Moment methods for assessing the probability of serviceability failure in braced excavations

Lei Wang, Zhe Luo, Wenping Gong, Sara Khoshnevisan, C. Hsein Juang

研究成果: 書貢獻/報告類型會議論文篇章同行評審

5 引文 斯高帕斯(Scopus)

摘要

When the performance function (or limit state) is a numerical model without an explicit form, reliability analysis based on this limit state is often difficult to perform. In this paper, a series of moment methods that is built on the solutions obtained from PlaxisTM, a commercially available finite element code, is adopted for probabilistic evaluation of serviceability failure in a braced excavation. The accuracy of the computed reliability index and probability of failure tends to increase when the higher-order moments are considered. In addition, the effect of spatial variability of soil parameters on the computed probability of serviceability failure is investigated. A well documented case history of a braced excavation in clay is analyzed, and the results show that the moment methods are effective and easy to apply for computing failure probability.

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主出版物標題Geo-Congress 2014 Technical Papers
主出版物子標題Geo-Characterization and Modeling for Sustainability - Proceedings of the 2014 Congress
發行者American Society of Civil Engineers (ASCE)
頁面3293-3302
頁數10
版本234 GSP
ISBN(列印)9780784413272
DOIs
出版狀態已出版 - 2014
事件2014 Congress on Geo-Characterization and Modeling for Sustainability, Geo-Congress 2014 - Atlanta, GA, United States
持續時間: 23 2月 201426 2月 2014

出版系列

名字Geotechnical Special Publication
號碼234 GSP
ISSN(列印)0895-0563

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???event.eventtypes.event.conference???2014 Congress on Geo-Characterization and Modeling for Sustainability, Geo-Congress 2014
國家/地區United States
城市Atlanta, GA
期間23/02/1426/02/14

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