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Study on the shear strength of rock and soil mass in slopes with in-situ tests
Author(s): 
Pages: 18-22
Year: Issue:  8
Journal: Geotechnical Investigation & Surveying

Keyword:  边坡 原位剪切试验 室内剪切试验 抗剪强度;
Abstract: 针对碟子沟风井场地边坡特征,在边坡典型位置的岩石与土层界面和软弱泥岩夹层处分别进行了原位剪切试验,获得了相应的抗剪强度指标。通过与滑带土相同工况下的室内试验强度指标对比,发现室内试验指标较原位剪切试验获得的内聚力和内摩擦角低,并分析了室内外试验结果差异的原因。试验研究表明,边坡岩土体的大型原位剪切试验对边坡稳定性分析和工程治理优化具有重要价值。
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