It is indicated that the factor of safety of slope after stabilization is 1.33 when it is excavated to the designing roadbed; and it can meet the safe demand of the engineering.
计算结果表明,支护后开挖到设计路基的安全系数是1.33,可满足工程安全的需要。
To solve these problems, multi-grid method is adopted to establish structural grid for finite element computation and slip surface grid for computing factor of safety of slope stability, respectively.
为了解决这些问题,采用多重网格法建立结构的有限元计算网格,滑动面的边坡稳定性安全系数的计算网格,分别。
In order to study the effect of elastic modulus e, to the safety factor and slip plane of slope, a numerical model is founded in plane strain mode for homogeneous soil slope.
为了研究弹性模量对边坡安全系数和滑动面的影响,建立均质土坡数值模型,在不同工况下(无锚和有锚),分别改变弹性模量,分析它与安全系数和滑动面的关系。
The key problem of stability analysis of roadbed slope is how to determine the most dangerous sliding circle and calculate the minimum safety factor, this is a nonlinear problem.
路基边坡稳定性评价的关键是如何确定最危险滑裂面的位置并计算与之相对应的安全系数,是非线性优化问题。
This paper set up limit equation of reliability analysis for factor of safety method in the stability analysis method of slope.
本文针对土坡稳定分析方法中的安全系数法建立了可靠度分析的极限方程。
The stability assessment of Beimengou slope is achieved on the basis of the safety factor calculated by the strength reduction FEM.
利用有限元强度折减系数法求得的滑坡安全稳定性系数进行北门沟滑坡稳定性评价。
The factor of safety is the function of slip surface, only the minimal factor of safety can describe the slope stability.
边坡安全系数是可能滑面的函数,而只有最小安全系数才可代表边坡的安全程度。
The results show that the local unstability of Dayantang slope will not occur, and the minimum safety factor of the entire slope is about 1.143.
经计算分析,大岩淌边坡的破坏模式是整体破坏,其整体安全系数约为1.143,不存在新的局部滑动破坏模式。
The probability of slope failure and distribution of safety factor are ascertained, which can show the slope stability as better.
边坡可靠性分析方法得出了边坡破坏的概率和安全系数分布,更好地描述了边坡的稳定性。
The combination of comprehensive safety factor method and reliability method is much advantageous than the single safety factor method in the analysis of slope stability.
综合安全系数和可靠度方法进行边坡稳定分析比单一采用安全系数法具有明显优势。
On the basis of this, the effects of material parameters on safety factor of rock slope are studied.
在此基础上,研究了材料参数对岩质边坡安全系数的影响。
In this paper, relationship is also investigated between the parameters of the rock slope under the condition of the minimum safety factor and some meaningful results are obtained.
此外本文还探讨了在安全系数最小的条件下,边坡参数间的关系,并得出一些有意义的结果。
Slope stability analysis of the natural slope showed that heavy rainfall infiltration could decrease the factor of safety dramatically while evaporation could increase the factor of safety slowly.
通过对边坡开挖之前的自然边坡的稳定性分析,降雨入渗可以使边坡土体的安全系数急剧降低而蒸发则可以使边坡土体的安全系数缓慢升高。
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。
The strength reduction FEM is applied to the stability analysis of slope. The basic principle of this method and the definition of safety factor, yield rule and instability criterion are discussed.
将有限元强度折减法应用于边坡稳定分析中,探讨了该方法的基本原理、安全系数的定义、屈服准则和失稳判据等。
Some papers have analyzed the seismic stability of the rockfill dam slope by the nonlinear shear strength of the rockfill material. But the suited safety factor criterion was not clarified.
已有文献采用非线性抗剪强度分析堆石坝的抗震稳定性,但该方法的安全标准少见论证。
Analyzing the whole blasting vibration process at a certain time step, then the time history curve of the dynamic stability safety factor of the slope under blasting vibration could be got.
以某一时间步长进行整个爆破过程的计算,可得到相应的爆破动力作用下的边坡动力稳定性安全系数时程曲线。
Different precipitation patterns and permeability coefficient of roadbed soil were analyzed by the calculation examples, the variation laws of changes of slope safety factor was summarized.
通过算例就不同降水模式、不同渗透系数的路基土进行对比分析,总结了边坡安全系数的变化规律。
Base on the above, the instantaneous safety factor of slope can be found by use of general methods of slope stability...
在此基础上瞬态的斜坡安全因数即可通过常规的稳定性分析方法求得。
Compared that shear strength reduction technique which can only getting the overall safety factor of slope, Zone safety factors reflect various parts of slope stability.
相比强度折减法只能得到边坡的整体安全系数而言,单元安全系数能够反映边坡每个部位的稳定程度。
The minimum factor of safety of an unsaturated soil slope is analyzed with the changes of different parameters.
通过具体算例,对安全系数比和重度对最小安全系数的影响进行分析。
Most likely safety factor (mean safety factor) was calculated with average value of parameters, and reliability of slope was calculated with variability of safety factor.
取影响参数的平均值,计算得到最大可能安全系数(中值安全系数)。
The nonlinear stress-strain relationship was considered, meanwhile the calculation of safety factor of slope becames easy.
这样不仅考虑了土体的应力-应变关系,同时能很方便的计算出土坡稳定的安全系数。
The learned knowledge is then used for extrapolating prediction of the safety factor of new slope, Compared with the safety factors predicted by the limit equilibrium and m…
与极限平衡法和极大似然法的估计结果进行了比较,可以看出,神经网络方法具有推广预测精度高、自学习功能强、考虑不确定性能力强等特点。
The learned knowledge is then used for extrapolating prediction of the safety factor of new slope, Compared with the safety factors predicted by the limit equilibrium and maximum likelihood …
与极限平衡法和极大似然法的估计结果进行了比较,可以看出,神经网络方法具有推广预测精度高、自学习功能强、考虑不确定性能力强等特点。
The learned knowledge is then used for extrapolating prediction of the safety factor of new slope, Compared with the safety factors predicted by the limit equilibrium and maximum likelihood …
与极限平衡法和极大似然法的估计结果进行了比较,可以看出,神经网络方法具有推广预测精度高、自学习功能强、考虑不确定性能力强等特点。
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