• 责任者：Zhang Mingrui (Earth Sciences ; Nanjing University ; Nanjing 210093 ; China) ; Chen Zhengzhou
• 刊名：Journal of Engineering Geology
• 出版年：2011
• 卷期：19（2）
• 关键词：边坡稳定性 ; slope stability ; 模拟退火算法 ; simulated annealing algorithms
• 页码：p.181-186
• 图表：5 illus., 5 tables, 15 refs.
• 分类号：1702
• issnNo：ISSN1004-9665
• isbnNo：CN11-3249/P

More than one local minimum of the factor of safety can be encountered in stability analysis of complex slopes. So, how to obtain minimal factor of safety remains a significant issue in stability analysis of complex slopes. Based on simplified Bishop method, a new heuristic global optimization algorithm called Intelligent Single Particle Optimizer (ISPO) is proposed to search for the critical slip surface of complex slope in this paper. The simulated annealing mechanism is considered so as to help ISPO to escape from local minimums quickly. The ISPO with simulated annealing (SA) mechanism combines the merits of the two algorithms. Comparing with other methods, the results demonstrate that the combined SA-ISPO algorithm has sufficient calculating precision and stability, as well as high searching efficiency. And also the SA-ISPO has efficient global searching ability because the result is independent of searching range.