%0 Journal Article
%T 边坡岩体软弱夹层剪切变形本构模型研究
%A 许宝田
%A 阎长虹
%A 刘军熙
%A 陈汉永
%J 岩土力学
%D 2010
%X themechanicscharacteristicexperimentsoftheweakintercalatedlayersinthesloperockmassarecarriedout.basingonthetestresults,thesheardeformationconstitutivemodelsarediscussed.thecommonconstitutivemodelsarehyperbolaandexponentmodels;butitcanbeindicatedthatthecalculationresultsfromthetwomodelsislessthantheactualresults.bystudyingthetwomodels,itisfoundthattheshearstiffnesscalculatedbythetwomodelsarethe2and1powersoftheshearstressrespectively;andwhicharethe1basicfunctionoftheshearstress;andcannotshowtherealconstitutivemodelsoftheweakintercalatedlayers.sothepowerfunctionmodeloftheks–τisbuilt;thedefinitionofthepowerfunctionisdecidedbythe‘n’,whichcanbegottenbyregressiveanalysis.atlast,thepowerfunctionmodelsunderdifferentnormalstresses.theresultsindicatethatthepowerfunctionsismoreclosetotheexperimentresults.itcanbesaidthatthepowerfunctionmodelusedtodescribethesheardeformationconstitutivemodelisreasonable.
%K weakintercalatedlayers
%K sheardeformation
%K constitutivemodel
%U http://ytlx.whrsm.ac.cn/CN/abstract/abstract9329.shtml