Behaviour of Displacement Piles in Sand under Cyclic Axial Loading

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dc.contributor.authorTsuha, Cristina de H. C.
dc.contributor.authorForay, P. Y.
dc.contributor.authorJardine, R. J.
dc.contributor.authorYang, Zhongxuan X.
dc.contributor.authorSilva, M.
dc.contributor.authorRimoy, Siya P.
dc.date.accessioned2016-09-06T08:53:41Z
dc.date.available2016-09-06T08:53:41Z
dc.date.issued2012
dc.description.abstractField experiments have demonstrated that piles driven into sand can respond to axial cyclic loading in Stable, Unstable or Meta-Stable ways, depending on the combinations of mean and cyclic loads and the number of cycles. An understanding of the three styles of responses is provided by experiments involving a highly instrumented model displacement pile and an array of soil stress sensors installed in fine sand in a pressurised calibration chamber. The different patterns of effective stress developing on and around the shaft are reported, along with the results of static load tests that track the effects on shaft capacity. The interpretation links these observations to the sand's stress–strain behaviour. The interface-shear characteristics, the kinematic yielding, the local densification, the growth of a fractured interface-shear zone and the restrained dilatancy at the pile–soil interface are all found to be important. The model tests are shown to be compatible with the full-scale behaviour and to provide key information for improving the modelling and the design rules.en_US
dc.identifier.citationTsuha, C.D.H.C., Foray, P.Y., Jardine, R.J., Yang, Z.X., Silva, M. and Rimoy, S., 2012. Behaviour of displacement piles in sand under cyclic axial loading. Soils and foundations, 52(3), pp.393-410.en_US
dc.identifier.doi10.1016/j.sandf.2012.05.002
dc.identifier.urihttp://hdl.handle.net/20.500.11810/3640
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectDisplacement pileen_US
dc.subjectCyclic loadingen_US
dc.subjectPile–soil interfaceen_US
dc.subjectDilatancyen_US
dc.subjectCalibration chamberen_US
dc.subjectLocal stressesen_US
dc.titleBehaviour of Displacement Piles in Sand under Cyclic Axial Loadingen_US
dc.typeJournal Article, Peer Revieweden_US
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