Effect of cyclic stress reversal on cyclic instability behaviour of loose sand-silt mixtures

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dc.contributor.authorBaki, A.L.
dc.contributor.authorLo, S.R.
dc.contributor.authorRahman, M.M.
dc.date.accessioned2010-12-05T23:42:01Z
dc.date.available2010-12-05T23:42:01Z
dc.date.issued2010en
dc.description.abstractCyclic liquefaction of soils with a clearly positive state parameter is a form of instability triggered by undrained cyclic loading, where instability is used in the context of continuum mechanics, i.e. a state of dsijdeij < 0. This paper investigates such behaviour in the frame of critical state soil mechanics (CSSM) and taking into account the influence of fines content and cyclic stress reversal. The concept of an equivalent state parameter was used in conjunction with instability stress ratio obtained from monotonic undrained tests to synthesis the cyclic tests results. Experimental results showed that instability stress ratio obtained from monotonic test at the same equivalent state parameter define the triggering of instability under cyclic loading irrespective of stress reversal. The influence of initial effective confining stresses and fines contents can be assessed from the instability stress ratio and the equivalent state parameter.en
dc.identifier.citationBaki, A.L., Lo, S.R., Rahman, M.M. (2010) Effect of cyclic stress reversal on cyclic instability behaviour of loose sand-silt mixtures. Auckland, New Zealand: 11th IAEG Congress, 5-10 Sep 2010. 1649-1656.en
dc.identifier.isbn978-0-415-60034-7
dc.identifier.urihttp://hdl.handle.net/10092/4983
dc.language.isoen
dc.publisherUniversity of Canterbury. Civil and Natural Resources Engineeringen
dc.rights.urihttps://hdl.handle.net/10092/17651en
dc.subject.anzsrcFields of Research::40 - Engineering::4005 - Civil engineering::400506 - Earthquake engineeringen
dc.subject.anzsrcField of Research::05 - Environmental Sciences::0503 - Soil Sciences::050305 - Soil Physicsen
dc.titleEffect of cyclic stress reversal on cyclic instability behaviour of loose sand-silt mixturesen
dc.typeConference Contributions - Published
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