DOI: 10.1007/s11069-021-04651-7
论文题名: A search method for probabilistic critical slip surfaces with arbitrary shapes and its application in slope reliability analysis
作者: Liu Y. ; Ren W. ; Liu C. ; Fu G. ; Xu W. ; Cai S.
刊名: Natural Hazards
ISSN: 0921030X
出版年: 2021
卷: 107, 期: 2 起始页码: 1657
结束页码: 1679
语种: 英语
中文关键词: Monte Carlo simulation
; Online sequential extreme learning machine
; Sequential quadratic programming algorithm
; Slip surface search algorithm
; Slope reliability analysis
英文关键词: algorithm
; computer simulation
; extreme event
; machine learning
; Monte Carlo analysis
; reliability analysis
; slope stability
英文摘要: The Monte Carlo simulation (MCS) is generally accepted as an accurate approximation method in slope reliability analysis. However, low efficiency hinders its use. Based on the online sequential extreme learning machine (OS-ELM), the OS-ELM-MCS method is proposed, which overcomes the requirement of calculating the safety factor, respectively, when using a conventional MCS for reliability analysis. Combined with the multi-initial points sequential quadratic programming (MSQP) algorithm, a search method for probabilistic critical slip surfaces with arbitrary shapes is introduced. It is possible to conduct both a reliability analysis and deterministic analysis under the same algorithm framework. Based on the proposed method, reliability and deterministic analyses of two cases are carried out. Compared with the results of other methods, the accuracy of the reliability and deterministic analysis method is verified. This verifies that the accuracy and time performance of the proposed method are better than those of conventional algorithms. The results of these case studies reveal the differences between the conclusions of the reliability and deterministic analyses. Therefore, it is necessary to combine reliability analysis and deterministic analysis to improve the credibility of stability analysis results. © 2021, The Author(s), under exclusive licence to Springer Nature B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/169181
Appears in Collections: 气候变化与战略
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作者单位: Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, China; University of Chinese Academy of Sciences, Beijing, 100049, China
Recommended Citation:
Liu Y.,Ren W.,Liu C.,et al. A search method for probabilistic critical slip surfaces with arbitrary shapes and its application in slope reliability analysis[J]. Natural Hazards,2021-01-01,107(2)