Breakwater damage in Okushiri Port due to the Hokkaido Nansei-Oki earthquake tsunami

Katsutoshi Kimura, Yuzo Mizuno, Hiroichi Tsuruya, Yasuyuki Nakagawa

研究成果: Contribution to journalConference article

抜粋

A tsunami caused by the Hokkaido-Nansei-oki earthquake struck Okushiri Island and the southwest coast of Hokkaido damaging many port facilities. This paper describes typical breakwater damage at Okushiri Port and the applicability of Tanimoto's formula for tsunami wave forces on vertical walls based on prototype failure analyses and the result of numerical simulations. The armor stability and the rubble mound scourings were examined from the results of 3-D model tests at a scale of 1/15. The damage patterns at the narrow opening of breakwaters were reproduced by the tests. The necessary weight of armor blocks and foot-protection blocks for breakwater heads were calculated by the C.E.R.C. formula using averaged flow speed at the peak of tsunami.

元の言語英語
ページ(範囲)4676-4688
ページ数13
ジャーナルProceedings of the Coastal Engineering Conference
4
DOI
出版物ステータス出版済み - 1997
イベントProceedings of the 1996 25th International Conference on Coastal Engineering. Part 1 (of 4) - Orlando, FL, USA
継続期間: 9 2 19969 6 1996

All Science Journal Classification (ASJC) codes

  • Ocean Engineering

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