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对于一层房子来说,只有一个可以水平移动的楼层,所以求出来的 471 千牛的地震力只能全 部作用在这个楼层上。而对于三层房子来说,三个楼层都可以单独水平移动,也就是说,每 个楼层都要承担一部分的水平地震力,三个楼层加起来,刚好等于总的地震力 1185 千牛。
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owner: bian222 - (no access) - 地震力是怎么算出来的111.pdf, p53


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