Abstract: Genetic?algorithm?is?a?kind?of?fully?optimized?algorithm?to?simulate?the?process?of?biological?evolution.?The?landslide?global?stability?analysis?is?based?on?genetic?algorithm,in?which?landslide?stability?coefficients?are?taken?as?the?objective?functions?;?N?slides?of?slope?are?selected?stochastically?as?initial?population,?and?center?coordinates?and?radius?of?the?slide?are?taken?as?variants?to?simulate?the?process?of?biological?evolution.?The?slide?with?minimum?stability?coefficients?is?searched?out?by?the?survival?of?the?fittest?mechanism.?This?method?is?used?to?analyze?the?global?stability?of?Simianshan?landslide?and?has?confirmed?its?higher?reliability?in?analyzing?the?complex?anisotropic?slide?by?contrasting?with?the?values?got?by?transfer?coefficients?method.

Key words: landslide , stability , genetic algorithm , Simianshan ;

摘要： 遗传算法是一种模拟生物进化过程的一种全优化算法,基于遗传算法的滑坡整体稳定性分析方法,以滑坡的 稳定系数为目标函数,随机选择边坡中的N个滑面为初始种群,以滑面的圆心坐标和半径作为变量,模拟生物进化 过程,按优胜劣汰机制搜索滑坡中稳定系数最小的滑面。将此方法用于分析四面山滑坡整体稳定性,并对照传递 系数法计算值,验证了该方法在分析土层复杂的非均质滑坡中具有更高可信度。

关键词: 滑坡, 稳定性, 遗传算法, 四面山