| 1. | This roughness occurs on a small scale, involving grain boundaries and failure surfaces .
小规模的粗糙度涉及到颗粒边缘和破坏表面。 |
| 2. | Random simulation of critical slope failure surface
斜坡临界滑动面随机模拟及稳定性评价 |
| 3. | Improving on assumption for water pressure distributing on failure surface in rock slope
岩石边坡中滑动面水压分布假设的改进 |
| 4. | Through analyzing those calculations , it gets some significant conclusions about the potential failure surface of the steep reinforced slopes
通过对计算结果分析，论证了关于加筋陡坡潜在破裂面的有意义的结论。 |
| 5. | Firstly beginning with the strain - stress relationship of rc materials , the failure criteria , failure surface and various failure model of concrete is discussed respectively
本文首先从钢筋混凝土材料的弹塑性本构关系着手，详细讨论了混凝土的破坏准则、破坏曲面以及各种破坏模型。 |
| 6. | For circle failure surface , this paper uses ga ' s theory to search the center of a circle and the radius of it separately , and based on simple bishop method to compute the safety factor ( f ) , and compiled program successfully
针对圆弧形滑动面法，采用嵌套式的遗传算法分别对滑动圆弧的圆心、半径进行遗传进化搜索，基于简化bishop原理进行稳定系数的计算，成功的编制了程序。 |
| 7. | Abstract : based on soil plasticity and limit analysis theory , the second failure surface of backfill behind retaining wall with gentle back surface are studied from two view points of maximum active soil pressure and minimum resistive overturning safety factor , and it is further considered that the minimum resistive overturning safety factor is the best approach to studying the failure mechanism of backfill under complex back surface conditions of retaining structures
文摘:基于土的塑性极限分析理论，从挡土墙最小抗倾覆安全系数和挡土墙背上的最大主动土压力两个角度，分别研究了坦墙后土体中第二破裂面的位置，认为在复杂的挡土结构墙背条件下，用最小抗倾覆安全系数来研究挡土墙后土体的破坏机制较为合理。 |
| 8. | Through the description of limit equilibrium state and slope stability analysis by strength reduction fem , the safety factor is got , at the same time , the critical failure surface is found automatically . these conclusions testified that this method is practicable if there are detailed investigation , reasonable model and favorable software
通过与传统稳定性计算成果的对比分析，表明：只要调查充分，模型合理，加上良好的计算分析程序，对非贯通性节理岩体高边坡的稳定性评价，有限元强度系数折减法是确切可行的。 |
| 9. | Single parameter provides little message and sometimes it is difficult to make an exact evaluate . in this paper , by testing the sensitivity of the system model , three parameters are selected as sensitive parameters , and based on simulation result of the system model , three dimension failure surface is used for alarm criterion and arithmetic of the alarm is carried out
单一参数提供的信息较少，有时难以作出准确的评价，本文通过对系统模型的灵敏度测试，选取三个参数作为灵敏参数，根据系统模型的仿真结果，以三维失效面作为报警判据，并实现了报警算法。 |
| 10. | Measured results from in - site loading tests in tannin harbor and from in - door model tests were compared with predictions from the limit equilibrium methods . a method of estimating the bearing capacity for inhomogeneous medium was suggested to meet every case ; 4 . according to the results from model tests , the elastoplastic fem were performed to study the procession of the change of the stress and strain in inhomogeneous medium and to simulate the procession of the forming of the failure surface during loading , and the failure mechanism was studied ; 5
4 、结合模型试验结果，确定出了符合非均质介质规律的弹塑性模式，在此基础上分别运用二维、三维弹塑性有限元程序，模拟出了外荷载作用过程中非均质介质内部应力、变形以及破坏面的发展过程，分析得出了非均质介质地基的破坏机理； 5 、在港口工程地基设计当中，已经引入了可靠度理论计算分析基础稳定性。 |
