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25320109JOURNALOFCATASTROPHOLOGYVol.25No.3Sep.2010*150080、、、4、。U442.5+5A1000－811X201003－0037－05。20085128Ⅺ24、161、8618、6140、156。8.0。17.31975、7.81976、·7.11989、6.6NorthridgeEarthquake1994、7.01996、7.81999、7.31999、8.020081121－71。1844。1/%7365.25146.45246.44842.92925.92623.22623.2119.81.11125365.2%、、。、、、。8。。－。5326。5329*2010－01－152008080812004DEA709401984－.E-mailwangzairong001@163.com25。1.22616。1112514846.4%42.9%。、、。。1。。、。2310。12C23。。。4。41.3、。。。。Tong－feng10～20cm30～50cm。PCI。、5。1.48335。202611。、、、。、、、。1989·StruveSlough6。727。6·Struve－Slough71.5、、、。20。。89。8922.11122。2/。93252ⅥⅦⅧⅨⅩ5/87/268/1916/3210/122/810/2610/1914/328/124/810/2610/1915/329/122/811/2611/1916/329/122/87/267/197/326/120/82/262/198/329/121/88/264/196/323/120/81/261/192/326/122、、。。X。2.219767.84020088.0333。3。。9。3/%4033331982.557.62686524.228187054.5231557.545.521252.56.11062518.11960、、。19641970、100%、。、、、、。。2.3197%。。。19957.2320085。。。。。2。。。043。10。10。102.4。－K26+773、、。3。1、、4。2X。320、。4。5。1.M.1995.2.M.1986.3.J.2000434－384EERC.LomaPrietaEarthquakeReconnaissanceReportJ.Earth-quakeSpectra19906101－107.5NZNSEE.TheLomaPrietaCaliforniaEarthquakeofOctober171989ReportoftheNZNSEEReconnaissanceTeamJ.BulletinofNewZealandNationSocietyforEarthquakeEngneering199023569－575.6EERC.NorthridgeEarthquakeReconnaissanceReportJ.Earth-quakeSpectra199611400－407.7NZNSEE.NorthridgeEarthquakeReconnaissanceReportReportoftheNZNSEEReconnaissanceTeamonthe17January1994NorthridgeLosAngelesEarthquakeJ.BulletinofNewZeal-andNationSocietyforEarthquakeEngneering1994274601－608.8.J.2008461－64.9.M..2008.10.J.2009294147－154.AnalysisonSeismicDamageandItsInfluenceFactorsofGirderBridgesWangZairongGuoEndongZhaoZhaoandMengYufeiInstituteofEngineeringMechanicsChinaEarthquakeAdministrationHarbin150080ChinaAbstractInordertostudyseismicdamageanditsinfluencefactorsofgirderbridgesbasedoninvestigationdataofgirderbridgedamagesinseverallargedomesticandforeignearthquakestheseismicdamagephenomenaareanalogizedandthereasonsareanalyzed.Influenceofsomefactorsonthebridgedamageisanalyzedinmorethan4aspectsasseismicintensityconstructiontimestructuralsystemsecondarygeologicaldisastersandsoon.Recognitionininfluencefactorsonseismicdamageanddamagemechanismofgirderbridgesisobtained.Keywordsgirderbridgecontrastiveanalysisseismicdamageinfluencefactors14