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首页> 外文期刊>Bulletin of earthquake engineering >Nonlinear seismic response analysis of arch dam-foundation systems - part II opening and closing contact joints
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Nonlinear seismic response analysis of arch dam-foundation systems - part II opening and closing contact joints

机译：拱坝基础系统的非线性地震反应分析-第二部分打开和关闭接触点

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摘要

A time-domain method for the analysis of arch dam-foundation rock dynamic interaction during earthquake was proposed, and the dynamic relaxation technique was adopted to obtain the initial static response for dynamic analysis by [Du et al. (2005). The paper has been contributed to Bulletin of earthquake engineering]. In this paper, a nonlinear explicit method in time domain considering the opening and closing effect of contact joints on arch dam during earthquake is further proposed by introducing the dynamic contact force model into the method. The simulation accuracy of dynamic contact force model is verified by comparing its calculation result and test result of scale model on shaking table. Finally, the influence of joints on the seismic response of Xiaowan arch dam is studied by the proposed method and some conclusions are given.
机译：提出了一种时域分析拱坝-基础岩石在地震作用下的动力相互作用的方法，并采用动态松弛技术获得了初始静力响应，以进行动态分析。 （2005）。该论文对《地震工程通报》有所贡献。通过引入动态接触力模型，进一步提出了考虑地震作用下拱坝接触缝的开闭效果的时域非线性显式方法。通过将其计算结果与振动台上比例尺模型的测试结果进行比较，验证了动态接触力模型的仿真精度。最后，通过提出的方法研究了节理对小湾拱坝地震反应的影响，并给出了一些结论。

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