汶川地震后建筑的抗震加固技术

33120112EarthquakeResistantEngineeringandRetrofittingVol.33No.1Feb.2011EarthquakeResistantEngineeringandRetrofittingFebruary20111002-8412201101-0106-0612312121.7300002.7300003.730030。。。、、。TU352ASeismicEvaluationandSeismicStrengtheningafterWenchuanEarthquakeZhangJing-shu12JinDe-bao3FuBao-ming12WangChao-cheng1.KeyLaboratoryofMechanicsonDisasterandEnvironmentinWesternChinaLanzhouUniversityLanzhou730000China2.CollegeofCivilEngineeringandMechanicsLanzhouUniversityLanzhou730000China3.GansuArchitectureDesign＆ConsultationCo.Ltd.Lanhou730030ChinaAbstractBuildingdamageofWenchuanearthquakeprovedonceagainthattheseismicstrengtheningisthemostimportantwaytoimprovetheseismiccapabilityoftheexistingbuildings.Inthispapertheinformationofearthquakedamageofbuildingsispressentedandthenecessityandimportanceofseismicstrengtheningarediscussed.Andseismicstrengtheningmethodsaresummarizedtraditionalstrengtheningtechnologyiscomparedwithnewtechnologythattraditionalmethodsshouldbepreferredinthepresentsseismicstrengtheningissuggested.Finallythedifficultissuessuchasbeam-columnconnectionszonestrengtheningofframe-structurefireproofproblemofstructuregluestructuralelementsstrengtheningneardeformationjointareanalyzedandproposestreatmentmethodsareproposed.Keywordsearthquakedamagetobuildingseismicstrengtheningbeam-columnconnectionsofframe-structurefireproofproblemofstructuregluestr[e-mail]2010-01-14510781760810GKDA07920085128.0。20081086922737464317923110×104km2。、、。。。、、。11.11～2。1977～1978556《》。1985《》。1987331·107·EarthquakeResistantEngineeringandRetrofittingVol.33No.120112m2。1988～1992、。、。19982000、、。2001。。。。1.211976197513。1976。。2199619967.04。110、。4。2704。3199619966.475。。。30m。42008619731992。6。。22.127～9。1。①。②。。、。③、。2①、。②、·108·20112EarthquakeResistantEngineeringandRetrofittingFebruary2011。③。。。、。2.21。、10。。。2。2。、、、。。、、11。3。、。112。1Table1PerformancecomparisonofseveraltypesoffibermaterialmmMPaGPa%0.11135502351.50.14320005500.40.19321001201.80.1181500742PBO0.12835002351.5Dyneema0.25818006030.1192400902.7。。4－+8～920mm～40mm。。、。5913。。90、。331·109·EarthquakeResistantEngineeringandRetrofittingVol.33No.12011。。614～15。。。40mm、。16。33.1。17。21。2。3、、。4。。《》18。3.2、、。19、、、、。。Dimitrienko20150℃50%300℃95%。、。①。②。3.3。212。1。2。3。。1·110·20112EarthquakeResistantEngineeringandRetrofittingFebruary2011。2。。41。2。3。4、、。5。References1.J.200628616～19TianJieandLiuZhi-gang.ReviewandsuggestionsofaseismaticreinforcementinChinaJ.EarthquakeResistantEngineeringandRetrofitting200628616～19inChinese2.M.20065～12ZhangJing-shu.BuildingSeismicEvaluationandStrengtheningM.BeijingChinaWaterPowerPress20065～12inChinese3.M..2000598ShenJu-minZhouXi-yuanGaoXiao-wangLiuJing-bo.EarthquakeEngineeringM.BeijingChinaBuildingIndustryPress2000598inChinese4.7.0J.1996226～29GeXue-liShaAnGongZheng-guangetal.TheeffectofearthquakedisasterpreventionplanningandseismicreinforcementaftertheLijiangM7.0earthquakeinYunnanProvinceJ.EarthquakeResistantEngineering1996226～29inChinese5.6.4J.1996436～40LiDe-huDingShao-xiangLiYi-hongChenShan-yang.TheanalysisofBaotou6.4-magnitudeearthquakedisastersandseismicfortificationeffectionJ.EarthquakeResistantEngineering1996436～40inChinese6A.C2008113～114LiuAn-xiongMiaoQi-SongLiWen-fengandLiXing-wangEarthquakedamagesurveyandrepairproposalofmasonrystructureinDujiangyanafterWenchuanEarthquakeA.BuildingSeismicDamageInvestigationandtheAnalysisofPost-disasterReconstructionunderWenchuanEarthquakeCBeijingChinaBuildingIndustryPress2008113～114inChinese7.M.200120～22ZhangXi-guangWangJun-sunandLiuHui-shan.TheMaunalforSeismicAppraisalandStrengtheningofBuildingsM.BeijingChinaBuildingIndustryPress200120～22inChinese8.J.20060819～22XueYan-taoandFanSu-rong.TheintroductionoftraditionalandnewseismicstrengtheningtechniqueJ.Construction＆DesignforProject20060819～22inChinese9JGJ116-2009SJGJ116-2009TechnicalSpecificationforSeismicStrengtheningofBuildingsSinChinese10.M.199742～43ZhouFu-lin.DampingControlofEngineeringStructuresM.BeijingEarthquakePress199742～43inChinese11.J.200122235～39331·111·EarthquakeResistantEngineeringandRetrofittingVol.33No.12011WangYa-yongXueYan-taoandOuJi-pingetal.StructuralAnalysesandDesignofSeismicRetrofittingwithEnergyDissipationDampersforBeijingHotelandOtherKeyBuildingsinBeijingJ.JournalofBuildingStructures200122235～39inChinese12.A.C2008383～395WuGangWuZhi-shenLvZhi-taoetal.TheOutstandingAdvantagesofBasaltFibersinthePost-earthquakeStructuralStrengtheningandRepairingA.BuildingSeismicDamageInvestigationandtheAnalysisofPost-disasterReconstructionunderWenchuanEarthquakeCBeijingChinaBuildingIndustryPress2008383～395inChinese13GB50367-2006SGB50367-2006DeginCodeforSrengtheningConcreteStructureSinChinese14.J.20083877～9XuYou-lin.ThethinkingontheprefabricatedprestressedhollowRCSlabafterWenchuanEarthquakesJ.BuildingStructures20083877～9inChinese15.J.200824797～100ZhaoXi-an.ProblemsExistinginStructuralDesignandConstructionJudgingbyWenchunEarthquakeDamagesJ.BuildingScience200824797～100inChinese16.A.C2008448～454ZhouXu-hongWuFang-boZhangJing-shuetal.Theapplication