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Article: Seismic amplification at a soft soil site with liquefiable layer
Title | Seismic amplification at a soft soil site with liquefiable layer |
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Authors | |
Keywords | Array records Ground motion Kobe earthquake Liquefaction Nonlinearity Site response Soil behaviour |
Issue Date | 2000 |
Citation | Journal of Earthquake Engineeringl, 2000, v. 37 n. 1, p. 1-23 How to Cite? |
Abstract | It 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 Identifier | http://hdl.handle.net/10722/228555 |
ISSN | 2023 Impact Factor: 2.5 2023 SCImago Journal Rankings: 0.781 |
DC Field | Value | Language |
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dc.contributor.author | Yang, J | - |
dc.contributor.author | Sato, Tadanobu | - |
dc.contributor.author | Li, Xiang-Song | - |
dc.date.accessioned | 2016-08-18T08:06:56Z | - |
dc.date.available | 2016-08-18T08:06:56Z | - |
dc.date.issued | 2000 | - |
dc.identifier.citation | Journal of Earthquake Engineeringl, 2000, v. 37 n. 1, p. 1-23 | - |
dc.identifier.issn | 1363-2469 | - |
dc.identifier.uri | http://hdl.handle.net/10722/228555 | - |
dc.description.abstract | It 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.language | eng | - |
dc.relation.ispartof | Journal of Earthquake Engineering | - |
dc.subject | Array records | - |
dc.subject | Ground motion | - |
dc.subject | Kobe earthquake | - |
dc.subject | Liquefaction | - |
dc.subject | Nonlinearity | - |
dc.subject | Site response | - |
dc.subject | Soil behaviour | - |
dc.title | Seismic amplification at a soft soil site with liquefiable layer | - |
dc.type | Article | - |
dc.identifier.email | Yang, J: junyang@hkucc.hku.hk | - |
dc.identifier.authority | Yang, J=rp00201 | - |
dc.identifier.scopus | eid_2-s2.0-0034339031 | - |
dc.identifier.volume | 4 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 1 | - |
dc.identifier.epage | 23 | - |
dc.identifier.issnl | 1363-2469 | - |