Robust geotechnical design of earth slopes using fuzzy sets

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Title:	Robust geotechnical design of earth slopes using fuzzy sets
Authors:	莊長賢;Gong, Wenping;Wang, Lei;Khoshnevisan, Sara;Juang, C. Hsein;Huang, Hongwei;Zhang, Jie
Contributors:	工學院土木工程學系
Keywords:	Technical Papers
Date:	2015-01-01
Issue Date:	2026-04-21 13:52:49 (UTC+8)
Publisher:	American Society of Civil Engineers (ASCE);American Society of Civil Engineers
Abstract:	摘要： AbstractThis paper presents a fuzzy set–based robust geotechnical design (RGD) approach for the design of earth slopes in which uncertain soil parameters are represented as fuzzy sets. For a slope with fuzzy sets as inputs, the stability (factor of safety) of the slope is also a fuzzy set. The failure probability of the slope can readily be determined based on the obtained fuzzy factor of safety; further, the design robustness in terms of the signal-to-noise ratio (SNR) can also be evaluated. The purpose of the RGD is to derive a design that is robust against the uncertainty in the input parameters, with an explicit consideration on safety and cost. Therefore, a multiobjective optimization is performed and a three-dimensional or two-dimensional Pareto front showing a trade-off between objectives can be obtained, which allows for an informed design decision. The effectiveness of the proposed fuzzy set–based RGD approach is demonstrated through an illustrative example. 出版者： American Society of Civil Engineers 出版日期： 2015-01-01 出處： Journal of geotechnical and geoenvironmental engineering, 2015-01, Vol.141 (1) 資源來源： American Society Of Civil Engineers ASCE Journals 版權： 2014 American Society of Civil Engineers. 識別號： ISSN: 1090-0241 識別號： EISSN: 1943-5606 識別號： DOI: 10.1061/(ASCE)GT.1943-5606.0001196
Appears in Collections:	[Department of Civil Engineering] journal & Dissertation

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