西南某滑坡基本特征及多种破坏模式稳定性分析

The Southwest Landslide Basic Characteristics and Stability of Variety of Failure Mode Analysis

西南某滑坡5.12强烈地震后发生明显的失稳破坏迹象,该滑坡是古滑坡,前缘发育有一次级滑坡,该滑坡规模较大,受连续降雨及施工扰动等外界因素的不断影响,通过现场调查、钻孔监测等途径掌握滑坡变形破坏的基本特征,并根据刚体极限平衡法对3种不同的破坏模式进行稳定性现状和发展趋势的分析预测,为滑坡治理提供可靠依据。

The southwest landslide after the5.12earthquake occurred obvious signs of loosing stability failure.The landslide is the ancient landslide,and the front development has a secondary landslide.This landslide is with a large scale by the influence of some external factors such as continuous rainfall and the construction disturbance.Through field investigation,drilling monitoring way to master the basic characteristics of the landslide deformation and failure,and according to the rigid body limit equilibrium method to make an analysis and predictions to stability status and development to three different failure modes in order to provide reliable references for landslide dispose.