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1、HansJournalofCivilEngineering土木工程,2014,3,31-39PublishedOnlineMarch2014inHans.http://www.hanspub.org/journal/hjcehttp://dx.doi.org/10.12677/hjce.2014.32004ComparativeStudyonAbrasionMethod&DrillingMethodtoEstimateActualStressofSteelBarsEmbeddedinReinforcedConcreteBuildingMembersLiPanInstituteofB
2、uildingStructures,ChinaAcademyofBuildingResearch,BeijingEmail:Panli535482@sohu.com,Panlicabr@163.comthththReceived:Feb.6,2014;revised:Mar.4,2014;accepted:Mar.13,2014Copyright?2014byauthorandHansPublishersInc.ThisworkislicensedundertheCreativeCommonsAttributionInternationalLicense(CCBY).http://
3、creativecommons.org/licenses/by/4.0/AbstractInsecurityassessment,qualityassurance,retrofittingandaccidentanalysisforreinforcedcon-cretestructures,itisoftenneededtoestimatetheactualstressoflongitudinalsteelbarsembed-dedinmembers,thenasthebasis,toestimatetheactualinternalforcesofthosemembers,but
4、detectionandidentificationnowaboutexistentconcretestructurescanhardlyprovidethesedates.AbrasionMethodandDrillingMethodarethetwopracticalwaysproposedinrecentyearsbyauthor,whicharebasedonelasticanalysisandroutinetesting(analyticalcalculationofsup-plementarymeasuredvariable),andtheaccuracymeetsen
5、gineeringneedsbyapplicationtestve-rificationsinpast.Inthispaper,thetwomethodsareintroducedandcomparativelyanalyzed,theintrinsiclinkandconsistencybetweenthesetwoareprovedasthereferencefordetection,identi-ficationandsimilarstudiesofreinforcedconcretestructures.Basedonthesameprincipleandfurtherim
6、provementofthetestprocessandtheaccuracy,DrillingMethodcanalsobeusedtoes-timatethecombinedstress(includingtemperaturestress)insuper-longconcretestructuresandtheprestressefficiencyinprestressedconcretestructures.KeywordsAbrasionMethod;DrillingMethod;ActualStressofSteelBarsEmbeddedinConcreteMembe
7、rs;SupplementaryMeasuredVariable;AnalyticalEstimationinElasticRange;CombinedStress;PrestressEfficiency31磨筋法與鉆孔法推算混凝土構(gòu)件配筋實際應(yīng)力的比較研究磨筋法與鉆孔法推算混凝土構(gòu)件配筋實際應(yīng)力的比較研究潘立中國建筑科學(xué)研究院建筑結(jié)構(gòu)研究所，北京Email:Panli535482@sohu.com,Panlicabr@163.com收稿日期：2014年2月6日；修回
