Zoning for liquefaction and damage to port and harbor facilities and others during the 2005 Fukuoka-ken Seiho-oki Earthquake

Hideo Nagase, Kouki Zen, Akihiko Hirooka, Noriyuki Yasufuku, Kiyonobu Kasama, Taizo Kobayashi, Yoshito Maeda, Uno Kiyoshi, Kenji Hashimura, Guangqi Chen

研究成果: Contribution to journalArticle査読

6 被引用数 (Scopus)

抄録

On March 20, 2005, an earthquake of magnitude 7.0, which was named as the 2005 Fukuoka-ken Seiho-oki Earthquake, occurred in the northwest part of Fukuoka City. During the earthquake, liquefaction occurred mainly in the reclaimed lands of the Hakata Bay area, resulting in structural damage. In this paper, the distribution of the sites where liquefaction occurred and the characteristics of the gradation of sand boils collected at the sites were clarified. Further, the occurrence of liquefaction in the reclaimed land was discussed with reference to some instances, and structural damages, mainly to port and harbor facilities, and a flow failure of sloping ground due to liquefaction were summarized. Furthermore, liquefaction analysis was performed using a program for one-dimensional seismic response analysis and several soil profiles of the reclaimed land and alluvial ground in order to investigate the relationship between the occurrence of liquefaction and the distribution of acceleration; this was estimated from the analyses and the mechanical and physical properties of the soils.

本文言語英語
ページ(範囲)805-816
ページ数12
ジャーナルSoils and Foundations
46
6
DOI
出版ステータス出版済み - 2006

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Geotechnical Engineering and Engineering Geology

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