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桥梁高墩位移延性能力的探讨

, PP. 43-48

Keywords: 增量动力分析,高墩,位移延性能力,高阶振型

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Abstract:

本文运用增量动力分析方法来计算高墩的屈服位移、极限位移和位移延性,给出了应用IDA方法计算屈服位移、极限位移的主要过程,探讨了高阶振型对高墩位移延性能力的影响。通过算例分析表明现行计算桥墩位移延性系数的方法,如直接应用到高墩,将会导致较大误差;高阶振型对高墩的屈服位移、极限位移和位移延性系数都有较大的影响。

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