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:2006-02-25:(01-2-20):(1963-),,,.:1671-2021(2006)04-0579-051,2,3(11,710055;21,215011;31,110168):.,33;,.41647,,21100,..:;;;;:TU398:A,,[1-2],[3][4][5]3.,;,,,,.,;[6-7]...1[6-7][6-7]([6][7]),.[8][9];.:(1),(2).V=Vc+Vs+Vv012+115fcbhb0+1125fyvAsvshb0+fssvtwhw(1)200607224()JournalofShenyangJianzhuUniversity(NaturalScience)July2006Vol122,No14V=Vc+Vs+Vy012+115fcbh0+fyvAsvsh0+0158fatwhw(2)(1)(2):Vc;Vs;Vy;;fc;b;hb0;h0;Asv;s;fvv;fssvfa;twhw.(1)(2),VcVsVy,(1)(2):(1).hb0h0.,.(2)Vs,1125,110.(3)Vy,,.,,(VcVsVy),.:SRC,3000mm,1,C40,Q345,HPB235(12@200),HRB335(As=3436mm2,As=1964mm2),Vu.(1)Vu=4530kN,(2)Vu=2490kN.(1)(2)8119%,[6-7],?[10],(1)(2),[11],,[12].12[10]33,VJuVYu,1.1,V0u/VJu11690,01217;V0u/VYu11172,01343;VJuVYu5214%,,.2V0u/VJu-2,,V0u/VJu,,V0u/VJu1,,,.3,,V0u/VYu;2,580()22V0u/VYu1,,,2,.3V0u/VYu-1[6-7]V0u/kNVJu/kNVYu/kNV0u/VJuV0u/VYuSRCIII-12741401841032311061149111188SRCIII-22021601581362431941127901831SRCIII-31721901501482341581114901737SRCIII-41501601281582301371117101654SRCIII-51511901271742291371118901662SRCIII-61311301031532131541126801615SRCIII-7981001011512191960196501446B1-1a3561521541671851732130511920B1-1b3481921311451731712165421009B1-2a3671701881831981111194711856B1-2b1471001021701561871143101937B2-1a2481041331161661541186311489B2-1b2031091141471591111177411276B2-2b1681071091391651511153611015B3-1a3171721621301991211195811595B3-1b2481921411181891331176311315B3-2b1371201061471651631128901828B4-1b2481921041791401022137511778B4-2b137120781021241401175811103B6-1a426120208187274109210411555B6-1b3311931711312631941193811258B6-2a5011472881582991111173811677B6-2b2101701361292561381154601822B7-1a4181462101342771461198911508B7-1b3211541731602681141185211199B7-2b2051801051742171651194601946B8-1b3331791951432931611170811137B8-1a3481782141592841901162511224B8-1b293191781962761721164211062B8-2b2081251431362681571145301775B9-1a430112235193171641182311354B9-1b33817919418309161173911094B9-2b24215215515330314311559017993311[11]1-2;[13]8-2;[13]8-1;33.[11],2;HPB235HRB335;Q235Q345;;sv010014010026010038010050;w01005010200103501050.41647;21100.21100317,.3122((2)).20125015110210115C3041464415714166341604C4041535416394172241655C5041599417014177341698210C3041478415844167441615C4041550416534173441666C5041614417154178641710215C3041482415884167841618C4041554416574173841669C5041619417194178941713310C3041481415874167741617C4041553416564173641668C5041617417184178841711312112,C30C4022:581,01063;C40C50,01055,.2,:1,;1,.2,.31212w4,,,,.5,HRB335HPB235,.45,w,.31213sv6,.312149216,3.456sv3/n/n115,210,215,310301179010069C30,C40,C50201118010596Q235,Q3451010020100210HPB235,HRB3351010340103470125,015,110,210301252010845+,+101153011533+,+101747017471+,+101594015942010014010053010830102880100501053012880109643,(2):3,;,;,.4(1);2,.(2)41647,317,[12];21100,317,[12].(3).(4)[14-15],,582()22.:[1]CharlesW.Roeder.CompositeandMixedConstruc2tion[M].NewYork:ASCE.1985.[2]JohnsonRP.CompositeStructuresofSteelandCon2crete[M].OXFORD:BlackwellScientificPublica2tions,1995.[3].ÓÊ-¨[S].:,2001.[4]AISC.LoadandResistanceFactorDesignSpecifica2tionsforStructuralSteelBuildings[S].Chicago:AmericanInstituteofSteelConstruction.1999.[5]CommissionofEuropeanCommunities.EUROCODE4,CommonUnifiedRulesforCompositeSteelandConcreteStructures[S].Brussel:EuropeanCommit2teeforStandardization,1985.[6].JGJ138-2001/J130-2001,[S].:,2002.[7].YB9082-97,[S].:,1998.[8].GBJ10-89,[S].:,1989.[9].GBJ17-88,[S].:,1988.[10].3[M].:,1994.[11].GBJ68-84,[S].:.1994.[12].GB50068-2001,[S].:.2001.[13],,.[M].:,2001.[14].GB50010-2002,[S].:,2002.[15].GB50017-2003,[S].:,2003.CalculationandReliabilityAnalysisoftheShearCapacityofSteelReinforcedConcreteBeamsSHAOYong2jian1,2,YAN2Shi3(1.SchoolofCivilEngineering;XianUniversityofArchitecture&Technology,710055Xian,China;2.KeyLaboratoryofStructureEngineeringofJiangsuProvince,UniversityofScienceandTechnologyofSuzhou,215011,Suzhou,China;3.SchoolofCivilEngineering;ShenyangJianzhuUniversity,110168Shenyang,China)Abstract:Twoformulaecanbeusedtocalculatetheshearcapacityofsteelreinforcedconcretebeams.Inor2dertostudytheirsuitability,thesecalculationtheories,methodsandformulaewerepresentedatthebegin2ningofthispaper.Engineeringprojectsandexperimentaldatafromtestsincludingthirtythreespecimenswereemployedinthisresearch,andthereliabilityindicesoftheformulaewerecalculatedbymeansofthesecondmomentoffirstordermethod,whichisusedintheanalysisofstructuralreliability.Theresultsindi2catesthatthereliabilityindexofthecalculationformulaprovidedbyTechnicalSpecificationforSteelRein2forcedConcreteCompositeStructures(JGJ13822001)is4.647,whichmeetstherequirementofthedesignvalueofreliabilityindex.However,thereliabilityindexoftheformulafromSpecificationforDesignofSteel2ReinforcedConcreteStructure(YB9082297)is2.100,whichdoesnotmeettherequirement.Therefore,tocalculatetheshearcapacityofsteelreinforcedconcretebeams,itissafeandreliabletoapplytheformulapro2videdbyTechnicalSpecificationforSteelReinforcedConcreteCompositeStructures(JGJ13822001).KeyWords:steelreinforcedconcretebeams;specification;shearcapacity;experimental