%0 Journal Article
%T DSC modelling for predicting resilient modulus of crushed rock base as a road base material for Western Australia roads
%A KHOBKLANGPakdee
%A VIMONSATITVanissorn
%A JITSANGIAMPeerapong
%A NIKRAZHamid
%J 交通运输工程学报
%P 10-16
%D 2013
%X Inordertoincreasetheappliedefficiencyofcrushedrockbase(CRB)inpavementstructuredesignforWesternAustraliaroads,thematerialmodellingbasedontheexperimentalresultswasinvestigated,andthedisturbedstateconcept(DSC)wasusedtopredicttheresilientmodulusofCRBbecauseofitssimplicityandstrongabilityincapturingtheelasticandinelasticresponsesofmaterialstoloads.TheactualdeformationofDSC,atanyloadingstate,wasdeterminedfromitsassumedrelativeintact(RI)state.TheDSCequationofCRBwasconstructedbyusingasetofexperimentalresultsofresilientmodulustests,andanidealizedmaterialmodel,namelythelinearelasticmodel,ofrelativeintact(RI)partwasconsidered.Analysisresultsrevealthattheresilientmodulus-appliedstressrelationshipsback-predictedbyusingtheDSCmodellingareconsistentwiththeexperimentalresults,so,theDSCequationissuitedforpredictingtheresilientmodulusofCRBspecimen.However,themodelandtheequationcomingfromthetestresultsareconductedinaccordancewiththeAustroadsstandard,sofurtherinvestigationandvalidationwithrespecttothefieldbehavioursofpavementstructureshouldbeperformed.7figs,11refs.
%K pavementengineering
%K CRB
%K resilientmodulus
%K DSC
%K RI
%K triaxialtest
%U http://cadxjtysgcxb.paperopen.com/oa/DArticle.aspx?type=view&id=201302002