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Study on Deterioration and Stability of Rock Mass of Reservoir Bank Slope in Cold Area by Freeze-Thaw
Pages: 35-39
Year: Issue:  4
Journal: Water Conservancy Science and Technology and Economy

Keyword:  冻融循环室内试验数值模拟抗剪强度边坡稳定性;
Abstract: 为了对寒区宽边坡冻融循环后的岩体强度变化特征以及边坡稳定性情况进行研究.采用冻融循环获取岩体强度特征,结合冻融循环结果使用FLAC3 D进行数值模拟,获取边坡在冻融循环后的稳定性情况.结果表明,进行8次冻融循环后,岩土体的内聚力出现明显的降低,降低31.8%,内摩擦角出现相对的增大,增大约4.8%.并通过每次循环后的参数进行数值模拟分析,边坡稳定性在8次冻融循环后达到低值,边坡产生较大的位移.
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