马都拉侧引桥挂蓝说明书(eng)

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1、马都拉侧引桥挂蓝说明书(eng)DescriptionforDesignofFormTravelerofMaduraSideI.Basis1、DetaileddesigndrawingsofMaduraapproachbridge2、DesignManualofSteelStructure3、》StructuralMechanics,MechanicsofMaterials4、CodeforDesignofSteelStructureandTimberStructureofHighwayBridges&

2、Culverts（JTJ025-86）5、ManualforComputationofStaticofArchitecture6、TechnicalSpecificationforConstructionofHighwayBridges&Culverts（JTJ041-2000）Ⅱ.GeneralThesuperstructureofMaduraapproachbridgeisthecontinuousbeamwiththelayout(40＋7×80＋40)m.Thewidthofsinglepart

3、is14.7m.Thesinglepartissingle-box&single-cellboxgirder.CantileverconcretingofsegmentsNo.2#-~8#isdonebyformtraveler.Lengthofsegmentofboxgirder:therespectivelengthofthesegmentNo.2#～3#is4m.TherespectivelengthofthesegmentNo.4#～8#is4.5m.Theweightofmajorsegmen

4、tsofboxgirder:theweightofsegmentNo.2#is131.88tonandtheweightofsegmentNo.4#is131.62ton.Thewidthofthetopsurfaceoftheboxgirderis14.7m.Thewidthofthebottomplateis7.5m.Theheightoftheboxgirderattherootis4.4m.Theheight(crosssection)oftheboxgirderatmiddlespanandthecl

5、osuresegmentis2.4m.Thethicknessofthebottomplateoftheboxgirderfromtheroottotheendofthecantileverconcretingsectionvariesanddescendsfrom52.6cmto26cm.Thethicknessofwebplateoftheboxgirder.ThethicknessofthewebplateoftheboxgirdersegmentNo.2#～3#is60cm.Thethicknessof

6、thewebplateoftheboxgirdersegmentNo.4#varieswithin60cm～45cm.ThethicknessofthewebplateoftheboxgirdersegmentNo.5#～8#is45cm.ThethicknessofthetopplateofboxgirdersegmentNo.2#～8#is26cm.Ⅲ.Designofformtraveler1、DesignparametersAllowablemaximumdeformation:20mmAnti-cap

7、sizing,self-anchoringsafetyfactor:2Concretedeadweight:2.6t/m3Stackingloadofconstructionstaffandmaterials:1.5Kpa.Coefficientofformworkexpansion:1.05Loadimposedonhorizontalformworkbyvibrating:2Kpa.Weightofformwork:20ton.·Deadweightofformtraveler:36ton.Thedesig

8、nedallowablestressofallmaterialsshallcomplywithCodeforDesignofSteelStructureandTimberStructureofHighwayBridges&Culverts(JTJ025-86),withthedetailsasfollows.TheaxialstressofQ235steelis140MPa;b