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Reliability assessment of stability of underground rock caverns.

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Reliability assessment of stability of underground rock caverns.

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dc.contributor.author Goh, Anthony Teck Chee.
dc.contributor.author Zhang, Wengang.
dc.date.accessioned 2012-09-20T06:16:16Z
dc.date.available 2012-09-20T06:16:16Z
dc.date.copyright 2012
dc.date.issued 2012-09-20
dc.identifier.citation Goh, A. T. C., & Zhang W. (2012). Reliability assessment of stability of underground rock caverns. International Journal of Rock Mechanics and Mining Sciences, 55, 157-163.
dc.identifier.issn 1365-1609
dc.identifier.uri http://hdl.handle.net/10220/8593
dc.description.abstract Conventional stability assessment of underground tunnels and caverns involves the determination of a factor of safety in which failure is assumed to occur when the load (stress) of the system exceeds the resistance. It is widely recognized that a deterministic analysis of the factor of safety gives only a partial representation of the true margin of safety, since the uncertainties in the design parameters affect the probability of failure. In this paper, a simplified procedure is proposed for evaluating the probability of stress-induced instability for deep underground rock caverns for preliminary design applications. Extensive parametric studies were carried out using a finite difference program to determine the factor of safety for caverns of various dimensions and rock mass strength. Subsequently, the limit state surface was determined through an artificial neural network approach following which a simplified reliability method of evaluating the probability of failure was developed.
dc.language.iso en
dc.relation.ispartofseries International journal of rock mechanics and mining sciences
dc.rights © 2012 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by International Journal of Rock Mechanics and Mining Sciences, Elsevier Ltd. 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/10.1016/j.ijrmms.2012.07.012].
dc.subject DRNTU::Science::Geology::Structural geology.
dc.title Reliability assessment of stability of underground rock caverns.
dc.type Journal Article
dc.contributor.school School of Civil and Environmental Engineering
dc.identifier.doi http://dx.doi.org/10.1016/j.ijrmms.2012.07.012
dc.description.version Accepted version

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