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。
Analysis of stability is one of the complicated problems in arch dam designing.
拱坝稳定分析是拱坝设计中较复杂的问题之一。
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 strength and stability analysis of Super-high arch DAMS built in conditions of complex topography and geology is an important subject in arch dam design and research.
复杂的地形地貌和地质条件下特高拱坝的强度与稳定分析是目前拱坝设计和分析中的重要研究课题。
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。
Base stability analysis is very important in the design and analysis of arch dam.
拱坝坝基稳定问题一直是拱坝设计和分析中关注的重要课题。
The stability of arch dam against elastic buckling has always been ignored.
拱坝的抗屈曲稳定性一直是未被重视的问题。
According to the theory for stability of motion, the failure of arch dam along the base is regarded as the problem of stability at extreme state of motion.
本文从运动稳定性的理论出发，认为拱坝沿建基面的强度破坏实质上是稳定性问题，属于极值点失稳。
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。
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 results show that the displacements, stresses and overloading capacity of Maji arch dam meet the requirement of stability; and the current construction project for Maji dam is feasible.
结果表明，马吉拱坝的位移、应力和超载稳定能力均达到稳定要求，马吉拱坝现施工方案基本可行。
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。
In this paper, both 3-d finite element computations and structural model tests were applied to the stability of Niutoushan arch dam.
以牛头山拱坝为工程实例，分别进行了三维有限元计算和结构模型试验。
By employing large concrete buttress and anchorages, the reinforcement measures are proposed for the stability of this arch dam.
通过研究，建议采用垫座及锚索等加固措施，使大坝整体处于平稳状态。
By employing large concrete buttress and anchorages, the reinforcement measures are proposed for the stability of this arch dam.
通过研究，建议采用垫座及锚索等加固措施，使大坝整体处于平稳状态。
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