Reliability Analysis and Sampling Method Comparison of Jinjiling Rock Slope Based on Stochastic Response Surface Method

SHENGJianlong, ZHAIMingyang

doi:10.11872/j.issn.1005-2518.2018.03.297

Highlights

The non-invasive analysis model of Jinjiling rock slope stability is established based on the finite element sliding stress method and Hermite stochastic response surface method.The influence of four typical sampling methods like uniform sampling，LHS sampling，improved LHS sampling and stratified sampling on the random response surface’s fitting accuracy，slope failure probability and statistical characteristics of safety factor are studied.The results indicate that：（1）Jinjiling rock slope’s failure probability is about 18.4%，which is dangerous and needs proper support and reinforcement measures.（2）The random response surfaces constructed by LHS sampling and improved LHS sampling have better fitting accuracy，and the sampling allocation effect is better than that of stratified sampling and uniform design sampling.（3）It is suggested that the sampling allocation of random response surface should be calculated by improved LHS sampling or LHS sampling in the process of non-intrusive random analysis of slope reliability.

Cite this article

. Reliability Analysis and Sampling Method Comparison of Jinjiling Rock Slope Based on Stochastic Response Surface Method[J]. Gold Science and Technology, 2018 , 26(3) : 297 -304 . DOI: 10.11872/j.issn.1005-2518.2018.03.297

SHENG Jianlong,ZHAI Mingyang.Reliability Analysis and Sampling Method Comparison of Jinjiling Rock Slope Based on Stochastic Response Surface Method[J].Gold Science and Technology,2018,26(3):297-304.盛建龙,翟明洋.基于随机响应面法的金鸡岭岩质边坡可靠度分析及抽样方法对比[J].黄金科学技术,2018,26(3):297-304.

SHENG Jianlong,ZHAI Mingyang.Reliability Analysis and Sampling Method Comparison of Jinjiling Rock Slope Based on Stochastic Response Surface Method[J].Gold Science and Technology,XXXX,XX(XX):297-304.

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