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mou lin kong chan ye yuan gong cheng sha tu can yu bian xing shi yan yan jiu
Author(s): 
Pages: 238-238
Year: Issue:  10
Journal: Venture Capital

Keyword:  砂土残余体应变残余剪应变沈珠江模型;
Abstract: 采用中国地震局工程力学研究所研制的DSZ-Ⅰ型电磁振动三轴仪对大连临空产业园工程场地的土样(浅层砂和深层砂)进行动力特性试验,研究两种砂土在复杂应力状态下的动力残余变形特性。试验结果表明:残余体应变和残余剪应变都随着动应力比和围压的提高而增大,动应力比和围压的影响对残余体应变和残余剪应变的影响规律是一样的;残余体应变和残余剪应变的Cvr与动应变幅值较好满足线性关系,离散性非常小,而Cdr/Sl2与动应变幅值关系的离散性则比较大。
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