摘要
边坡可靠度计算过程因其功能函数隐式特征及高度非线性而较为繁琐,结合Janbu法与Kriging插值函数方法建立一种易于操作的边坡可靠度计算方法。首先,根据Janbu法原理建立边坡可靠度计算的功能函数;然后,通过对变异性较大的参数进行拉丁超立方抽样,抽取一定规模的随机样本,同时引入Kriging插值函数方法,结合上述抽样样本构件新的功能函数,用Kriging代理模型解决原边坡稳定功能函数所存在的隐式问题;最后,通过一个工程实例,表明该方法具有较高的计算效率,与传统蒙特卡洛法相比,精度优良,具有很强的工程实用价值。
Slope reliability calculation process is more difficult by complicated characteristics and its implicit function of highly nonlinear function,In this paper,an easy-to-operate method slope reliability calculation has been established by Janbu method and Kriging interpolation method. First,creating a performance function of slope reliability calculation method based on Janbu principle. Then,the large variability of parameters were performed sampling through Latin Hypercube Sampling method,to extract a random sample of a certain size,while introduction of Kriging interpolation function method,and combined with new features function above sampling sample components to solve the implicit question of original slope stabilization function. Finally,an engineering example was analyzed by above method,show that how that the method has higher efficiency and excellent accuracy compared to traditional Monte Carlo method.
出处
《公路工程》
北大核心
2016年第1期143-146,156,共5页
Highway Engineering
基金
重庆市高等教育教学改革研究项目(113256)
作者简介
滕斌（1981-），男，四川德阳人，讲师，主要从事建筑及岩土方面教学及研究。
