土工基础

›› 2016, Vol. 30 ›› Issue (4): 443-446.

• 工程实录 • 上一篇    下一篇

奉节县石王庙滑坡机理与稳定性评价

杨 洋   

  1. （重庆华地工程勘察设计院，重庆 400016）
  • 收稿日期:2016-07-05 出版日期:2016-08-20 发布日期:2016-08-26
  • 作者简介:杨 洋（1983-），男，工程师，主要研究方向为地质灾害勘察与防治。

Stability Evaluations for a Landslide at Shiwangmiao, Fengjie County

YANG Yang   

  1. (Huadi Engineering Exploration and Design Institute, Chongqing 400016)
  • Received:2016-07-05 Online:2016-08-20 Published:2016-08-26

摘要： 奉节县石王庙滑坡位于重庆市奉节县康乐镇，分布于长江一级支流梅溪河左岸斜坡地带，属侵蚀、剥蚀成因低山河谷地貌，地下水主要由上层滞水及基岩裂隙水组成，是在老岩质崩滑堆积体上发育的次生滑坡。在详述滑坡外貌、地质结构及变形破坏特征的基础上，运用传递系数法进行了滑坡稳定性分析，对多种工况下的稳定性进行验算，同时结合滑坡现状进行了定量分析，结果表明，在持续暴雨条件下滑坡稳定性下降，为滑坡的防治提供了重要依据。

关键词: 滑坡, 形成机理, 稳定性, 防治

Abstract: Near Town of Kangle, Fengjie County of Chongqing City, the Shiwangmiao landslides distributed on the left bank sloping area of Meixi River, a tributary of Yanzte River. It is a secondary landslide developed on the accumulation of the colluvial of the parental bedrock mass and eroded from hills and river valley geometry where underground water consists of perched water and water from bedrock fissures. Based on detailed evaluation of shapes of landslides, geological structures and failure characteristics, the landslide stability analyses under various conditions were performed by using the transmitting coefficient method. Combined with the quantitative analysis of the landslides, the result showed that stability of existing slopes under the heavy precipitation conditions.

Key words: Landslides, Failure Modes, Stability Evaluation, Mitigation