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Transmission of seismic soil layer strain to underground structure and its influence factors
Author(s): 
Pages: 161-168
Year: Issue:  2
Journal: Journal of Natural Disasters

Keyword:  地下结构地震应变传递率影响因素;
Abstract: 以变形控制为主线,提出了横向应变传递率(STC)的概念,以研究土层向地下结构横向应变传递的影响因素和影响规律.采用二维非线性动力有限元,分析地震动不同输入(峰值和波形)、土层不同性能(剪切模量和土层厚度)以及地下结构特征(埋深、宽高比)等参数对STC的影响.结果表明,引入的横向应变传递率的概念可以反映地震荷载-地下结构-土体间相互作用问题的本质,各种参数对STC的影响具有规律性:土层软硬对应变传递...
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