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Article: Analytical study of saturation effects on seismic vertical amplification of a soil layer

TitleAnalytical study of saturation effects on seismic vertical amplification of a soil layer
Authors
Keywordsdynamics,vibration,partial saturation,earthquakes
Issue Date2001
PublisherThomas Telford (ICE Publishing). The Journal's web site is located at http://www.geotechnique-ice.com
Citation
Géotechnique, 2001, v. 51 n. 2, p. 161-165 How to Cite?
AbstractAn analysis is presented of saturation effects on the amplification of a single soil layer to vertical earthquake excitation. Rigorous solutions for various responses are derived based on Biot's theory and the concept of homogeneous pore fluid. The transfer function of the layer is described as a function of degree of saturation, soil properties, layer thickness and loading frequency. Numerical examples are given to illustrate the influence of saturation on the motion amplification. The present study indicates that partial saturation of soils may always lead to a larger amplification compared with a full saturation model, and consequently provides a physical insight into an array observation on vertical site amplification during the Kobe earthquake of 1995.
Persistent Identifierhttp://hdl.handle.net/10722/228554
ISSN
2015 Impact Factor: 2.0
2015 SCImago Journal Rankings: 2.837
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYang, J-
dc.contributor.authorSato, T-
dc.date.accessioned2016-08-18T08:06:56Z-
dc.date.available2016-08-18T08:06:56Z-
dc.date.issued2001-
dc.identifier.citationGéotechnique, 2001, v. 51 n. 2, p. 161-165-
dc.identifier.issn0016-8505-
dc.identifier.urihttp://hdl.handle.net/10722/228554-
dc.description.abstractAn analysis is presented of saturation effects on the amplification of a single soil layer to vertical earthquake excitation. Rigorous solutions for various responses are derived based on Biot's theory and the concept of homogeneous pore fluid. The transfer function of the layer is described as a function of degree of saturation, soil properties, layer thickness and loading frequency. Numerical examples are given to illustrate the influence of saturation on the motion amplification. The present study indicates that partial saturation of soils may always lead to a larger amplification compared with a full saturation model, and consequently provides a physical insight into an array observation on vertical site amplification during the Kobe earthquake of 1995.-
dc.languageeng-
dc.publisherThomas Telford (ICE Publishing). The Journal's web site is located at http://www.geotechnique-ice.com-
dc.relation.ispartofGéotechnique-
dc.subjectdynamics,vibration,partial saturation,earthquakes-
dc.titleAnalytical study of saturation effects on seismic vertical amplification of a soil layer-
dc.typeArticle-
dc.identifier.emailYang, J: junyang@hkucc.hku.hk-
dc.identifier.authorityYang, J=rp00201-
dc.identifier.doi10.1680/geot.51.2.161.40295-
dc.identifier.scopuseid_2-s2.0-0035295185-
dc.identifier.volume51-
dc.identifier.issue2-
dc.identifier.spage161-
dc.identifier.epage165-
dc.identifier.isiWOS:000169162200006-

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