Liquefaction Evaluation in Stratified Soils

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dc.contributor.authorRhodes, Aimee
dc.contributor.authorCubrinovski, Misko
dc.contributor.authorNtritsos, Nikolaos
dc.date.accessioned2018-09-03T02:31:32Z
dc.date.available2018-09-03T02:31:32Z
dc.date.issued2017en
dc.description.abstractThe Canterbury Earthquake Sequence 2010-2011 (CES) induced widespread liquefaction in many parts of Christchurch city. Liquefaction was more commonly observed in the eastern suburbs and along the Avon River where the soils were characterised by thick sandy deposits with a shallow water table. On the other hand, suburbs to the north, west and south of the CBD (e.g. Riccarton, Papanui) exhibited less severe to no liquefaction. These soils were more commonly characterised by inter-layered liquefiable and non-liquefiable deposits. As part of a related large-scale study of the performance of Christchurch soils during the CES, detailed borehole data including CPT, Vs and Vp have been collected for 55 sites in Christchurch. For this subset of Christchurch sites, predictions of liquefaction triggering using the simplified method (Boulanger & Idriss, 2014) indicated that liquefaction was over-predicted for 94% of sites that did not manifest liquefaction during the CES, and under-predicted for 50% of sites that did manifest liquefaction. The focus of this study was to investigate these discrepancies between prediction and observation. To assess if these discrepancies were due to soil-layer interaction and to determine the effect that soil stratification has on the develop-ment of liquefaction and the system response of soil deposits.en
dc.identifier.urihttp://hdl.handle.net/10092/15879
dc.language.isoen
dc.rightsCC-BY 4.0 Internationalen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/legalcode
dc.titleLiquefaction Evaluation in Stratified Soilsen
dc.typeConference Contributions - Otheren
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