IMECH-IR  > 水动力学与海洋工程重点实验室(2009-2011)
海洋动载作用下砂层液化特性的数值模拟
李驰; 鲁晓兵; 王淑云
Source Publication第十四届中国海洋(岸)工程学术讨论会论文集(上册).海洋出版社,2009,p.845-849
2009-08-05
Pages845-849
Conference Name第十四届中国海洋(岸)工程学术讨论会(上册)
Conference Date2009-08-05
Conference Place中国内蒙古呼和浩特
Abstract对海洋动载作用下饱和砂层中液化度的变化和液化后的残余强度进行数值模拟,总结动载特性和土性参数对砂层中液化度的影响。进而,研究动载作用下砂层中孔压的累积和轴向应变的变化,考察动载频率和动载振幅对孔压和轴向应变时程的影响。以等效动冰载为例,总结砂层在不同轴向应变破坏标准下的液化强度曲线,确定砂层不出现液化的临界动载振幅为0.08m,液化出现的应变门槛值为2.0%。通过与饱和砂层动三轴试验结果的比较,验证了文中计算结果的可靠性。
Keyword海洋工程 液化特性 临界动荷载 应变门槛值 等效动冰载
Funding Organization中科院、中海油联合重大项目“海洋石油开发若干重大科学技术问题研究”(KJCX2-SW-L03-01)
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43221
Collection水动力学与海洋工程重点实验室(2009-2011)
Corresponding Author李驰
Recommended Citation
GB/T 7714
李驰,鲁晓兵,王淑云. 海洋动载作用下砂层液化特性的数值模拟[C]:海洋出版社,2009:845-849.
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