对所有水位，地基辐射阻尼都带来坝体地震响应的全面降低，但不影响反应的总体规律。
Under each water level, the foundation radiation damping brings overall reduction of the dam body's earthquake responses, while having no noticeable effect on the response patterns.
采用悬臂梁振型分解反应谱法研究重力坝地震响应。
The mode-superposition response spectrum method of cantilever is used to study the seismic response of gravity dam.
采用反应谱法，时程分析方法以及随机振动方法分析了拱桥在一维和多维地震激励下的地震响应。
Through spectrum analysis, time-marching analysis and radom vibration analysis, the seismic performance of arch bridge under one-dimension and multi-dimension excitation has been analyzed.
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