Simplified approach for reliability-based design against basal-heave failure in braced excavations considering spatial effect

Zhe Luo, Sez Atamturktur, Yuanqiang Cai, C. Hsein Juang

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

This paper presents a simplified approach for reliability analysis of basal heave in a braced excavation considering the spatial variability of soil parameters, The first-order reliability method (FORM) with a variance reduction technique is employed to model the spatial variability in lieu of the conventional random field modeling (RFM). The proposed approach yields results that are comparable with those obtained using the conventional RFM approach that relies on Monte Carlo simulation. The proposed approach requires much less computational effort, is easy to use, and has potential as a practical tool for reliability-based design that has to deal with spatial variability of soils.

Original languageEnglish (US)
Pages (from-to)441-450
Number of pages10
JournalJournal of Geotechnical and Geoenvironmental Engineering
Volume138
Issue number4
DOIs
StatePublished - Apr 17 2012

Fingerprint

heave
Excavation
excavation
Soils
Reliability analysis
reliability analysis
modeling
soil
effect
simulation
Monte Carlo simulation

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Environmental Science(all)

Cite this

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Simplified approach for reliability-based design against basal-heave failure in braced excavations considering spatial effect. / Luo, Zhe; Atamturktur, Sez; Cai, Yuanqiang; Juang, C. Hsein.

In: Journal of Geotechnical and Geoenvironmental Engineering, Vol. 138, No. 4, 17.04.2012, p. 441-450.

Research output: Contribution to journalArticle

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