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In-structure shock of underground structures : a theoretical approach

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In-structure shock of underground structures : a theoretical approach

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dc.contributor.author Ma, Guowei
dc.contributor.author Zhou, Hongyuan
dc.contributor.author Lu, Yong
dc.contributor.author Chong, Karen
dc.date.accessioned 2012-05-23T04:01:08Z
dc.date.available 2012-05-23T04:01:08Z
dc.date.copyright 2010
dc.date.issued 2012-05-23
dc.identifier.citation Ma, G.W., Zhou, H.Y., Lu, Y. & Chong, K. (2010). In-structure shock of underground structures : a theoretical approach. Engineering Structures, 32(12), 3836–3844.
dc.identifier.uri http://hdl.handle.net/10220/8137
dc.description.abstract When an underground structure is subjected to a subsurface explosion, an in-structure shock occurs. The in-structure shock can be a major cause of disruption and even damage to the instruments and equipment contained in the structure if the detonation is relatively distant. For this reason, an appropriate analysis and prediction of explosion-induced in-structure shock is an important topic in the area of protective design of underground structures. In this paper, a detailed analysis is conducted on a representative buried structural element subjected to soil-transmitted blast. The soil–structure interaction is considered by introducing an interfacial damping between the structural element and the surrounding soil. Two phases of the structural response to the blast load, i.e., a blast loading phase and a free-vibration phase, are analyzed. Based on the analytically derived time histories of the structural response, which represent the in-structure shock, the response spectra concerning the equipment (sub-structures) attached to the main structure are constructed. Besides providing a theoretical approach for the evaluation of the in-structure shock and its subsequent effects, the present analysis is supplementary to the relevant provisions in TM5-855-1 and TM5-1300, in which only rough predictions of in-structure shock for buried structures are specified.
dc.format.extent 38 p.
dc.language.iso en
dc.relation.ispartofseries Engineering structures
dc.rights © 2010 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Engineering Structures, Elsevier. 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: [DOI: http://dx.doi.org/10.1016/j.engstruct.2010.08.026 ]
dc.subject DRNTU::Engineering::Civil engineering.
dc.title In-structure shock of underground structures : a theoretical approach
dc.type Journal Article
dc.contributor.school School of Civil and Environmental Engineering
dc.identifier.doi http://dx.doi.org/10.1016/j.engstruct.2010.08.026
dc.identifier.rims 163211

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