slope safety factor

It is unsuitable to evaluate the anti-slide stability of the slope under seismic load by using the minimum slope stability safety factor that occurs at one moment during the process of earthquake.

地震荷载作用下边坡的失稳过程与地震作用过程密切相关，以出现在某一瞬间的时间过程中的最小安全系数作为评价边坡稳定性的指标是不合理的。

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The analysis shows that the gravity increase method has a very high precision when the slope safety factor is closer to 1.

分析表明：当边坡安全系数接近于1时，用重度增加法计算具有相当高的精度。

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In addition, a numerical analysis of slope stability analysis, using indirect methods can also be obtained for the slope safety factor.

另外，在采用数值分析法进行边坡的稳定性分析时，还可以采用间接地方法为边坡得出安全系数。

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Four degree-of-freedom completely coupled method is used for coupled analysis of the rock slope, and the safety factor of the rock slope is calculated by use of the strength reduction FEM.

用裂隙岩体渗流与应力耦合分析的四自由度全耦合法对岩质边坡进行耦合分析，通过强度折减有限元法求解岩体边坡的稳定安全系数。

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This method is applied to an example, whose height is 14.3 m. When the slope ratio is 1 ∶ 1.5, the safety factor is ( 0.91), the slope is instable.

用该方法对广西兴业&六景高速公路一处挖方膨胀土边坡工程实例进行了分析，结果表明，边坡高度为14.3m，坡率为1∶1.5时，稳定系数为0.91，处于不稳定状态；

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Effect of cohesion on evaluating slope stability factor of safety by DDA method

DDA法计算边坡安全系数的黏聚力影响分析

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Slope safety factor by methods of particle flow code strength reduction and gravity increase

颗粒流强度折减法和重力增加法的边坡安全系数研究

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The result indicates, there is obvious regularity to the three kinds of strength theory calculate the slope safety factor received, introduce the tri-shear failure theory, the stability of the slope improves to some extent, and the slope tends towards stability further.

结果表明，三种强度理论分别计算得到的边坡安全系数有着明显的规律性，引入三剪强度理论，边坡的稳定性有所提高，边坡更加趋于稳定。

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To unknown slip surface slope, ascertaining the location of the critical slip surface is the key problem in the process calculating the slope stability safety factor by traditional methods.

对未知滑动面边坡，临界滑动面位置的确定是传统计算边坡稳定安全系数方法中的关键问题。

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The results indicate that when earthquake load is calculated with the use of suggested dynamic seismic coefficient figure, seismic force in the dam body decreases, which result in the reduction of slide moment of soil trips and the increase of dam slope safety factor.

结果表明，在使用地震动态分布系数建议图计算地震力时，坝体所受的地震荷载有所减小，导致土体滑动力矩相应减小，安全系数有所增加。

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Combining with an engineering example, the dynamic stability factor of the slope was calculated through the pseudo-static method, dynamical finite element slope safety factor time history methods and complete dynamic analysis method.

结合一工程实例，分别用拟静力法、有限元安全系数时程分析法和完全动力分析法求解边坡的动力安全系数，根据计算结果提出了几种合理的评价边坡动力稳定性的方法。

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Study on the Impact of Slope Main Elements on Safety Factor

边坡主要要素对其安全系数影响的研究

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Based on the original definition of slope safety factor, centrifuge loading finite element method ( CLFEM) is presented by the "virtual state" of slope for the analysis of slope stability.

从边坡安全系数的基本定义出发，通过边坡“虚拟工况”概念，提出有限元离心加载分析边坡稳定性的方法。

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Discussion on rock slope's stability safety factor against sliding

对岩体边坡抗滑稳定安全系数取值的商榷

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According to different most likely safety factors and their failure probabilities, we made a divisional chart of slope stability and set up dual index system of slope stability combing safety factor and reliability.

根据不同最大可能安全系数及它的临界破坏概率，绘出边坡稳定性分区图，并建立安全系数和破坏概率相结合的边坡稳定性判别的二元指标体系。

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Contact element is combined with slope stability problem and a new calculation method of slope safety factor is put forward based on partial failure theory.

在边坡稳定问题的研究中引入了接触单元的概念，基于局部破坏理论，提出了一种新的边坡稳定系数的计算方法。

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Modification of wire-rope safety factor for slope aerial passenger device

斜井架空乘人装置的钢丝绳安全系数的修改

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Furthermore, with improved limit equilibrium method and strength reduction technique, the influence of dynamic seismic coefficient upon slope safety factor and critical slide surface of high earth and rockfill dams is analyzed.

然后利用改进的极限平衡法和强度折减法分析了地震动态分布系数对高土石坝坝坡抗震安全系数和临界滑动面的影响。

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With rock discontinuity as the main factor and rock loading relief and slope safety as the verification factor, the high slopes of this project were divided into five geological engineering categories.

建立了以控制性结构面组合特征为首要分类要素、以岩体卸荷特征和边坡安全等级为修正要素，将枢纽区边坡分为5种地质工程类型，探讨了各类边坡的可能失稳模式；

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However, the studies on optimization design of lattice beams with pre-stressed anchors, the stress distribution law in the slope and the safety factor calculation of the slopes after reinforcement are very rare.

然而，目前对预应力锚索格构梁优化设计、边坡体内附加应力的分布规律以及加固后边坡安全分析方法研究甚少。

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The method can automatically search for the sliding surface slope and the corresponding safety factor.

该方法可以自动搜索滑（边）坡滑动面并计算相应的安全系数，是进行滑（边）坡稳定性及滑坡灾害预测的有效分析方法。

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Stability analysis of high rockfill slope indicates that safety factor of nonlinear analysis is bigger than linear analysis.

对几座高土石坝的坝坡稳定分析表明，使用对数形式的非线性强度准则得到的坝坡计算安全系数比按线性强度准则计算的安全系数要高。

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After detailed analysis, had geted the district slope safety factor.

经过具体分析计算，得到各区边坡安全系数。

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After the critical slip surface confirmed, the subsystem separates inclining the slope automatically and computes the slope safety factor.

最危险滑裂面确定后，稳定分析子系统根据结构面特征自动对边坡体进行斜条分，计算出正常工况和暴雨情况下边坡的稳定系数。

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The traditional certain safety factor method is used to evaluate the slope stability by scholar worldwide, but the randomicity of parameters is not considered in this method, so it has some errors compare with reality.

国内外学者评价其稳定性多用传统的确定性安全系数法，但这种方法不考虑参数的随机性，故与实际有较大的误差。

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Arrow key to power through the analysis of the seismic force to determine the structure facing the sector under the friction angle, rock slope stability safety factor and the critical slope excavation.

通过对关键力矢的分析，可以确定出地震力作用下结构面临界摩擦角、岩质边坡稳定的安全系数和开挖临界坡度。

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On the basis of the slice and gravity increase methods, a fundamental principle of couple analysis, and a procedure for calculating the slope safety factor were put forward.

结合有限元方法或有限差分法和极限平衡法各自的优点详细分析边坡稳定性，提出了基于条分法和容重增加法耦合分析的基本原理及边坡安全系数的计算程序。

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Slope stability is the key factor of safety in production in surface mine.

边坡稳定性是确保露天矿安全生产的重要因素.

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The results also show that the dip angle of the joint determines the slope safety factor and the potential slip range. The steeper joint sets affect less the slope stability.

节理倾角与边坡安全系数、潜在滑动范围密切相关，陡倾角节理对边坡稳定性影响较小。

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The results obtained are as follows: 1.The analysis results using the geological datum shows that the stability of the landslide slope, and the safety factor cannot satisfy the requirement.

取得的成果如下：1、大量的地质资料和现场分析表明，双谊乡大坡上滑坡坡体的稳定性不能满足要求，安全储备不够。

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