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1、大跨度連續(xù)梁橋轉(zhuǎn)體施工力學(xué)特性分析AbstractInrecentyears，withthecontinuousgrowthofthenationaleconomyandtheincreasingofourinvestmentininfrastructureconstructionfield．ourcountry’Shigh—speedrailwayenterpriseisdevelopingrapidly．Sometimes，thesenewlinesunderconstructionneedacrosstheexist
2、ingbusylines．Atthistime，ifweadopttheroutineconstructionmethod，ItwillinevitablydisturbthetrafficorderSOthatthevehiclescannotpassfreely，andhashighrateofrisk．Inthiscase，whenthebridgeacrosstheexistingbusylines，theRotationconstructionmethodmakestheprojectquickandconstr
3、uctionsafeensuredexistingtransportationlineopen，playitsuniquerole，producedeconomyandsocialbeneficialresult，SOthattheRotationconstructionmethodhaveapplicationadvantagesandbrightfutureThisarticleconcerningonthelong—spancontinuousbeamRotationConstruction。discussingan
4、dresearchingabouttheMechaniccalproblemsaboutPanjinLong．span(80+128+80)ContinuousbeaminthePanjinYingkouSpecialPassengerRailway．Themainachievementsareobtainedasfollows：Firstly，accordingtothePanjinBridgecharacteristicandconstructionsequence，thisarticleanalysesthecons
5、tructionprocessbythefiniteelementsimulationcalculation．Keepthecontinuousbeam1inearunderthepreciseandreliablecontrol，thebeamrotationsuccessfullyandclosureprecisely，Bridgelinearwithintherangeofthepermissionofdesign．ThisresultdemonstratesthattheconstructionContr01iSa
6、ccurateandeffective．Secondly，ThearticleintroducestheAnalysismethodofunbalancedforceinBridgeconstructionadoptingrotaryconstructionmethod，F(xiàn)oranexample，takePanjinBridge，introducesthespherichingerotarymovementmethod、thestressestimatemethod，givescalculationmethodofunba
7、lancemoment，eccentricity，resistancemomentandfrictionfactors，concludedtheadvantagesanddisadvantagesofdifferentmethods，thespherichingerotarymovementmethodobtainmorereliablemechanicalparameters．Thesandbox—stressestimatemethodandtheunderspherichinge—stressestimatemeth
8、odcanquicklydeterminetheunbalancemomentoftherotating--bodyinanearlyphaseandinitiallydeterminingcounterweights．ThesemethodsCanbeusedinunbalancemomenttest
