鋼管混凝土拱橋施工監(jiān)控技術研究.pdf

1、河北科技大學碩士學位論文鋼管混凝土拱橋施工監(jiān)控技術研究姓名：霍慶杰申請學位級別：碩士專業(yè)：結構工程指導教師：王錫朝20121228河北科技大學碩士學位論文AbstractInrecentyears，withtherapidgrowthofthebridgesinChina，namelythevarietyoftypesandthelargespananddifficultyinbuilding，altogethercontributea

2、newchapterinthebridgeconstructioninChinaHoweverthemonitoringofthebridgeconstructionhasnotbeengivensufficientattentionDuringthebridgedevelopmentthereisbridgesdamageorevencollapsethatcausingsignificanteconomiclossesandcasu

3、alties，therefore，bridgeconstructionmonitoringbecomeveryimportantandurgentThispaperlaunchedastudyofthebridgeconstructiontechniquesandmonitoringworkbasedontheprojectofNing’antheintercityrailjiangning128mlow—throughbasketha

4、ndlearchbridgeThepaperdiscussesindetmlthedevelopmentofthesteelpipeconcretearchbridgeandbridgemonitoring，combined塒ththeresearchstatusathomeandabroad，thispaperfocusonthekeytechnicalproblemsintheconstructionandmonitoringwor

5、k；basedontheprincipleoffiniteelementanalysisandusingMIDASCIVIL2006andDrbridgemodelweestablishedthebridgemodelforstructuralanalysiscalculationThemeasuresinthispaperconformtotherelevantregulationofChina’Shi曲一speedrailwaybr

6、idgesFirst，thispapercarriesoutthetheoreticalanalysiscalculationoftheinfluencefromthebridgedeflection，stressaswellassafetyoftheJiangningbaskethandlearchbridgeWecollectthestructuralparametersofthebridgeduringtheactualconst

7、ruction，analyzethedataandfeedbacktothemodel，andadjustandthenguidetheconstruction，SOastoensurethesecurityandstabilityofthebridgeconstructionActualmonitoringprocessshowsthatthebridgemodelusingacombinationofspacebeamelement

8、methodisconvenientforthestructuralanalysis；theintemalforcesofthetiebeamduringtheconstructionphaserarelychange，thedeflectionandinternalforceschangealotduringthesuspendertensionanditssupportremoving，butstillinthecontrollin

9、gscope；thevariationruleofthearchribisclosertothetheoryanalysis；wimequallyandreasonablyforceonthesuspendertheactualcableforceandthedifferencebetweenthedesignvalueintherangeof士5％，allparametersofthebridgewillmeetthespecific