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。
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.
该方法不仅能够考虑土的应力应变性质,而且能够在任意时刻确定最危险滑动面的位置及安全系数。
The method not only can consider behavior of stress strain of soil, but also can determine the most dangerous slip surface and its factor of safety at any time.
通过在边坡滑弧上进行线积分,得出边坡在不同时刻的整体安全系数,进而提出了路堤边坡降雨作用下“小弧滑动”的概念。
The global safety factors were calculated by the stress integration along a slip line and a concept of "small slip failure" was introduced in stability of the embankment slope.
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 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.
为了方便,只计算了按安全系数法搜索最危险滑动面上的可靠度指标。
For convenience, only the reliability index of the dangerous gliding plane is given, and the dangerous gliding plane is searched by the safety coefficient method.
确定了滑动面的位置和形式,然后用刚体极限平衡法计算安全系数。
We get the form and position of failure surface, and then calculate factor of safety with general limit equilibrium method.
并在安全系数为最小的条件下,讨论了滑动面几何参数之间以及它们与安全系数之间的关系。
Under the condition of the least factor of safety, the relations are discussed between the geometry parameters of slip surfaces and the factors of safety.
最后基于该方法计算的应力场,应用并行组合模拟退火算法搜索坝基最危险滑动模式及相应的最小安全系数。
Finally, based on the stress fields of FEM analysis, the most dangerous sliding mode and the minimum anti-sliding factor are searched by parallel recombination simulated annealing algorithm.
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。
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.
应用这种搜索边坡滑动面的方法讨论了不同参数对边坡滑动面位置及安全系数的影响。
Application this method of search slide surface of slope, the different slope parameters to effect of the position of dangerous slide surface and safety factory have been discussed.
本文首先借助于极限平衡方程以及莫尔-库仑强度理论,建立计算双滑块安全系数的表达式,然后,以该表达式作为目标函数,利用优化理论探讨了双滑块最厄险滑动面的确定方法。
In this paper the equation has been developed for calculating the factors of safety of the double sliding blocks by means of the limit equilibrium and the Mohr-Coulomb strength theory.
利用随机走步法不断更新试算滑动面,使其安全系数不断减小。
The trial slip surfaces are verified frequently by the random walking method and gradually tend to the critical slip surface.
根据遗传算法的思想和拟静力瑞典法基于圆弧滑动面的假定,提出一种用遗传算法搜索最危险滑动面及其对应的最小安全系数的方法。
According to the quasi-static seismic stability analysis of slope, a new method based on the assumption of circular slip surface is established.
此外,考虑到DDA可以准确解决的切线的滑动力,合理的安全系数可以通过以下方式获得结合强度降低的方法。
In addition, considering that DDA could accurately solve the tangential sliding force, the reasonable factor of safety could be obtained by combining strength reduction method.
给出了具有折线滑动面的滑坡体抗滑稳定安全系数计算实例,结果表明该方法有效、合理和可靠。
An example of the safety factor against a broken-line slide plane is analyzed. It demonstrates that the method suggested in this paper is effective, rational and reliable.
强度参数对滑动面形迹的影响较小,但对安全系数的影响较大。
The strength parameters have slight effects on the slide track, but have relative strong effects on the safety factor of slope.
并在安全系数为最小的条件下,讨论了滑动面几何参数之间以及它们与安全系数之间的关系。
Under the condition of the least factor of safety, the relations are discussed between the geometry parameters of slip surfaces...
并在安全系数为最小的条件下,讨论了滑动面几何参数之间以及它们与安全系数之间的关系。
Under the condition of the least factor of safety, the relations are discussed between the geometry parameters of slip sur...
定义3将安全系数定义为沿某一特定滑面的抗滑力比滑动力。
Definition 3 defines the safety factor as the ratio of the resistant shear force to the driving shear force along a certain slip surface.
对比分析了小湾高拱坝两种不同渗压作用下,坝肩滑动块体安全系数的变化情况。
This paper investigates the favourable impact of the central dumping during high arch dam abutment excavation on river closure.
对比分析了小湾高拱坝两种不同渗压作用下,坝肩滑动块体安全系数的变化情况。
This paper investigates the favourable impact of the central dumping during high arch dam abutment excavation on river closure.
应用推荐