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为了查明成兰铁路沿线茂县曲谷沟小学后山崩塌地质灾害的类型、结构形态、规模、变形特征及成因机制,对该崩塌地质灾害开展了工程地质应急勘查工作,采用地面测绘、探井、原位测试等多种勘查手段,查明该崩塌、教学楼的不稳定斜坡(陡坎)成因、类型、规模、范围、稳定状态及危害性,并分析其变形机制,表明:崩塌危岩体规模级别属中型,危害对象等级为一级,勘查地质条件类型为复杂,该灾害体治理工程等级为Ⅰ级。得到的结果可为进一步的评估防治工程提供参考。
In order to find out the type, structural shape, scale, deformation characteristics and genetic mechanism of the post-mountain landslide geological disasters in Quyugou Elementary School along the Chenglan Railway, this project carried out the engineering geological emergency exploration work for the collapsed geological disasters. The surveying and mapping, In situ testing and other exploration methods to identify the collapse, the teaching building of the unstable slope (scarp) causes, types, size, scope, stability and hazard, and analysis of the deformation mechanism, indicating that the collapse of dangerous rock body The scale level is medium-sized, the hazard object level is one level, the type of geological conditions under exploration is complex, and the grade of disaster management project is Grade-I. The results obtained can provide reference for further evaluation of control projects.