外文翻译旧桥加固

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1、TheApplicationofStiffness-InternalForceAdjustmentMethodinWideningandReinforcementofOldHighwayBridgesZhi-xiangZhou&HongXiangSchoolofCivilEngineering&ArchitectureChongqingJiaotongUniversityChongqing,Chinazhixiangzhou@cqjtu.edu.cnAbstract—Stiffness-internalforceadjustmentisamethodand

2、sectiondimensionincreaseisusedinreinforcementofwhichisappliedinwideningandreinforcementofoldprestressedconcretebridgewithcracks;otherwiseitwillformhighwaybridges.Thismethodisthattwonewbeamswithaviciouscircle.Toobtainthebestreinforcementeffect,thelargerrigidityarerespectivelybuilto

3、nbothsidesofthebridgewithdiseaserequireingwideningandreinforcementoldbridgeinordertomaketheoldbridgeunloadingshouldenhancethebridgetransversejointbetweennewthroughthestiffness-internalforceadjustment.Thisme-structureandoriginalstructure[2].Wideningandreinforcementoftheoriginalstru

4、cturewithanewstructurethodwassuccessfullyusedforthereinforcementofdon’tinterruptthetraffic,andithasgoodeconomicbenefit.YingjingBridge.BasedoncalculationbytheSAP,theAccordingtothetheoryoftransverseloaddistributionbendingmomentandshearingforceofthebridge’sside[4]-[7],reinforcementus

5、ingbigsidebeamcanchangebeamsreducedmorethan40%undertheliveloadandthetransverseloaddistributionoforiginalstructure,thentheloadbendingmomentreducedabout30%underthemosttransversedistributionfactorsofnewbeamwithlargerunfavorableload.Theloadtestafterreinforcementstiffnessandcapacitywil

6、lincreaseandthatoforiginalbeamshowedthateverythingofYingjingBridgeisnormal,withdeficientcapacitywilldecrease.Thepurposeofmakingwithouttrafficinterruptionduringtheconstructiontheoldbeamunloadingisreached,thustheloadgradeoftheperiod,andthecostofreinforcementwasonly44%ofthewholestruc

7、tureisimprovedandtheservicelifeoftheoriginalconventionalreinforcement’s.Thismethodwasalsosucc-beamsisprolonged.essfullyusedforthereinforcementofGuanlanheBridge.Stiffness-internalforceadjustmentmethod(patentBasedoncalculationbyANSYS,themaximumstressofapplicationnumber:200810233107.

8、5)isthattwonewtheoldbeam’stopandb