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dc.contributor.authorZhang, Wengangen
dc.contributor.authorGoh, Anthony T. C.en
dc.identifier.citationZhang, W., & Goh, A. T. C. (2016). Reliability assessment of ultimate limit state of twin caverns. Geomechanics and Geoengineering, 12(1), 48-59.en
dc.description.abstractConstruction 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.en
dc.format.extent37 p.en
dc.relation.ispartofseriesGeomechanics and Geoengineeringen
dc.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: [].en
dc.subjectreliability assessmenten
dc.subjectultimate limit stateen
dc.titleReliability assessment of ultimate limit state of twin cavernsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Civil and Environmental Engineeringen
dc.description.versionAccepted versionen
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