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1、Vaughan,P.R.(1994).Gthdmique44,No.4,573-609Assumption,predictionandrealityingeotechnicalengineeringP.R.VAUGHAN*GeotechnicalengineeringinvolvesmanydifferentL’ingenieriegeotechniquemetenoeuvreungrandandcomplexmaterialsandmanydifferentmecha-nombredemateriauxdifferen
2、tsetcomplexesainsinismsofbehaviour.Thedirectuseofexperienceasquedifferentsmecanismesdecomportement.aguidetopredictionanddesigniseffective,provid-Lorsqueceux-cisontcompris,ilestpossibleedtheseareunderstood.Geotechnicalengineeringd’utiliseravecsuccbI’experiencecomm
3、eguidedeisarelativelynewscience.Itssuccessfulapplica-previsionetdeconception.L’ingenieriegeotech-tiontopredictionrequiresrealisticassumptionstoniqueestunesciencerelativementrecente.Pourbemade,andpredictionsmustbetestedagainstpouvoirl’appliqueravecsucdsalaprevisio
4、n,ilestreality.Methodsofpredictionneedthentobenbessairedeposerdeshypothesesrealistesetderefined.Examplesoftheimportanceofmakingconfrontercesprevisionsalareal&LesmethodesrealisticassumptionsareexaminedinthisPaper.deprevisiondoiventdone@treafftnees.L’articleTheyinc
5、ludetheeffectsofstressandcompressionpresentedesexemplespermettantdemontreronpermeability,theimportanceofrealisticmodel-l’importancedeformulerdeshypothesesrealistes.lingofthesurfaceboundaryconditioninseepageI1etudieI’influencedelacontrainteetdelacom-analysis,andth
6、eimportanceofmodellingmaterialpressionsurlapermeabihte,I’importancedepropertiesrealistically,accordingtotheirbehav-modeliserdefaconrealistelesconditionsdesur-iourasmeasuredinthelaboratoryandverifiedbyfaceslimites,aucoursd’analysesd’inRltration,etfieldobservation.
7、Thelinkbetweenmaterialandlesproprietbdumateriautoutenintegrantleprototypebehaviourisstressed.Itisconcludedcomportementmesureaulaboratoirepuisvalid6inthat,indealingwithengineeringproblems,thesitu.Onsoulignetoutparticulierementlelienexis-understandingofrealbehaviou
8、rismoreimportanttantentrelecomportementdumateriauetceluiduthanaccuratecalculation.Numericalanalysisnowprototype.11apparaitque,pourlesproblemesprovidesgreatpowe
