重力式コンクリートダムの地震時2次元クラック進展解析

DOI Web Site 被引用文献2件
  • 張 宏遠
    Department of Built Environment, Tokyo Institute of Technology
  • 大町 達夫
    Department of Built Environment, Tokyo Institute of Technology

書誌事項

タイトル別名
  • 2 DIMENSIONAL ANALYSIS OF SEISMIC CRACKING IN CONCRETE GRAVITY DAMS
  • 2 Dimensional Analysis of Seismic Crack

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抄録

This paper deals with seismic cracking of concrete gravity dams. First, the nonlinear tensile behavior of concrete is represented by the smeared crack model. The solution method of dynamic equation is discussed and improved to be consistent with the smeared crack model. Then, the seismic cracking of Koyna Dam is reproduced, to demonstrate the validation of such a nonlinear analysis on cracking in concrete gravity dams during strong earthquakes. Finally, the effect of hydrodynamic pressure inside cracks on the cracking in dam body is investigated and the calculation shows that hydrodynamic pressure inside cracks tends to increase the length of cracking.

収録刊行物

  • ダム工学

    ダム工学 8 (2), 93-101, 1998

    一般社団法人 ダム工学会

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