Experimental investigation of spatially varying effect of ground motions on bridge pounding

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dc.contributor.author Li, B en
dc.contributor.author Bi, K en
dc.contributor.author Chouw, Nawawi en
dc.contributor.author Butterworth, JW en
dc.contributor.author Hao, H en
dc.date.accessioned 2018-10-26T03:44:27Z en
dc.date.issued 2012-11 en
dc.identifier.issn 0098-8847 en
dc.identifier.uri http://hdl.handle.net/2292/43604 en
dc.description.abstract Pounding between adjacent bridge structures with insufficient separation distance has been identified as one of the primary causes of damage in many major earthquakes. It takes place because the closing relative movement is larger than the structural gap provided between the structures. This relative structural response is controlled not only by the dynamic properties of the participating structures but also by the characteristics of the ground excitations. The consequence of the spatial variation of ground motions has been studied by researchers; however, most of these studies were performed numerically. The objective of the present research is to experimentally evaluate the influence of spatial variation of ground motions on the pounding behaviour of three adjacent bridge segments. The investigation is performed using three shake tables. The input spatially varying ground excitations are simulated based on the New Zealand design spectra for soft soil, shallow soil and strong rock using an empirical coherency loss function. Results confirm that the spatially nonniform ground motions increase the relative displacement of adjacent bridge girders and pounding forces. © 2012 John Wiley & Sons, Ltd. en
dc.relation.ispartofseries Earthquake Engineering and Structural Dynamics en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title Experimental investigation of spatially varying effect of ground motions on bridge pounding en
dc.type Journal Article en
dc.identifier.doi 10.1002/eqe.2168 en
pubs.issue 14 en
pubs.begin-page 1959 en
pubs.volume 41 en
dc.rights.holder Copyright: The author en
pubs.end-page 1976 en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 362091 en
pubs.org-id Engineering en
pubs.org-id Civil and Environmental Eng en
dc.identifier.eissn 1096-9845 en
pubs.record-created-at-source-date 2012-12-02 en

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