大跨度T—型連續(xù)剛構(gòu)橋梁施工控制及其應(yīng)力與撓度誤差分析調(diào)整.pdf

1、重慶交通學(xué)院碩士學(xué)位論文大跨度T—型連續(xù)剛構(gòu)橋梁施工控制及其應(yīng)力與撓度誤差分析調(diào)整姓名：盧江申請學(xué)位級別：碩士專業(yè)：橋梁與隧道工程指導(dǎo)教師：曾德榮20050325ABSTRACTABSTRACTTheapplicableproblemaboutconstructioncon圩olofcontinousrigidflamebridgeandrelevanttheoryofcontroIiSappliedtounfoldoverallres

2、earchaboutconstructioncontrolandmomtofingoflongspancontinuousrigidframebridgeiSstudiedinthispaper，onthebackgroundofXinqiaolongspanbridge(whichisdoublewidthbridgewithmain—spanofconfinousrigidframebridgeof190mandsinglewidt

3、hbridgelengthof600m)onChongzhunexpresswayBasedonconstructioncontrolmethodandtheoryofsometraditionalmethods，akindofidentifyingmethod—themethodofstressincrementabouttruevalueofstressintheprocessofmonitoringispresentedandle

4、astsquaremethodisappliedtoforcastandanalysetheheighterrortoadjustbracingformheightofboxbeamandletthestressandalignmentmeetthedemandThemainsubjectsaresummariedasfollows：1Basedondesigndrawing，designcalculatingparameters。co

5、nstructionorganization，constructioncraft，hangingbasketdataandSOontooverallcalculatethebridge，themaingirdersectionisoneboxonecell，itmaybesimulatedcalculatinginthesystemofplanebars，itappliestheDrbridgeprogrammetOsimulateca

6、lculatingtheconstructionprocessofbridge，tocheckinternalforceofbridgetocheckifthesectionofbridgestandardanddecidethecalculatingparametersofheightofbracingform，controlsectionandcalculatingstI_eSSofbridge2ItexperimentiSdone

7、todecidethebracingformheightofboxgirdersuchastestofhangingbasketelasticmodulustestofconcrete，andtestdensityofconcreteandsoon，theparametersofconstructioncontrolinpractisearegot3Basedonpracticalmaterialparamtersofconstruct

8、ing(densityelasticmodulus，shinlcageandcreeppararnters)prestressloss，influenceoftempteratum，deformationandfeatureofbeforcedofhangingbaskettOcalculatethebracingformheightofboxgirder4Thekindinfluenceoftemperatureshinkageand

9、creeptoboxgirderdeflectionofbridgeisstudiedandfitadjustingmethodoftemperatureisfound5Throughmonitoringconstructionstagetheheightofmaingirderapplyingleastsquaremethodtoanalyseandcomparecalculatingheightwithobservableheigh

10、tofboxgridefIftheerroristoolarge，thecausemustbefoundandthecalculaimgparametersmustbeadjustingintime，toforecastnextcorrectbracingformheightapplyingmethodofstepandsteptoclosingWelettIlemonitoringheighttoclosethecalculating

11、height，SOastoensnrebox兩deralignment6Settingstresssensoratthesiteofbridgestructurebeforehand(suchastherootsectionofboxbeam，l／4，l／2sectionandSOon)monitoringstressofconstructionprocessofbridgestructure，atthesametimecomparei