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1、北京交通大學(xué)碩士學(xué)位論文大跨度連續(xù)剛構(gòu)橋施工監(jiān)控及溫度效應(yīng)分析姓名:閆燕紅申請學(xué)位級別:碩士專業(yè):橋梁與隧道工程指導(dǎo)教師:雷俊卿20080601ABSTRACTABSTRACT:Withthedevelopmentofbridgeengineeringconstructionandtheimprovementofprestressedtechnology,moreandmorelarge。spanprestressedconcretecontinuousrigidframebridgearebuilt.Tokeeptheaccor
2、danceofalignmentofbuiltbridgeswiththeexpectationandtoinsurethesafetyofbridgesinconstruction,theconstructioncontroliSpaidmoreandmoreattention.Inthedissertation,byengineeringpracticeassistedwiththeoryanalysis,onthebasicoftheconstructionofTianluoBridgeofWenZhou.FuZhouRai
3、lwayPassengerDedicatedLine,theapplicationof“AdaptiveControl’’inconstructioncontroloflongspanprestressedconcretecontinuousrigidframebridgeisdiscussed.AtthesalTletime,thekeyparametersofconstructionprocessofanover-linecontinuouscantileverbeambridgeareanalyzedthroughthefi
4、niteelementsoftware.Throughtheprocessoftheanalysis,theeffectoftheparameterstotheconstructisproved.Accordingtotheanalysisofparameters,wecanfindthebasisforadjustingtheparameters.Inthedissertation,inordertoreceivethetemperaturerangeandthechanceofclosureforlargespanbridge
5、s,theinfluenceofsunlightisdiscussed.Mainresearchworksofthisdissertationareincludedbelow:11MakeareviewofthedevelopmentandstudyaboutLarge-spanPCcontinuousri西dframebridgesinChinaandabroadandmethodofconstructioncontr01.2)Thetheoryandsystemofconstructioncontrolaregivenarev
6、iewandthemethodofdeflectionanalysisandadjustmentisraisedbasedonthe‘‘AdaptiveControl’’theory.3)OnthebasicoftheconstructionofTianluoBridgeofWenZhou—FuZhouRailwayPassengerDedicatedLine,withtheFEM,factorswhichinfluencethealignmentcontrolandstressesofPCcantileverbridges,su
7、chasdensityofconcrete,elasticmodulusofconcrete,temperature,areanalyzed.鍆IntroducetheimplementationoftheTianluoBridge’Sconstructioncontr01.Inordertoobtainthechangesofstress,concretestrainmetersareburiedinthebeam;atthesabletime,measuringpointofelevationareburiedonthebea
8、mtoobtainthechangevaluesofelevation.510ntllebasicoftheconstructionofTianluoBridge,inordertofindthetemperaturerangeandthechan