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216Vol121,No.6200512BUILDINGSCIENCEDec.2005[]1002-8528(2005)06-0001-06(PUSH-OVER),,,(,100013)[];,;;[];PUSH-OVER;;[]TU313[]AMethodofPush2overAnalysisanditsApplicationtoProjectXUEYan2tao,XUPei2fu,XIAOCong2zhen,XUZi2guo(ChinaAcademyofBuildingResearch,Beijing100013,China)[Abstract]Thispaperprobesintothemethodandprocedureofconductingelastoplasticalcomputationofstructuresbyadoptingthestaticnonlinearmethod.AccordingtotheSeismicEffectCoefficientCurveadoptedbythenewCodeforSeismicDesignofBuildings(P.R.China),thispaperfirstlydeducesthedemandspectrumappliedtotheelastoplasticalcomputation,thensuggestsreasonableloadingmodeinthesidedirectionofastructure,finallymakesadetailedexplanationthroughcomputationalexamples.[Keywords]staticelastoplasticity;push2Over;capacityspectrum;demandspectrum[]2005-02-24[](1963-),,[]yantaoxue@tom.com1GBJ11-89,,,,;,(),,GB50011-2001JGJ3-2002,,,(PUSH-OVER),()2(PUSH-OVER),,,,,,PUSH-OVER©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:[1],PUSH-OVER,;[2],PUSH-OVER,,,,,:;,;PUSH-OVER;;;,;,,2.1,,,2.2PUSH-OVER,,,,,1(1)40m,,,(1a)(1):Fi=GiHinj=1GjHjVEK(1),VEK;Hii;Gii1(2)(1b):Fi1=Xi1Ginj=1Xj1GjVEK(2):Pi=nj=1F2ij(3),Xi1;Fij,(5)(3),(1c)Fi=Ginj=1GjVEK(4)(4),,,,(1d)Fij=jjXijWi(5)Qij=nk=1Fkj(6)Qi=nj=1Q2ij(7)Pi=Qi-Qi-1(8)2©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(PUSH-OVER),(1)(3),;(4),,,[3],,,PUSH-OVER,,;,,,,,;,2,-PUSH-OVER2PUSH-OVER2.3,,,:1=ni=1(GiXi1)/gni=1(GiX2i1)/g(9)1=ni=1(GiXi1)/g2ni=1Gi/gni=1(GiX2i1)/g(10)Sa=V/G1(11)Sd=top1Xtop,1(12),Gii;Xi1i;V;G;top;Sa;Sd33,:T=2SdtSat(13),,2.44,,,3©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()(14):Sat=tg(14),tt(15):Sdt=Sat/2=T2t42Sat(15)(Sdt,Sat),5,8II1,5%10%15%20%5,,,,2.5,,,P,66,A1A2,:ED=4(aydpi-dyapi)(16)767:EE=apidpi/2(17):0=ED4EE=2(aydpi-dyapi)apidpi(18):s=e+0(19),e;,0.31.0s=0.05+0;4©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(PUSH-OVER)s=0.02+02.6,,88,,,,,((13))((19)),,(14)(15),,,,82.7,(12),,,,3,9,30,109m,,,1212m;3307.59m9:110C50,11C40;(mm):14500,26500,3303500;(mm):16700,710600,11400;(mm):12950950,3650650,36950950;,12mGL-1(:mm)9003002010,GL-26503002010;5©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(mm)8502000;;2.4s,10PUSH-OVER,26473kN,762mm10PUSH-OVER118II1,5%10%,5%41%,8,(238,0.187),7.4%,357mm11515,113,12;16,1/2521312134(1),;(2),;(3),:,;,;(4),,,[][1]BuildingSeismicSafetyCouncil(BSSC).’NEHRPCommentaryonGuidelinesfortheSeismicRehabilitationofBuildings’[R].FEMA368,developedfortheFederalEmergencyManagementAgency.[2]SeismicEvaluationandRetrofitofConcreteBuildings(Volume1)ATC-40[R].CALIFORNIASEISMICSAFETYCOMMISSION.[3],.PUSH-OVER[D].2001.[4]GB50011-2001,[S].[5]JGJ3-2002,[S].6©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.