柱的预应力撑杆加固法

(210096):DEEPDEEP,:SEU-DEEPTHEMETHODOFREINFORCEDCONCRETECOLUMNSSTRENGTHENEDWITHPRESTRESSEDSTRUTSWangJingquanSunBaojunZhuKai(CollegeofCivilEngineering,SoutheastUniversityNanjing210096)Abstract:Theprincipleandthedesignmethodofreinforcedconcretecolumnsstrengthenedwithprestressedstrutsweredescribed.TheconceptandmethodofSEU-DEEPsoftwaredesignwereintroducedindetail.Finally,twoexampleswerecomputedbythesoftware.Theresultswereagreedwellwiththosecalculatedbythespecification.Thecomputeprocedureisconsiderablysimplerthantraditionalmethod.Keywords:SEU-DEEPsoftwareprestressedstrutssoftwaredesign:19764:2003-10-081(),,,,,,,,,,,,,,,,,,DEEP,,,2(CECS25:90)(),,(GB50010-2002)2.1,,:N0=019(fcAc+fyAs)(1)N0;;Ac;97IndustrialConstructionVol134,No12,200420043421N0M0fc;fy;AsN1=N-N0(2)N;N1N1=0193fpyAp(3)3,019;fpy;ApAp=N10193fpy(4),,:p=41fpy(5)p;4,0175;1,(GB50017-2003)212,,,,,,,,DEEP,,,NM;,L505,480mm2,:N01=N-019fpyApl(6)M01=M-019fpyAplhP2(7)(GBJ50010-2002):N01F1fcbx+fyAs-sAs(8)N01eF1fcbx(h0-xP2)+fyAs(h0-as)(9),(GBJ50010-2002)71314,;,,,,,DEEP,,,5%,,,213Apl,,,3DEEP311VisualBasic610DEEP13123,:,,,,2313DEEPDEEP,,,0820043422,:,:1),;2),,;3);4),;5);6);7),,,,,41,bh=300mm500mm,H=3600mm,Gk=540kN,Qk=600kN,C20,,6-181,Qk=600kN,,:L706L568L756L806,L7062,bh=300mm400mm,H=3000mm,540kN,150kNm,C20,3-181,Qk=600kN,,:L505L634L456L565,,L605,5DEEP,,,,,,,1CECS25:902GB50010-20023..,2000,30(11):64654,,..:,1993(84),458,,CFRPCFRP2),,,3)CFRPDf,,Df,Df4),,,5)CFRP,,1KhalifaA,GoldWJ,NanniA,etal.ContributionofExternalBondedFRPtotheShearCapacityofRCFlexuralMembers.ASCEJournalofCompositesforConstruction,1998,2(4):1952032,,,..,2003,36(11)3,,..(),2002,32(5):7667704TriantafillouTC.ShearStrengtheningofReinforcedConcreteBeamsUsingEpoxy2BondedFRPComposites.ACIStructuralJournal,1998,95(2):1071155TriantafillouTC,AntonopoulosCP.DesignofConcreteFlexuralMembersStrengthenedinShearwithFRP.ASCEJournalofCompositesforConstruction,2000,4(4):1982056ChenJF,TengJG.ShearCapacityofFRP2StrengthenedRCbeams:FRPDebonding.ConstructionandBuildingMaterials,2003,17:27417AhmedKhalifa,AntonioNanni.RehabilitationofRectangularSimplySupportedRCBeamswithShearDeficienciesUsingCFRPComposites.ConstructionandBuildingMaterials,2003,16:13514618,