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Article: Horizontal and vertical components of earthquake ground motions at liquefiable sites

TitleHorizontal and vertical components of earthquake ground motions at liquefiable sites
Authors
KeywordsGround Motion
Liquefaction
Nonlinear Analysis
Site Response
Vertical Motion
Issue Date2002
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/soildyn
Citation
Soil Dynamics And Earthquake Engineering, 2002, v. 22 n. 3, p. 229-240 How to Cite?
AbstractField observations on ground motions from recent earthquakes imply that current knowledge is limited with regard to relating vertical and horizontal motions at liquefiable sites. This paper describes a study with the purpose of clarifying this emerging issue to some extent. A series of numerical analyses is carried out on a liquefiable soil deposit with a verified, fully coupled, nonlinear procedure. It is shown that the transformation of vertical motions in the deposit differs considerably from the transformation of horizontal motions. Both the amplitude and frequency content of the horizontal motions are strongly dependent on the shaking level or the associated nonlinear soil behavior. The transfer function for vertical motions is however likely to be independent of the intensity of input motions; no reduction in the amplitude occurs even in the case of strong shaking. The results are shown to be in consistence with the laboratory observations on shaking table tests and recent field observations that less nonlinearity exists for vertical motions. It is also shown that the possibility exists for using information on spectral ratios between the horizontal and vertical surface motions to quickly identify in situ soil behavior and liquefaction that are not readily covered by conventional field or laboratory experimentation procedures. © 2002 Elsevier Science Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/150224
ISSN
2015 Impact Factor: 1.481
2015 SCImago Journal Rankings: 1.516
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYang, Jen_US
dc.contributor.authorSato, Ten_US
dc.contributor.authorSavidis, Sen_US
dc.contributor.authorLi, XSen_US
dc.date.accessioned2012-06-26T06:02:32Z-
dc.date.available2012-06-26T06:02:32Z-
dc.date.issued2002en_US
dc.identifier.citationSoil Dynamics And Earthquake Engineering, 2002, v. 22 n. 3, p. 229-240en_US
dc.identifier.issn0267-7261en_US
dc.identifier.urihttp://hdl.handle.net/10722/150224-
dc.description.abstractField observations on ground motions from recent earthquakes imply that current knowledge is limited with regard to relating vertical and horizontal motions at liquefiable sites. This paper describes a study with the purpose of clarifying this emerging issue to some extent. A series of numerical analyses is carried out on a liquefiable soil deposit with a verified, fully coupled, nonlinear procedure. It is shown that the transformation of vertical motions in the deposit differs considerably from the transformation of horizontal motions. Both the amplitude and frequency content of the horizontal motions are strongly dependent on the shaking level or the associated nonlinear soil behavior. The transfer function for vertical motions is however likely to be independent of the intensity of input motions; no reduction in the amplitude occurs even in the case of strong shaking. The results are shown to be in consistence with the laboratory observations on shaking table tests and recent field observations that less nonlinearity exists for vertical motions. It is also shown that the possibility exists for using information on spectral ratios between the horizontal and vertical surface motions to quickly identify in situ soil behavior and liquefaction that are not readily covered by conventional field or laboratory experimentation procedures. © 2002 Elsevier Science Ltd. All rights reserved.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/soildynen_US
dc.relation.ispartofSoil Dynamics and Earthquake Engineeringen_US
dc.subjectGround Motionen_US
dc.subjectLiquefactionen_US
dc.subjectNonlinear Analysisen_US
dc.subjectSite Responseen_US
dc.subjectVertical Motionen_US
dc.titleHorizontal and vertical components of earthquake ground motions at liquefiable sitesen_US
dc.typeArticleen_US
dc.identifier.emailYang, J:junyang@hkucc.hku.hken_US
dc.identifier.authorityYang, J=rp00201en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/S0267-7261(02)00010-6en_US
dc.identifier.scopuseid_2-s2.0-0037140667en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037140667&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume22en_US
dc.identifier.issue3en_US
dc.identifier.spage229en_US
dc.identifier.epage240en_US
dc.identifier.isiWOS:000176275800006-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridYang, J=35605258800en_US
dc.identifier.scopusauthoridSato, T=7406984636en_US
dc.identifier.scopusauthoridSavidis, S=6701852671en_US
dc.identifier.scopusauthoridLi, XS=25823194900en_US

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