A Study of Damage Mechanism on Port Facilities at Onagawa Fishery Port due to Tohoku Earthquake Tsunami
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概要
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In order to investigate the damage mechanism on fishery port facilities at Onagawa fishery port, field surveys were conducted and these body stabilities were checked using the tsunami simulation modeled with water overflowing structures. In the survey, caisson and riprap foundations of the north and south breakwater at the mouth of the port collapsed outward and inward of the port, respectively. The modeled results explained that the caisson withstood the pressure of the spilling wave but was broken with the undertow and that riprap foundations were destroyed with the spilling wave. In addition, the modeled results demonstrated the breakwater head destruction which was affirmed in the video that the head part is destroyed finally.
- Japan Society of Civil Engineersの論文
Japan Society of Civil Engineers | 論文
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