コンクリート工学年次大会 2014(高松)

講演情報

第36回コンクリート工学講演会(B.構造・設計) » 耐震一般/耐震診断

耐震一般Ⅰ

2014年7月9日(水) 10:00 〜 12:00 第8会場 (国際会議場)

[2096] Characteristics of Tsunami Force on Concrete Girder by Experiment Simulating Steady Flow

座長(土木):岡野素之
座長(建築):田才晃
講演者:付李1, 幸左賢二1, 佐藤崇2, 佐々木達生3
(1.九州工業大学 2.長大 3.大日本コンサルタント)

キーワード:steady flow experiment, tsunami, wave downward force, wave horizontal force

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Many bridges were washed away by the tsunami due to the Great East Japan Earthquake and up until now, the design method of tsunami force on bridge girder has not been proposed. The authors conducted a steady flow experiment to simulate the tsunami flow and studied the characteristics of the wave horizontal force and the vertical force on the girder model. It is obtained that the wave horizontal force is proportional to the square of flow velocity and the vertical force affected the girder downward because of the overflow effect on the girder top.