It is indicated that the dynamic amplification of abutment rock body and dam-water-foundation interaction should be considered in the aseismatic stability analysis for high arch dam abutment.
指出高拱坝坝肩稳定分析应考虑坝肩岩体的动力放大和坝-地基-库水的动力相互作用，算例表明所提方法的实用价值。
Basic theory of nonlinear FEM analysis and its realization in ANSYS were studied. Accomplish stability analysis of high arch dam abutment based on nonlinear FEM analysis.
因此对大型结构分析软件ANSYS的三维非线性计算功能进行了深入研究，在此基础上完成了基于非线性有限单元法的高拱坝坝肩稳定计算分析。
Three essential factors, the stress of arch dam, the stability of arch dam abutment and the cost of it must be considered.
拱坝体形设计要考虑的三个基本要素是：坝体应力、拱座稳定和工程造价。
The stability analysis of arch dam abutment rock mass include numerical method analysis and model experiment analysis.
拱坝坝肩岩体的稳定分析方法包括数值分析法和模型试验法。
For the resistance and mountain body of Shuanghe arch dam is thin and weak, safety factor of abutment stability is low.
双河拱坝抗力体山体单薄，坝肩的稳定安全度均比较低。
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。
The dynamic stability analysis of rock mass in high arch dam abutment is one of the main contents of anti-seism research of high arch dam.
高拱坝坝肩岩体动力稳定性分析是高拱坝抗震研究的主要内容之一。
The stability of the abutment rock mass is directly related to the stability of the arch dam.
拱坝坝肩岩体的稳定与否直接关系着拱坝的安全。
This paper studies the stability of arch abutment by using the finite element method.
本文采用有限元法，研究了拱坝坝肩稳定问题。
This paper studies the stability of arch abutment by using the finite element method.
本文采用有限元法，研究了拱坝坝肩稳定问题。
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