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Article: Effects of Pore-Water Saturation on Seismic Reflection and Transmission from a Boundary of Porous Soils

TitleEffects of Pore-Water Saturation on Seismic Reflection and Transmission from a Boundary of Porous Soils
Authors
Issue Date2000
PublisherSeismological Society of America. The Journal's web site is located at http://www.bssaonline.org
Citation
Bulletin of the Seismological Society of America, 2000, v. 90 n. 5, p. 1313-1317 How to Cite?
AbstractRecent analysis of array observations indicated that pore-water saturation of soils may strongly affect vertical site amplification. A study is therefore motivated to investigate the saturation effect on seismic reflection from a boundary of porous soils. The problem described herein corresponds to a P- or SV-wave incident at the interface between rock formation and overlying sand. The sand is modeled as a partially water-saturated porous material while the rock is approximately regarded as ordinary one-phase solids. Preliminary results show that in either P- or SV-wave incidence, even a slight decrease of the complete saturation may lead to a substantial influence on both reflected and transmitted waves as well as the amplitude ratios between horizontal and vertical motion at the interface, and this influence is dependent on the angle of incidence. The underlying suggestion is that we may need to carefully consider the saturation effect in the interpretation of field observations, especially in such situations that partial saturation may very probably take place.
Persistent Identifierhttp://hdl.handle.net/10722/228550
ISSN
2015 Impact Factor: 2.311
2015 SCImago Journal Rankings: 2.068
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYang, J-
dc.contributor.authorSato, Tadanobu-
dc.date.accessioned2016-08-18T08:06:55Z-
dc.date.available2016-08-18T08:06:55Z-
dc.date.issued2000-
dc.identifier.citationBulletin of the Seismological Society of America, 2000, v. 90 n. 5, p. 1313-1317-
dc.identifier.issn0037-1106-
dc.identifier.urihttp://hdl.handle.net/10722/228550-
dc.description.abstractRecent analysis of array observations indicated that pore-water saturation of soils may strongly affect vertical site amplification. A study is therefore motivated to investigate the saturation effect on seismic reflection from a boundary of porous soils. The problem described herein corresponds to a P- or SV-wave incident at the interface between rock formation and overlying sand. The sand is modeled as a partially water-saturated porous material while the rock is approximately regarded as ordinary one-phase solids. Preliminary results show that in either P- or SV-wave incidence, even a slight decrease of the complete saturation may lead to a substantial influence on both reflected and transmitted waves as well as the amplitude ratios between horizontal and vertical motion at the interface, and this influence is dependent on the angle of incidence. The underlying suggestion is that we may need to carefully consider the saturation effect in the interpretation of field observations, especially in such situations that partial saturation may very probably take place.-
dc.languageeng-
dc.publisherSeismological Society of America. The Journal's web site is located at http://www.bssaonline.org-
dc.relation.ispartofBulletin of the Seismological Society of America-
dc.titleEffects of Pore-Water Saturation on Seismic Reflection and Transmission from a Boundary of Porous Soils-
dc.typeArticle-
dc.identifier.emailYang, J: junyang@hkucc.hku.hk-
dc.identifier.authorityYang, J=rp00201-
dc.identifier.doi10.1785/0120000008-
dc.identifier.scopuseid_2-s2.0-0034518769-
dc.identifier.volume90-
dc.identifier.issue5-
dc.identifier.spage1313-
dc.identifier.epage1317-
dc.identifier.isiWOS:000165250600014-

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