Influence of uplift on liquid storage tanks during earthquakes

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dc.contributor.author Ormeno, M en
dc.contributor.author Larkin, Thomas en
dc.contributor.author Chouw, Nawawi en
dc.date.accessioned 2018-10-11T01:17:36Z en
dc.date.issued 2012 en
dc.identifier.citation Coupled Systems Mechanics 1(4):311-324 2012 en
dc.identifier.uri http://hdl.handle.net/2292/40694 en
dc.description.abstract Previous investigations have demonstrated that strong earthquakes can cause severe damage or collapse to storage tanks. Theoretical studies by other researchers have shown that allowing the tank to uplift generally reduces the base shear and the base moment. This paper provides the necessary experimental confirmation of some of the numerical finding by other researchers. This paper reports on a series of experiments of a model tank containing water using a shake table. A comparison of the seismic behaviour of a fixed base system (tank with anchorage) and a system free to uplift (tank without anchorage) is considered. The six ground motions are scaled to the design spectrum provided by New Zealand Standard 1170.5 (2004) and a range of aspect ratios (height/radius) is considered. Measurements were made of the impulsive acceleration, the horizontal displacement of the top of the tank and uplift of the base plate. A preliminary comparison between the experimental results and the recommendations provided by the liquid storage tank design recommendations of the New Zealand Society for Earthquake Engineering is included. The measurement of anchorage forces required to avoid uplift under varying conditions will be discussed. en
dc.relation.ispartofseries Coupled Systems Mechanics 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 Influence of uplift on liquid storage tanks during earthquakes en
dc.type Journal Article en
dc.identifier.doi 10.12989/csm.2012.1.4.311 en
pubs.issue 4 en
pubs.begin-page 311 en
pubs.volume 1 en
dc.rights.holder Copyright: The authors en
pubs.end-page 324 en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 712420 en
pubs.org-id Engineering en
pubs.org-id Civil and Environmental Eng en
pubs.record-created-at-source-date 2017-11-14 en


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