三峡库区兴山县杨家院子滑坡稳定性及成因机制分析

摘要

通过地质测绘、工程测量、钻探、山地工程等手段查明了滑坡区的地质环境、滑坡体规模及其滑带特征,并通过分析与计算,针对不同边界条件、多种工况条件下进行了滑坡稳定性评价及成因机制分析,结果表明杨家院子滑坡现状基本稳定,在水位涨落、暴雨的情况下,发生滑移变形的可能性较大,为后期滑坡灾害的防治提供了依据.%The paper identifies geological environment of landslide area, landslide body scale and characteristics of sliding zone.Based on the analysis and calculation, the stability analysis of the landslide and the analysis of the formation mechanism are carried out under different boundary conditions and various operating conditions.The results show that the landslide is basically stable , in the case of fluctuation of water level and heavy rain, the possibility of slip deformation is larger, which provides a basis for the prevention and control of landslide disaster.