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通过对大兴安岭新林区林海～宏图公路沿线的实地调查,详细介绍了沿线区域的地质环境条件,同时归纳总结了沿线崩塌灾害的分布特征、规模及形成原因。根据崩塌体的不同破坏形式,选取典型危岩体采用定性和定量相结合的方法对其稳定性进行了综合评价。在全面考虑稳定性分析结果及公路边坡地形地质条件下提出了沿线崩塌的具体防治措施。
Based on the field survey of Linhai ~ Hongtu Highway in Xinlin District, Daxing’anling, the geological and environmental conditions along the line are introduced in detail. At the same time, the distribution characteristics, scale and causes of the collapsing disaster along the route are summarized. According to the different damage forms of the collapsed body, the typical dangerous rock body is selected to carry on the comprehensive appraisal to the stability by combining qualitative and quantitative methods. After comprehensively considering the result of stability analysis and the topographic and geological conditions of highway slope, the concrete prevention and cure measures along the line are proposed.