Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/80761
Title: Reliability assessment of ultimate limit state of twin caverns
Authors: Zhang, Wengang
Goh, Anthony T. C.
Keywords: reliability assessment
ultimate limit state
Issue Date: 2016
Source: Zhang, W., & Goh, A. T. C. (2016). Reliability assessment of ultimate limit state of twin caverns. Geomechanics and Geoengineering, 12(1), 48-59.
Series/Report no.: Geomechanics and Geoengineering
Abstract: Construction of a cavern in close proximity to an existing cavern modifies the state of stresses and movements in a zone around the existing cavern, as some degree of interaction between these two caverns generally takes place. This study investigates the interaction of two parallel caverns and the influence of such interaction on stress-induced global stability in terms of a global factor of safety. A series of finite difference analyses were performed to derive the global factor of safety of a system of two parallel and adjacent caverns. A mathematical response surface model was then built using the multivariate adaptive regression splines (MARS) approach and a series of charts based on this surrogate model were developed to relate the global factor of safety to the critical parameters. The built MARS model is of high accuracy and is simple to interpret and can be used to perform probabilistic assessment of ultimate limit state of twin caverns.
URI: https://hdl.handle.net/10356/80761
http://hdl.handle.net/10220/42219
ISSN: 1748-6025
DOI: 10.1080/17486025.2016.1162331
Schools: School of Civil and Environmental Engineering 
Rights: © 2016 Informa UK Limited. This is the author created version of a work that has been peer reviewed and accepted for publication by Geomechanics and Geoengineering, Informa UK Limited. 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: [http://dx.doi.org/10.1080/17486025.2016.1162331].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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