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1、土木工程專業(yè)外文文獻(xiàn)土木工程專業(yè)畢業(yè)設(shè)計(jì)外文文獻(xiàn)及翻譯導(dǎo)讀:就愛閱讀網(wǎng)友為您分享以下“土木工程專業(yè)畢業(yè)設(shè)計(jì)外文文獻(xiàn)及翻譯”資訊，希望對(duì)您有所幫助，感謝您對(duì)92to.com的支持！英文原文：RehabilitationofrectangularsimplysupportedRCbeamswithsheardeficienciesusingCFRPcompositesAhmedKhalifaa，*，AntonioNannibaDepartmentofStructuralEngineering,Univ
2、ersityofAlexandria,Alexandria21544，EgyptbDepartmentofCivilEngineering,UniversityofMissouriatRolla,Rolla,MO65409,USAReceived28April1999;receivedinrevisedform30October2001;accepted10January2002AbstractThepresentstudyexaminestheshearperformanceandmodesof
3、failureofrectangularsimplysupportedreinforcedconcrete(RC)beamsdesignedwithsheardeficiencies.Thesememberswerestrengthenedwithexternallybondedcarbonfiberreinforcedpolymer(CFRP)sheetsandevaluatedinthelaboratory.Theexperimentalprogramconsistedoftwelvefull
4、-scaleRCbeamstestedtofailinshear.Thevariablesinvestigatedwithinthisprogramincludedsteelstirrups,andtheshearspan-to-effectivedepthratio,aswellasamountanddistributionofCFRP.TheexperimentalresultsindicatedthatthecontributionofexternallybondedCFRPtotheshe
5、arcapacitywassigniHcantTheshearcapacitywasalsoshowntobedependentuponthevariablesinvestigated.Testresultswereusedtovalidateasheardesignapproach,whichshowedconservativeandacceptablepredictions.Co2002ElsevierScienceLtd.Allrightsreserved.Keywords:Rehabili
6、tation;Shear;Carbonfiberreinforcedpolymer1.IntroductionFiberreinforcedpolymer(FRP)compositesystems,composedoffibersembeddedinapolymericmatrix,canbeusedforshearstrengtheningofreinforcedcon-crete(RC)members[1-7].ManyexistingRCbeamsaredeficientandinneedo
7、fstrengthening.TheshearfailureofanRCbeamisclearlydifferentfromitsflexuralfailure.Inshear,thebeamfailssuddenlywithoutsufficientwarninganddiagonalshearcracksareconsid-erablywiderthantheflexuralcracks[8].Theobjectivesofthisprogramwereto:1.Investigateperf
8、ormanceandmodeoffailureofsimplysupportedrectangularRCbeamswithsheardeficien-ciesafterstrengtheningwithexternallybondedCFRPsheets.2.Addressthefactorsthatinfluenceshearcapacityofstrengthenedbeamssuchas:■1?steelstirrups,shearspan-to-effectivedept
