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铜川新川滑坡是一典型的人为工程活动引起的地质事件。滑坡直接威胁着新川水泥厂的生产系统和一些主要辅助设施,它的孕育和发展成为该厂致命性的隐患。本文在全面调查和必要的探测基础上,根据滑坡的场地条件和破裂特征,用力学的观点对滑坡的破裂机制进行了分析。结果指出,导致坡体破裂的主要原因是坡体内部自重应力场变化的结果,并把破裂过程划分为三个阶段,为进行稳定性评价和治理设计提供了依据。
The Tongchuan Xinchuan landslide is a typical geological event caused by man-made engineering activities. The landslide directly threatened the production system of Xinchuan Cement Plant and some major auxiliary facilities, and its gestation and development became a fatal hazard to the plant. Based on the comprehensive investigation and necessary exploration, this paper analyzes the mechanism of landslide rupture based on the site conditions and rupture characteristics of the landslide. The results show that the main reason of slope failure is the result of the change of self-weight stress field inside the slope, and the rupture process is divided into three stages, which provides the basis for the stability evaluation and treatment design.