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计算了无覆盖层与不同厚度覆盖层上土石坝地震响应,并对比了土石坝的加速度分布规律,分析了不同厚度覆盖层对大坝加速度反应的影响。结果表明,覆盖层对地震加速度的分布与峰值均存在不可忽略的影响。
The seismic responses of the earth-rockfill dam with no overburden and overburden with different thicknesses are calculated, and the acceleration distribution laws of the earth-rockfill dam are compared. The influence of overburden with different thicknesses on the dam acceleration response is analyzed. The results show that there is a non-negligible influence of overburden on the distribution and peak value of earthquake acceleration.