The Effects of Suppression of Dilation on the Shear Strength of Sands

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dc.contributor.advisorSharma, Jitendrapal
dc.contributor.authorHouse, Timothy Christopher Matthew
dc.date.accessioned2019-11-22T18:46:57Z
dc.date.available2019-11-22T18:46:57Z
dc.date.copyright2019-05
dc.date.issued2019-11-22
dc.date.updated2019-11-22T18:46:57Z
dc.degree.disciplineCivil Engineering
dc.degree.levelMaster's
dc.degree.nameMASc - Master of Applied Science
dc.description.abstractIt is known that peak angle of friction (_p^') for sands decreases as normal stress increases until critical state. The suppression of dilation of sands as normal stresses increase results in particle breakage, which contributes to this reduction in peak strength. There is still disagreement regarding how suppression of dilation and particle breakage affects sands critical state angle of friction (_cs^'). A total of 178 direct shear tests on three different sand types were completed to investigate the effects of suppression of dilation on the shear strength of sands, as well as effects of particle size, shape and sample size. _p^' decreased with suppression of dilation as expected. In general, _cs^' decreased by 7-9.5o as dilation was suppressed, and was found to decrease with increasing particle size. Particle shape showed less influence on _cs^' as dilation was suppressed. The effects of particle shape and sample size on _cs^' were more difficult to quantify.
dc.identifier.urihttp://hdl.handle.net/10315/36722
dc.languageen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectCivil engineering
dc.subject.keywordscritical state
dc.subject.keywordsdilation
dc.subject.keywordssuppression
dc.subject.keywordsdirect shear
dc.subject.keywordssand
dc.subject.keywordsgranular soil
dc.subject.keywordsshear strength
dc.subject.keywordsangle of friction
dc.subject.keywordsfriction angle
dc.subject.keywordsnormal stress
dc.subject.keywordssuppression of dilation
dc.subject.keywordsparticle breakage
dc.subject.keywordsparticle crushing
dc.subject.keywordsparticle size
dc.subject.keywordsparticle shape
dc.subject.keywordslarge scale
dc.subject.keywordssmall scale
dc.subject.keywordssample size
dc.subject.keywordsscale effects
dc.subject.keywordsnormal loading
dc.titleThe Effects of Suppression of Dilation on the Shear Strength of Sands
dc.typeElectronic Thesis or Dissertation

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