有限幅の壁に作用する津波サージ力

  • 小山 毅
    東京大学大学院工学系研究科建築学専攻 助教・Ph.D.

書誌事項

タイトル別名
  • TSUNAMI SURGE FORCE ACTING ON FINITE WIDTH WALLS
  • ユウゲンハバ ノ カベ ニ サヨウ スル ツナミ サージリョク

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抄録

 Experiments using a reservoir discharge type flume with an orifice are conducted to investigate the relationship between dry bed surge properties and the surge force acting on infinite and finite width walls without overflow. The results show that the instantaneous pseudo surge slope computed from the inundation depth and velocity history correlate well with the surge coefficient for infinite width walls and that the reduction factor for the force acting on finite width walls is related to the inundation depth to wall width ratio. These characteristics are also confirmed through numerical simulations with a water trapezoid impacting a wall.

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