Characteristics of Damages to Fishing Port Facilities Caused by the Great East Japan Earthquake and Investigating Tsunami Resistant Design

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  • 漁港施設の津波被災の特徴と耐津波設計への取り組み
  • ギョコウ シセツ ノ ツナミ ヒサイ ノ トクチョウ ト タイツナミ セッケイ エ ノ トリクミ

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Abstract

The tsunami that followed the Great East Japan Earthquake caused massive damage to the fishing port facilities. This study introduced the damage conditions and patterns of breakwaters and quay wall of fishing port based on the field survey. Furthermore, based on the hydraulic experiments, i) tsunami wave pressure acting to the breakwater on overflowing condition, ii) characteristics of lift force on waveabsorbing type quay by tsunami and iii) evaluation of required mass of stable armor units for tsunami were investigated to develop the tsunami resistant design for the fishing port facilities.

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