Combined with the improved JC method, a method for calculating the reliability of dam foundation failure was proposed, and the corresponding program was developed.
结合改进的JC法，提出了高坝坝基失稳可靠度的计算方法，并开发了相应的程序。
The results show that the failure of dam foundation is caused mainly by the extension of dam heel crack and the expansion of shear-yield zone of the foundation rock near the dam toe.
结果表明，坝基的破坏主要表现为坝踵裂缝的延伸和坝趾附近基岩剪切屈服区的扩展。
In this paper, through mathematically imitating the slightly inclined weak layer consolidated with shear keys in the gravity dam foundation, the failure mechanism of shear keys is studied.
本文采用有限单元法，对加固重力坝基础缓倾角软弱结构面抗滑硐塞系统的破坏机理进行了初步分析。
The failure pattern and influential factors are studied based on the interaction between gravity dam and foundation, which objectively estimates the global stability of the dam.
研究碾压混凝土坝和岩基两体相互作用的破坏模式和影响因素，以客观评价大坝整体的稳定性问题。
Study of abutment failure is important in stability analysis of arch dam-foundation systems. FEM cannot effectively simulate the faults and joints in rock foundations.
拱坝—地基系统稳定分析中对坝肩破坏的研究至关重要，而目前广泛采用的有限元法不能够有效地模拟岩石基础中断层、节理等薄弱面的不连续特性。
Study of abutment failure is important in stability analysis of arch dam-foundation systems. FEM cannot effectively simulate the faults and joints in rock foundations.
拱坝—地基系统稳定分析中对坝肩破坏的研究至关重要，而目前广泛采用的有限元法不能够有效地模拟岩石基础中断层、节理等薄弱面的不连续特性。
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