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Article: Seismic amplification at a soft soil site with liquefiable layer

TitleSeismic amplification at a soft soil site with liquefiable layer
Authors
Issue Date2000
Citation
Journal of Earthquake Engineeringl, 2000, v. 37 n. 1, p. 1-23 How to Cite?
AbstractIt is well known that local soil conditions play a key role in the amplification of earthquake waves. In particular, a liquefiable shallow soil layer may produce a significant influence on ground motion during strong earthquakes. In this paper, the response of a liquefiable site during the 1995 Kobe earthquake is studied using vertical array records, with particular attention on the effects of nonlinear soil behaviour and liquefaction on the ground motion. Variations of the characteristics of the recorded ground motions are analysed using the spectral ratio technique, and the nonlinearity occurring in the shallow liquefied layer during earthquake is identified. A fully coupled, inelastic finite element analysis of the response of the array site is performed. The calculated stress-strain histories of soils and excess pore water pressures at different depths are presented, and their relations to the characteristics of the ground motions are addressed.
Persistent Identifierhttp://hdl.handle.net/10722/228555
ISSN
2015 Impact Factor: 0.922
2015 SCImago Journal Rankings: 1.272

 

DC FieldValueLanguage
dc.contributor.authorYang, J-
dc.contributor.authorSato, Tadanobu-
dc.contributor.authorLi, Xiang-Song-
dc.date.accessioned2016-08-18T08:06:56Z-
dc.date.available2016-08-18T08:06:56Z-
dc.date.issued2000-
dc.identifier.citationJournal of Earthquake Engineeringl, 2000, v. 37 n. 1, p. 1-23-
dc.identifier.issn1363-2469-
dc.identifier.urihttp://hdl.handle.net/10722/228555-
dc.description.abstractIt is well known that local soil conditions play a key role in the amplification of earthquake waves. In particular, a liquefiable shallow soil layer may produce a significant influence on ground motion during strong earthquakes. In this paper, the response of a liquefiable site during the 1995 Kobe earthquake is studied using vertical array records, with particular attention on the effects of nonlinear soil behaviour and liquefaction on the ground motion. Variations of the characteristics of the recorded ground motions are analysed using the spectral ratio technique, and the nonlinearity occurring in the shallow liquefied layer during earthquake is identified. A fully coupled, inelastic finite element analysis of the response of the array site is performed. The calculated stress-strain histories of soils and excess pore water pressures at different depths are presented, and their relations to the characteristics of the ground motions are addressed.-
dc.languageeng-
dc.relation.ispartofJournal of Earthquake Engineering-
dc.titleSeismic amplification at a soft soil site with liquefiable layer-
dc.typeArticle-
dc.identifier.emailYang, J: junyang@hkucc.hku.hk-
dc.identifier.authorityYang, J=rp00201-
dc.identifier.scopuseid_2-s2.0-0034339031-
dc.identifier.volume4-
dc.identifier.issue1-
dc.identifier.spage1-
dc.identifier.epage23-

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