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在公路建设中经常遇到在坡体前缘地形相对较缓处开挖的情况,由于阻滑段的减重,从而造成原有滑坡复活的案例。本文以十天高速白河立交E匝道左侧复活滑坡为研究对象,根据围绕滑坡的前期勘察、补充勘察和治理勘察等三个阶段工作,总结了该类滑坡认定需注意事项,可供类似工程参考;针对这类滑坡复活机制,总结了秦巴山区滑坡判定的方法及其判定过程的复杂性,为类似地区开展滑坡地质勘察工作总结了经验,并提出了针对性的防止误判和防灾减灾的工程建议措施。
In the road construction, the excavation of the front of the slope body is relatively often encountered in the case of excavation. Due to the weight reduction of the block, the original landslide is caused. In this paper, the research on the revival landslide on the left side of the E ramp of the Baihe Interchange is carried out. According to the work of three stages: preliminary investigation around the landslide, supplementary survey and management survey, this article summarizes the matters needing attention for this type of landslide and provides references for similar projects In view of this kind of landslide resurrection mechanism, the method of landslide determination in Qinling-Bashan Mountains and the complexity of its decision-making process are summarized. The experience of landslide geological survey in similar areas is summarized, and some suggestions are put forward to prevent misjudgment and disaster prevention and mitigation Engineering recommendations.