坝肩稳定

因此坝肩稳定分析和坝肩地基处理是修建拱坝能否成功的关键。

Therefore , abutment stability analyses and foundation treatment are the key to success in constructing arch dam or not .

基于随机有限元的拱坝坝肩稳定可靠度分析

Analysis on the reliability of the arch dam abutment stability based on stochastic finite element

拱坝坝肩稳定的三维地质力学模型试验研究岩石力学CT技术概述

The Study on Experiments of a Geological Mechanics Model with Three Dimensions for the Stability of an Arch Abutment

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。

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 .

本文对拱坝坝肩稳定分析方法进行概述，较为深入的研究了刚体极限平衡法，以及非线性有限元在ANSYS中的运用。

In this paper , author has a summary to method of stability of arch dam abutment , research method of limited rigid body equilibrium and nonlinear FEM simulation analysis for arch dam designs based on ANSYS .

本文基于大型有限元仿真软件ANSYS，研究了拱坝坝肩稳定安全系数的三种计算方法；并以垂直坡滑动面为研究对象，研究了接触面特性对抗滑稳定的影响。

The paper , based on ANSYS , a large FEM software for structure analysis , studies three methods of calculating abutment safety factor against sliding , and analyzes the effects of contact properties on stability against sliding by studying the slip surface in a vertical slope .

恒山水库左坝肩稳定问题及加固探讨

Discussion on Stability and Consolidation of Left Abutment of Hengshan Reservoir

拱坝形状参数及地基弹模对坝肩稳定的影响

Influence of Arch Shape and Foundation Modulus on Abutment Stability of Dams

温度荷载对拱坝坝肩稳定影响的探讨

Effect of Temperature Change on Abutment Stability of Arch Dam

洞坪双曲拱坝三维渗流及坝肩稳定分析

Analysis on 3D Seepage Field & Abutment Stability of Dongping Double-curved Arch Dam

拱坝坝肩稳定可靠度分析方法探讨

Analysis method on stability reliability of arch dam abutment

复杂地质条件下拱坝坝肩稳定地质力学模型试验研究

The Geomechanical Model Test on Stability of Arch Dam Abutment under Complex Geological Conditions

拱坝坝肩稳定是目前高拱坝设计中的一个重要而复杂的问题。

The analysis of stability of the arch dam abutments is important and complicated .

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 .

拱坝的坝肩稳定问题是目前拱坝设计和分析中的重要研究课题。

Abutment stability problem is very important in the design and study of arch dam .

采用单位高度的水平拱来计算各个高程的坝肩稳定。

Use the unit height of level arch to compute each altitude 's abutment stability .

大吨位预应力锚索对拱坝坝肩稳定的作用分析

Analysis of action of high-tonnage prestressed anchorage cables on stability of abutment of arch dam

高拱坝坝肩稳定三维地质力学模型破坏试验研究

Study on the Stability of High Arch Dam Abutment by Three-dimensional Geomechanical Breakage Model Test

有限元法在分析拱坝坝肩稳定中的应用

The application of finite element method in analysising arch dam spandrel 's stabilization degree of safety

结合溪洛渡高拱坝三维非线性有限元仿真分析，对拱坝设计规范采用的坝肩稳定的刚体极限平衡法的基本机理和假说进行了探讨。

Based on3D nonlinear finite element emulation analysis of Xiluodu arch dam , the fundamental and supposition of rigid-body limit equilibrium methods are discussed .

文中的最后部份，是以某大型高拱坝坝肩稳定分析的数值实例说明本文理论的应用及获得结果的合理性。

And finally a numerical example of the stability analysis of the dam abutments of a large-scale high arch dam shows the satisfactory application of the theories .

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。

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 .

接着，探讨比较了拱坝坝肩稳定分析方法，重点介绍了刚体极限平衡法和有限元法，比较了它们的优缺点，简单论述了坝肩稳定的失稳判据。

Then , were discussed the methods of stability analysis including the stability criterion of arch dam and its abutment , with attention being focused on rigid limited equilibrium method and FEM and the comparison of their advantages and disadvantages .

研究结果表明：高拱坝超载过程中各高程段的推力角均有所增加，这反映了拱坝具有较高超载能力的内在机制，也说明基于刚体极限平衡法的拱坝坝肩稳定分析成果偏于安全。

The results show that the thrust angles at different elevations increase during overloading , which reveal the internal mechanism of good performance of arch dam during overloading and the safety factor of the arch dam is underestimated by rigid body limit equilibrium method .

重力拱坝坝肩岩体稳定与工程处理对策

Gravity arch dam abutment rock stability and its engineering treatment measurements

混凝土拱坝横缝对坝肩抗震稳定的影响

Effect of Transverse Slots of Concrete Arch Dam on Abutment Seismic Stability

坝肩整体稳定分析

Entire Stability Analysis of Dam Abutment On Entirety Enterprise Planning

拱坝坝肩岩体稳定地质力学模型试验

A Research on Stability of an Arch Dam Abutments by Geomechanical Model Tests

小湾拱坝坝肩抗震稳定是安全的，但安全裕度不高。

However the dam is safe though the safety factor is not very high .

浅论拱坝坝肩抗震稳定

Study on dynamic stability of arch dam abutment