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Article: Apparent phase velocities and fundamental-mode phase velocities of Rayleigh waves

TitleApparent phase velocities and fundamental-mode phase velocities of Rayleigh waves
Authors
KeywordsApparent Phase Velocity
Fundamental-Mode Dispersion Curve
Multichannel Analysis Of Surface Waves
Rayleigh Waves
Issue Date2003
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/soildyn
Citation
Soil Dynamics And Earthquake Engineering, 2003, v. 23 n. 7, p. 563-569 How to Cite?
AbstractRayleigh wave dispersion data usually appear in the form of multimodal spectra for a layered model structure. The number of dispersion modal curves depends on the number of layers in the model. The measured dispersion velocities from the frequency-wavenumber (F-K) space, however, may not represent the true phase velocities of the fundamental-mode dispersion curve, but apparent phase velocities. The present study discusses how multimode curves are generated in the multichannel analysis of surface waves (MASW) method and the cause of the apparent velocity produced by the F-K method. Results from a field trial demonstrate that apparent phase velocities fail to reveal thin layers with low velocities. A better agreement of the inverted model with the geotechnical record is obtained by using the data points extracted from the fundamental-mode curve of the MASW spectral image. © 2003 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/151109
ISSN
2015 Impact Factor: 1.481
2015 SCImago Journal Rankings: 1.516
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhang, SXen_US
dc.contributor.authorChan, LSen_US
dc.contributor.authorChen, CYen_US
dc.contributor.authorDai, FCen_US
dc.contributor.authorShen, XKen_US
dc.contributor.authorZhong, Hen_US
dc.date.accessioned2012-06-26T06:17:09Z-
dc.date.available2012-06-26T06:17:09Z-
dc.date.issued2003en_US
dc.identifier.citationSoil Dynamics And Earthquake Engineering, 2003, v. 23 n. 7, p. 563-569en_US
dc.identifier.issn0267-7261en_US
dc.identifier.urihttp://hdl.handle.net/10722/151109-
dc.description.abstractRayleigh wave dispersion data usually appear in the form of multimodal spectra for a layered model structure. The number of dispersion modal curves depends on the number of layers in the model. The measured dispersion velocities from the frequency-wavenumber (F-K) space, however, may not represent the true phase velocities of the fundamental-mode dispersion curve, but apparent phase velocities. The present study discusses how multimode curves are generated in the multichannel analysis of surface waves (MASW) method and the cause of the apparent velocity produced by the F-K method. Results from a field trial demonstrate that apparent phase velocities fail to reveal thin layers with low velocities. A better agreement of the inverted model with the geotechnical record is obtained by using the data points extracted from the fundamental-mode curve of the MASW spectral image. © 2003 Elsevier 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.subjectApparent Phase Velocityen_US
dc.subjectFundamental-Mode Dispersion Curveen_US
dc.subjectMultichannel Analysis Of Surface Wavesen_US
dc.subjectRayleigh Wavesen_US
dc.titleApparent phase velocities and fundamental-mode phase velocities of Rayleigh wavesen_US
dc.typeArticleen_US
dc.identifier.emailChan, LS:chanls@hku.hken_US
dc.identifier.authorityChan, LS=rp00665en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/S0267-7261(03)00069-1en_US
dc.identifier.scopuseid_2-s2.0-0141461355en_US
dc.identifier.hkuros92637-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0141461355&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume23en_US
dc.identifier.issue7en_US
dc.identifier.spage563en_US
dc.identifier.epage569en_US
dc.identifier.isiWOS:000185771100004-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridZhang, SX=7409373428en_US
dc.identifier.scopusauthoridChan, LS=7403540528en_US
dc.identifier.scopusauthoridChen, CY=37046573200en_US
dc.identifier.scopusauthoridDai, FC=55228031500en_US
dc.identifier.scopusauthoridShen, XK=7402721704en_US
dc.identifier.scopusauthoridZhong, H=7201452796en_US

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