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在分析永宁高速公路K106滑坡区工程地质概况的基础上,阐述了滑坡的变形特征、性质,并探讨了滑坡的成因。分析认为路堑边坡的临空面大小及地下水对基岩顺层边坡演变为滑坡起到至关重要的作用,针对滑坡的病害特征,对该滑坡的整治分为应急工程、一期工程及二期工程。滑坡整治工程完工后,进行了为期1年的深孔位移监测,报告显示滑坡趋于稳定。期望对类似高速公路整治顺层基岩滑坡有借鉴意义。
Based on the analysis of engineering geology of K106 landslide area on Yongning Expressway, the deformation characteristics and properties of the landslide are expounded and the causes of the landslide are discussed. The analysis shows that the size of ground face and the groundwater play an important role in the landslide evolution along the bedding rock slope. According to the characteristics of the landslide, the landslide remediation is divided into emergency project, Phase II. After completion of the landslide remediation project, a one-year deep-hole displacement monitoring was carried out. The report shows that the landslide tends to be stable. It is expected to be of reference significance to similar landslide improvement of the expressway.