鋼桁加勁梁懸索橋施工與成橋階段仿真計算分析.pdf

1、長沙理工大學碩士學位論文鋼桁加勁梁懸索橋施工與成橋階段仿真計算分析姓名：蔣望申請學位級別：碩士專業(yè)：橋梁與隧道工程指導教師：顏東煌陳常松20080501長沙理工大學碩士學位論文摘要AbstractInrecentyears，suspensionbridgesdevelopfastinourcountryAsthemostspanningabilitytypeofbridge，itnotonlyspanriverbutalsoisused

2、incanyonComparingwithsuspenedsteelboxgriderbridges，suspendedsteeltrussbridgeismoreconvenientincanyonThepapertakestheBeipanjiangRiverSuspendedsteeltrussbridgeinGouzhouasthebackgroundandcomputesparameterofconstructionsuper

3、visoryintheprocessofconstructionsuspendedsteeltrussbridgeswillbesatisfiedwiththerequirmentofdesignthroughtheparameterofconstructionsupervisoryThearticletakesthetheanalyticmethodasbaseandwritesthemaincablesystemprogramofs

4、uspensionbridgesacorrdingtwocableshapeonthefinalstatusofsuspensionbridge：paracurveandsegmentalcatenaryTheunstressedlengthformaincable，stressedlengthformaincable，mainsaddle’Spreoffsetandvicesaddle’Sprerotationaldisplaceme

5、ntandthecoordinateofsuspensioncentrearecomputedthroughtheprogramThehomotopyalgroithnandAitkenescalatormethodareusedinthesolutionofnonlinearequations，whichmakestimeofsolutionlessandtheresultsmoreexactThepaperestablishesth

6、efiniteelementmodelofBeipanjiangRiverSuspendedsteeltrussbridgeinGouzhou，thestressanddeformationofmainconstructionmemberareanalyedunderdifferentloadwhichincludedeadload，changingload，temperatureloadandwindloadonthefinalsta

7、tusofsuspensionbridgeTheparameterofconstructionsupervisoryiscalculatedonthebaseofdifferentconstructionstageDuringtheconstructionofkingtower，preelevationandmaximaloffsetlimitationofkingtowerarecalculated；Duringtheconstruc

8、tionofmiancableinstallment，mainsaddle’Spreoffset，vicesaddle’Sprerotational—displacement，shapeofmaincableoninitialstatusofsuspensionbridge，cableforce，shapeofprimarystandardcable，spancentreheightmarkofprimarystandardcablea

9、ndstretchingforceofanchorspanareprovidedDuringtheconstructionofinstallmentofstiffgrider，theconditionofmainmemberbarsstressisdiscussedwithdifferentlinkingmethodCombiningwithengineeringexample，thearticlecalculatesandanalys