| 1. | Analysis of arch dam - abutment stability by 3d deformable distinct elements
坝肩三维可变形离散元整体稳定分析 |
| 2. | Analysis of dam abutment stability of tianfumiao reservoir and reinforcement design
天福庙水库坝肩稳定分析及加固设计 |
| 3. | Analysis on the reliability of the arch dam abutment stability based on stochastic finite element
基于随机有限元的拱坝坝肩稳定可靠度分析 |
| 4. | In the paper , based on random block theory , a mathematical model is developed for reliability analysis of 3 - dimensional abutment stability against sliding . calculative formulas of reliability analysis are given
本文以随机块体理论为基础，建立了拱坝坝肩三维可靠度分析的计算模型，推导了分析其可靠度的基本公式。 |
| 5. | Based on the theories of finite element and reliability , the basic idea about application of the stochastic finite element method used to analyze the abutment stability against sliding of the arch dam is presented in this paper
本文以有限元理论和可靠度理论为基础，提出了应用于拱坝坝肩抗滑稳定分析的随机有限元的基本思路。 |
| 6. | Moreover , based on routine research method on abutment stability , non - linear finite element shear strengthes reducing by step iteration method is put forward in this paper , which is also applied in the analysis of abutment stability of tengzigou arch dam successfully
在此基础上，介绍了非线性有限元强度折减迭代解法，探讨了复杂地基上拱坝整体稳定安全度的评价方法，并应用于藤子沟拱坝稳定安全度评价。 |
| 7. | At first , the basic theory and general process of the abutment stability against sliding of the arch dam with common definite solution ( the limiting equilibrium method of the rigid body and finite element method ) are simply developed . then combined with , reliability computation , the stochastic finite element method is used to establish the relationship between the load effect ( stress or force ) and basic stochastic variable dealing with statistical features of variables . based on the stochastic finite element method , the reliability of the arch dam abutment stability against sliding is analyzed , and the corresponding reliability index is calculated
首先简要介绍用传统定值方法(刚体极限平衡法和有限单元法)分析拱坝坝肩抗滑稳定的基本原理和一般过程，再与可靠度理论相结合，考虑变量的随机特性，通过随机有限元法建立荷载效应(如应力、内力等)与基本随机变量之间的关系，然后在随机有限元的基础上进行拱坝坝肩抗滑稳定的可靠度分析，计算相应的可靠指标。 |
| 8. | Meanwhile , the influence of the distribution types , cut - tail and correlation of the stochastic variable on the reliability is discussed finally , the application of the arch dam abutment stability against sliding analysis with the way of common definite solution and stochastic finite element method is tested by one practical example analyzed and calculated in our province
并讨论了随机变量的分布类型、截尾情况以及相关关系对可靠指标的影响。最后对我省一实际工程进行计算和分析，验证传统定值分析方法及随机有限元方法在拱坝坝肩抗滑稳定分析中的应用。 |
| 9. | Thereby drew a conclusion that variability of stochastic variable has remarkable effect on the reliability . and the different stochastic variable has different effect on the reliability while the variable quotiety increasing . the obtained results shown that the calculating method presented in the paper can be widely used in reliability analysis of abutment stability against sliding
从而得到以下结论：在坝肩岩体可靠性计算中，各随机变量的变异性对坝肩岩体的整体可靠性有显著影响，且不同的随机变量，当其变异系数有所增大时，对可靠指标的影响程度是不一样的。 |
| 10. | And it is proved that the fuzzy factors can make the abutment lapse . based on the fuzzy theory and the probability , the models of the fuzzy synthetical judgement and the fuzzy - random reliability of the abutment stability are set up . nearly all factors can be involved in the method of the fuzzy synthetical judgement in theory , and the calculation is simple
本文根据zadeh教授提出的模糊集合理论，利用基于模糊数学的模糊综合评判法和概率理论，以及目前广泛应用在各类工程安全度评价中的结构可靠度理论，分别建立了坝肩岩体稳定的模糊综合评判法和模糊随机可靠度计算模型。 |
