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Title: Reliability assessment of diaphragm wall deflections in soft clays
Authors: Xuan, Feng
Goh, Anthony Teck Chee
Zhang, Wengang
Keywords: DRNTU::Engineering::Environmental engineering
Issue Date: 2013
Source: Goh, A. T. C., Xuan, F., & Zhang, W. (2013). Reliability Assessment of Diaphragm Wall Deflections in Soft Clays. Geo-Congress 2013, Foundation Engineering in the Face of Uncertainty, pp.487-496.
Abstract: For excavations in built-up areas with deep deposits of soft clays, it is essential to control ground movements to minimize damage to adjacent structures and facilities. This is commonly carried out by controlling the deflections of the retaining wall system. The limiting wall deflection or serviceability limit state is typically taken to be a percentage of the excavation height. In this study, extensive plane strain finite element analyses have been carried out to examine the excavation-induced wall deflections for a deep deposit of soft clay supported by diaphragm walls and bracing. Based on the numerical results, two polynomial regression approaches were used to develop the equations for estimating the maximum wall deflection. This paper describes how the developed equations can be used to perform reliability analysis of the diaphragm wall serviceability limit state to estimate the probability of exceeding the limiting wall deflection.
DOI: 10.1061/9780784412763.037
Rights: © 2013 American Society of Civil Engineers. This is the author created version of a work that has been peer reviewed and accepted for publication by Foundation engineering in the face of uncertainty, American Society of Civil Engineers. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Conference Papers

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