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毕威高速K103+240～580段路基开挖中边坡出现滑坡。从地形地貌、地层岩性、地质构造、气象水文和水文地质方面查明滑坡的区域环境。并勘查滑坡的边界条件、形态特征、结构特征和变形破坏特征。在此基础上,讨论边坡变形破坏的成因机制,对边坡稳定性进行定量与定性评价。并依据这些研究和地质条件提出边坡防治建议。
Biwei highway K103 + 240 ~ 580 slope excavation in the slope landslides. Identify the landslide’s regional environment from topography, formation lithology, geological structure, meteorology, hydrology and hydrogeology. And investigate the landslide boundary conditions, morphological features, structural features and deformation and failure characteristics. On this basis, the formation mechanism of slope deformation and failure is discussed, and the slope stability is quantitatively and qualitatively evaluated. Based on these researches and geological conditions, suggestions on slope prevention and control are put forward.