

2025 · Ryoji ISOYAMA, Eisuke ISHIDA, et al. · World Conference of Earthquake Engineering · 86

Observation of Permanent Ground Displacements Induced by Soil Liquefaction

1986 · Masanori HAMADA, Susumu YASUDA, et al. · Doboku Gakkai Ronbunshu · 57

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Development of Real-Time Safety Control System for Urban Gas Supply Network

2006 · Yoshihisa Shimizu, Fumio Yamazaki, et al. · Journal of Geotechnical and Geoenvironmental Engineering · 40

Reliability evaluation of water supply systems during earthquakes

1982 · Ryoji Isoyama, Tsuneo Katayama · 14

Mixing Method of Geomorphologic Classification and Borehole Data for Estimation of Average Shear-Wave Velocity and Distribution of Peak Ground Motion during the 2004 Niigata-Chuetsu Earthquake

2007 · Iwao SUETOMI, Eisuke ISHIDA, et al. · Journal of Japan Association for Earthquake Engineering · 13

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Optimization of Post-Earthquake Restoration of City Gas Systems

1985 · Ryoji Isoyama · 11

Reliability Evaluation Methods of Large-scale Water Supply Networks During Seismic Disaster

1982 · Ryoji ISOYAMA, Tsuneo KATAYAMA · Proceedings of the Japan Society of Civil Engineers · 11

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Earthquake Damage Caused by Liquefaction Induced Permanent Ground Displacement

1987 · M. Hamada, K. Kubo, et al. · Developments in geotechnical engineering · 8

Development of Real-time Earthquake Disaster Mitigation System for City Gas Network and Utilization of Regional Geological Information

2003 · Yoshihisa SHIMIZU, Eisuke ISHIDA, et al. · Doboku Gakkai Ronbunshu · 5

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Importance Factor Evaluation of Existing Road Bridges for a Seismic Disaster Mitigation Plan

1995 · Jiro Sato, Yukio Sinozaki, et al. · Doboku Gakkai Ronbunshu · 2

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A Procedure to Assess the Stability of Buried Structures against Liquefaction-Induced Ground Deformations

1995 · M. Satoh, M. Hamada, et al. · 2

Fuzzy Reasoning for Earthquake Damage Assessment of Large-Scale City Gas Systems

1991 · Tsuneo Katayama, Fumio Yamazaki, et al. · Lifeline Earthquake Engineering · 2

Practical Performance Evaluation of Water Supply System During Seismic Disaster

1981 · Ryoji Isoyama, T. Katayana · Lifeline Earthquake Engineering · 2

Analyses on Water Pipeline Damage in Sendai City Caused by the Great East Japan Earthquake

2019 · Eisuke ISHIDA, Ryoji ISOYAMA · Journal of Japan Association for Earthquake Engineering · 1

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1 New development of super-dense seismic monitoring and damage assessment system for city gas networks

2014 · F. Yamazaki, Y. Shimizu, et al. · 1

Reconnaissance Report on the 2000 Tottori-ken Seibu Earthquake

2007 · Junji KIYONO, Tadafumi FUJIWARA, et al. · Doboku Gakkai Ronbunshuu A · 1

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A Procedure for High-accuracy Map of Peak Ground Motion Using Observed Records

2005 · Iwao Suetomi, Eisuke Ishida, et al. · 1

Case Study of the Integrated Earthquake Disaster Simulation Systems

2005 · Noriko Kodama, Yozo Goto, et al. · 1

Permanent ground displacement induced by soil liquefaction during 1983 Nihonkai-Chubu and the 1964 Niigata earthquakes

2026 · M. Hamada, S. Yasuda, et al. · CRC Press eBooks

Quantitative analyses on liquefaction induced permanent ground displacement and its effects on earthquake damage

2026 · M. Hamada, S. Yasuda, et al. · CRC Press eBooks

Estimation of Surface Ground Motion Distribution During 2005 West Off Fukuoka Earthquake Using Mixing Method of Geomorphologic Classification and Borehole Data

2007 · Yasuhiro FUKUSHIMA, Iwao Suetomi, et al. · PROCEEDINGS OF THE JSCE EARTHQUAKE ENGINEERING SYMPOSIUM

Site Effect on Earthquake Ground Motion During the 2007 Noto Hanto Earthquake

2007 · Yasuhiro FUKUSHIMA, Iwao Suetomi, et al. · PROCEEDINGS OF THE JSCE EARTHQUAKE ENGINEERING SYMPOSIUM

Works count: 32

Citation count: 637

H-index: 10

I10-index: 10