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1、EngineeringStructures32(2010)3592–3600ContentslistsavailableatScienceDirectEngineeringStructuresjournalhomepage:www.elsevier.com/locate/engstructEstablishingconcretecrackingstrengthintervalusingpossibilitytheorywithanapplicationtopredictthepossiblereinforcedconcretedeflectionintervalJung
2、J.Kim,MahmoudM.RedaTaha∗,TimothyJ.RossDepartmentofCivilEngineering,MSC011070,1UniversityofNewMexico,Albuquerque,NM87131-0001,UnitedStatesarticleinfoabstractArticlehistory:ConcretecrackingisachallenginganduncertaindesigncriterionthatsignificantlyaffectsourabilitytoReceived10January2010pre
3、dicttheserviceabilityofreinforcedconcrete(RC)structures.ItisevidentthattheconcretecrackingReceivedinrevisedformstrengthdependsonthetestmethod,suchasflexuralstrength,splittingtensilestrengthanddirect4August2010tension.Moreover,predictionmodelsproposedbydesigncodeshavewidevariation.Theunce
4、rtaintyAccepted5August2010ofthecrackingstrengthdeterminedexperimentallyornumericallyreducesconfidenceinserviceabilityAvailableonline18September2010limitstatedesignwhencomparedwithstrengthlimitstatedesign.However,thisuncertaintycannotbeclaimedasarandomuncertaintybutratherasanepistemicunce
5、rtainty.IntervalscanbeusedtodescribeKeywords:thisuncertaintyusingpossibilitytheory,amathematicalframeworktorepresentakindofepistemicConcretecrackingstrengthEpistemicuncertaintyuncertaintyknownasnon-specificity.AmethodologyisintroducedheretoestablishaconcretecrackingPossibilitydistributio
6、nstrengthinterval.AcasestudytousethiscrackingstrengthintervaltopredictanRCdeflectionintervalisRCdeflectionpresented.©2010ElsevierLtd.Allrightsreserved.1.Introductionresearchers[7,8]anddesigncodes[9,10]havearguedthat,becauseofthesignificanceofshrinkageonRCstructures,othercrackingAlthought
7、heconcretecrackingstrengthdoesnotaffectthecriteriasuchasthedirectorsplittingtensilestrengthofconcretestrengthofreinforcedconcrete(RC)structures,itisthemostpro-shouldbeusedasthecrackingcriterion.Moreinterestingly,somenouncedpropertyaffectingserviceabilitycalculationsduetoi
