石灰石夹层顺层滑坡分析英文文献和中文翻译(6)
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摘要：分析和研究结果显示:九顶山滑坡的滑动面沿软弱的石灰石夹层（粘土填充）并且滑动块被斜坡上的节理分离。更早的研究结果表明，对于粗糙的、上上下下的结构平面，当坡比大于2.0时，结构表面的剪力强度非常接近其填充强度。根据以前的理论，这方面的不足必须由粘土填充。但在这项研究中，这方面的缺陷是后分析的。而且，对于在野外采集的样本，内填充的剪切强度是经过实验室剪力实验测试的。这种缺陷不能被剪力强度参数的实验室结果所解释。为了模拟野外场地条件，对于脆弱的夹层，滑坡表面的真实的强度参数由原位剪切实验测定。经过原位实验，结果表明缺陷沿着粘土填充物和石灰石边界的联系启动，但是不是通过粘土本身启动。通过联系层的表层是粘土-石灰石的接口，它们之间的凝聚力不是0但是也不能忽略它们之间的凝聚力。