Efficient robust geotechnical design of drilled shafts in clay using a spreadsheet

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題名:	Efficient robust geotechnical design of drilled shafts in clay using a spreadsheet
作者:	莊長賢;Khoshnevisan, Sara;Gong, Wenping;Juang, C. Hsein;Atamturktur, Sez
貢獻者:	工學院土木工程學系
關鍵詞:	Technical Papers
日期:	2015-01-01
上傳時間:	2026-04-21 13:51:04 (UTC+8)
出版者:	American Society of Civil Engineers (ASCE);American Society of Civil Engineers
摘要:	摘要： Abstract This paper presents an efficient robust geotechnical design (RGD) approach that considers performance requirements, design robustness, and cost efficiency simultaneously. In this paper, design robustness is measured via the variation in the performance function of concern that can be evaluated using reliability analysis. Furthermore, the performance requirements of the system are also evaluated using reliability analysis. Thus, the evaluation of design robustness and the evaluation of performance requirements share common computational steps, referred to herein as computational coupling. This coupling for computational efficiency is a significant feature of the proposed RGD approach. Within the framework of the proposed RGD approach, design robustness, cost efficiency, and performance requirements can be considered simultaneously by means of multiobjective optimization. Furthermore, a practical and efficient procedure is developed for such optimization using a feature resident in a popular spreadsheet program. Through an example of the design of a drilled shaft in clay, the effectiveness of this new RGD approach is demonstrated. The results show that the hard-to-control variability resulting from construction variation, variable loading conditions, model errors, and uncertain geotechnical parameters in the design of drilled shafts in clay can be effectively considered with the proposed RGD approach. 出版者： American Society of Civil Engineers 出版日期： 2015-02-01 出處： Journal of geotechnical and geoenvironmental engineering, 2015-02, Vol.141 (2) 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.1943-5606.0001214
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