| 1. | The re suits show the present method is more accurate and reliable than other methods 分析结果表明,在搜索斜坡滑裂面问题上遗传进化算法较其它搜索算法具有准确性和可靠性的优势。 |
| 2. | A new analysis method of interior stability of soil nailing wall complex genetic algorithm used for seeking the most dangerous sliding surface 深基坑土钉墙内部稳定性计算新方法最危险滑裂面复合遗传进化搜索策略 |
| 3. | The feasibility , efficiency and robustness of the proposed method are finally demonstrated with the stability analysis of a classic slope case 通过典型算例分析,证明应用进化策略搜索边坡任意形状最危险滑裂面是可行和高效的,并且具有较强的鲁棒性。 |
| 4. | Third , assay the intensity reliability of arm ' s body and the stability reliability of arm ' s base which take the crack surface into account with this sfem program . also calculate the index of corresponding reliability 然后运用随机有限元程序进行拱坝坝体强度和抗滑稳定(考虑滑裂面)的可靠度分析,并计算相应的可靠指标。 |
| 5. | To find out a method to calculate the system reliability of arc dam . and calculate it in two circumstance . assay the influence of the crack surface on the system reliability of arc dam 找出一种计算拱坝体系可靠度的方法,并计算两种情况下拱坝的体系可靠度,并分析是否考虑滑裂面对拱坝体系可靠度的影响,得出了一些有益的结论。 |
| 6. | The evolutional process of landslide can be clearly shown by computer simulation using the model , and the latter prove that the strength of soil on the whole slip surface bring impossibly into play at the same time 通过数值模拟,清晰地揭示了边坡渐进破坏的历时演化过程,且实例分析证实,土体的强度并非在整个滑裂面上同时发挥。 |
| 7. | A model is erected for fs with logarithmic spiral sliding surface which can simulate the genuine sliding surface better than others , then the express of fs is deduced based on the upper bound theorem of limit analisis 采用对实际滑裂面模拟较好的对数螺旋曲线滑裂面,建立了整体稳定安全系数f _ c的模型,从极限分析中的上限理论推导了整体稳定安全系数f _ c的表达式。 |
| 8. | Based on the combination of evolution strategy and limit equilibrium method , an effective global optimization method is proposed to allocate the most dangerous non - circular critical slip surface corresponding to the minimum factor of safety in slopes 摘要将进化策略与边坡稳定极限平衡法相结合,建立了边坡任意形状最危险滑裂面及相应最小安全系数的全局优化搜索方法。 |
| 9. | The most dangerous sliding surface and the corresponding minimum safety coefficient of slope stability with soil nail structure are searched by empirical genetic - simplex algorithm . the results obtained by empirical genetic - simplex algorithm are compared with the ones obtained by general genetic algorithm 用经验遗传-单纯形算法寻找了土钉支护结构最危险滑裂面及其对应的最小安全系数fsmin ,从而实现了十分重要但计算量很大、很繁琐的寻优过程。 |
| 10. | According to the special stratum condition 、 soil parameter 、 pile frame system in the protecting landslide of hongtian jianfeng in yongan city in fujian province , compile a fem program of plane strain and analyze the interaction by nonlinear fem on intensity discount . in the program , duncan - chang model is applied to earth , elasticity model is applied to pile and rock ; goodman element is set between pile and rock - earth and applied to simulate sliding plane and flexible floor ; sequential pole elements with original stress are applied to anchor cable 在程序中土体采用了duncan - chang双曲线本构模型,桩和锚固层以下的岩体采用了线弹性本构模型,并且在桩和岩土体间设置了无厚度的古德曼( goodman )单元,对于软弱夹层和已知的滑裂面也采用古德曼单元模拟,锚索采用的是具有初始应力的连续杆单元模拟。 |