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In-structure shock assessment of underground structures with consideration of rigid body motion

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In-structure shock assessment of underground structures with consideration of rigid body motion

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Title: In-structure shock assessment of underground structures with consideration of rigid body motion
Author: Ma, Guowei; Zhou, Hongyuan; Chong, Karen
Copyright year: 2011
Abstract: The present study assesses the in-structure shock of an underground structure induced by a nearby subsurface detonation. Both the rigid body motion of the entirely buried structure and the local response of the structural element are considered in characterizing the in-structure shock. Soil-structure interaction, behaving as an interfacial damping, is taken into account, and the effect of different surrounding soils is investigated. A response spectrum is plotted for assessing in-structure shock induced by a typical subsurface detonation, and subsequently the safety of the internal facilities and equipment mounted on the buried structure is evaluated. For safety purposes, the protective structures are better constructed in a site with small acoustic impedance and a large attenuation factor. Results show that the proposed in-structure shock assessment method is effective and can be used as a supplement to TM-5-855-1 and TM-5-1300.
Subject: DRNTU::Engineering::Civil engineering.
Type: Journal Article
Series/ Journal Title: Journal of engineering mechanics
School: School of Civil and Environmental Engineering
Rights: © 2011 American Society of Civil Engineers. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of engineering mechanics, American Society of Civil Enginee. 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/10.1061/(ASCE)EM.1943-7889.0000300 ]

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