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猪卜笼滑坡位于水布垭库区支锁河左岸,为典型松散堆积体滑坡,因水库蓄水造成前缘局部岩土体变形失稳。通过分析滑坡工程地质条件、形态特征、物质结构组成及变形特征,查明了该滑坡形成机制,并运用极限平衡理论定量评价其稳定性。分析表明,滑坡在内外动力耦合作用下,大致历经崩塌、堆积、加载和滑移过程,形成现今堆积形态。目前滑坡处于基本稳定状态。
The pig-Pucun landslide is located on the left bank of Zhushu River in Shuibuya reservoir area, and is a typical loosely accumulated landslide. Due to reservoir impoundment, the deformation of local rock and soil body is unstable. By analyzing the geological conditions, morphological characteristics, material composition and deformation characteristics of the landslide, the formation mechanism of the landslide was identified, and the stability of the landslide was quantitatively evaluated by using the limit equilibrium theory. The analysis shows that the landslide undergoes the process of collapse, accumulation, loading and slippage under the coupling of internal and external forces to form the current accumulation pattern. The current landslide is basically stable.