大跨径连续刚构桥施工控制

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1、华中科技大学硕士学位论文大跨径连续刚构桥施工控制姓名：刘建瑞申请学位级别：硕士专业：桥梁与隧道工程指导教师：胡隽20060428华中科技大学硕士学位论文AbstractWiththedevelopmentofscienceandtechnologyandtrafficenterprisemoreandmorelong-spanprestressedcontinuousrigidframebridgesareconstructedtospanwideriverandstraits.Itisdifficultandimpossibletobuidthemwi

2、thbracketasbefore.Long-spancontinuousrigidframebridgesarealwaysbuiltbycantileveredconstructiontechniques,andtheprocessisdifficult.Itpromotestheconstructionandbringbackmanyproblems.Theconstuctionoflong-spancontinuousrigidframebridgesneedsacomplexprocess.Itwillbeaffectedbymanycerta

3、inanduncertainfactores.Theactualconstructionstateofthebridgesmightdeviatefromthestateofthetheoreticaldesign.Therefore,thebridgeconstructioncontrolemphasizestheproblem-findingoutanderror-adjustingintimeandanalysethefollowingstatebythelatestnewparametersandpredictthemostideallinesh

4、ape,soastoguaranteetheconstructionsystemundercontrol.TheShiyanJiangjunRverBridgeisa61+110+110+61m,four-span,prestressedcontinuousrigidframebridges.Itisbuiltbycantileveredconstructiontechniques.Thelineshapeandforceofthebridgeisthetwolargetargetsoftheconstructioncontrol.Iattendedth

5、econstructioncontroloftheShiyanJiangjunRiverbridge,consultedmanyachievementsofconstructioncontrolandstudiedthefactorsthataffectthedisplacementofboxgirderbridgethroughtheconstruction.ThisThesisbringforwardanactualparameteridentifymethodandgiveoutcalculatingprocessaccordingtoself-a

6、daptedtheoryandtheleast-squarcsmethod.Thisthesisalsobringforwardanactualmethodthatcouldeliminatetheinfluenceofdisplacementoftemperature.Thethesisdiscussesthemodelingprocess,calculatingmethod,parametersinterrelatedintheconstructioncontrolandtheleast-squarcsmethodetc.Keywords：conti

7、nuousrigidframebridgeconstructioncontrolself-adaptedcontrollingtheoryparameteridentificationleast-squaresmethodII独创性声明本人声明所呈交的学位论文是我个人在导师指导下进行的研究工作及取得的研究成果。尽我所知，除文中已经标明引用的内容外，本论文不包含任何其他个人或集体已经发表或撰写过的研究成果。对本文的研究做出贡献的个人和集体，均已在文中以明确方式标明。本人完全意识到，本声明的法律结果由本人承担。学位论文作者签名：日期：年月日学位论文版权使用授

8、权书本学位论文作者完全了解学校有关保留、使用学位论文的规定，即：学校有权保留并向