滑坡和边坡稳定性分析的模拟退火-随机搜索耦合算法  

COUPLING ALGORITHM OF SIMULATED ANNEALING ALGORITHM AND RANDOM SEARCH METHOD FOR SLOPE STABILITY ANALYSIS

作　　者：邹广电[1] 陈永平[1] 

机构地区：[1]南京水利科学研究院土工研究所,南京210024

出　　处：《岩石力学与工程学报》2004年第12期2032-2037,共6页Chinese Journal of Rock Mechanics and Engineering

摘　　要：首先,建立了一个可适用于滑坡和边坡在任意复杂条件下进行一般滑裂面的稳定性分析的优化数值分析普遍模型;然后,利用模拟退火算法和随机搜索法的各自的特长和优点,有机地将两种算法结合起来建立了一种可用于求解所建立的优化数值分析普遍模型的耦合算法,并对世界范围内被广泛引用的3个工程实例进行了分析,结果表明,该方法是可行的和高效的。For the stability analysis of slope of non-circular slip surface,any partial optimization solution is possible to overvalue the safety factor. In this paper,a general optimization model applicable to optimization analysis of slope stability under any complex conditions,including complex boundary and shape of slope surface and soil data,is firstly presented,and then a coupling algorithm of simulated annealing algorithm and random search method is introduced for giving a global search method of slope stability analysis. Such a coupling algorithm combines the merits of the two methods. Three practical examples,with minimum safety factors and associated slip surfaces known,are carefully calculated and analyzed,and the feasibility and efficiency of the proposed coupling algorithm are proved.

关 键 词：土力学 滑坡 边坡 稳定性分析 一般滑裂 模拟退火算法 随机搜索法 耦合算法 

分 类 号：P642.22[天文地球—工程地质学]