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1、Bartholomeeusen,G.etal.(2002).Ge´otechnique52,No.9,639648Sidere:numericalpredictionoflarge-strainconsolidationG.BARTHOLOMEEUSEN,G.C.SILLS,D.ZNIDARCˇIC´{,W.VANKESTEREN{,L.M.MERCKELBACH{,R.PYKE},W.D.CARRIERIII},H.LIN,D.PENUMADU,H.WINTERWERP{{,S.MASALA{{andD.CHAN{{Larg
2、e-strainconsolidationtheoryiswidelyusedfortheLathe´oriedelaconsolidationdesgrandesde´formationsmanagementofdredgeddisposalsites.Thetheoryisestlargementutilise´auniveaudelagestiondessitesdeuniversallyacceptedtodealwiththisproblem,thoughresidusdrague´s.Ende´pitdunereconnais
3、sanceuniver-thedeterminationofthematerialpropertiesisnotyetselledesonefficacite´danscedomaine,ilnousfautstandardised.Decisionsmadeonthislevelcanleadtotheconstaterquecettethe´orienajamaisfaitlobjetdunepredictionofatotallydifferentconsolidationhistory.Thisstandardisationdese
4、sproprie´te´smate´rielles.Lesde´ci-paperdescribestheresultsofapredictionexercise,sionsprisesa`ceniveaupeuventdonnerlieua`lapre´dic-performedusingabatchofsedimentfromtherivertiondunhistoriquedelaconsolidationtotalementSchelde(Antwerpen,Belgium).Numericalmodellerswerediffe´
5、rent.Cetarticlede´critlesre´sultatsdunexercicedegiventhedataoffourcalibrationexperimentsandwerepre´dictioneffectue´a`partirdunlotdese´dimentsdelathenaskedtopredictanotherexperiment.Settlingcol-rivie`reSchelde(Anvers,Belgique).Lesdonne´esdequatreumnexperiments(0·20·6minhei
6、ght)withdensityandexpe´riencesdecalibrageonte´te´communique´sa`desporepressuremeasurementsprovidedthebasisforthemodeleursnume´riques,afinqueceux-ciproduisentdescalibrationdata.Thepredictiondemonstratedthesignifi-pre´dictionsduneautreexpe´rience.Lesdonne´sdesexp-canceoftheso
7、ilcompressibilityatloweffectivestresses,e´riencesdecalibrageprovenaientdescolonnesdetasse-whentime-dependentbehaviourisobserved.ment(dunehauteurcompriseentre0·2et0·6m)incorporantlesmesuresdedensite´etdecontraintedeleau.Lapre´dictionade´montre´limportancedelacom-pressibili
8、te´dessolsa`bassecontrainteeffective,lorsqueKEYWORDS:consolidation;numericalmodellingunede´penda