變結(jié)構(gòu)力學(xué)建模及橋梁施工控制研究.pdf

1、河海大學(xué)博士學(xué)位論文變結(jié)構(gòu)力學(xué)建模及橋梁施工控制研究姓名：柯敏勇申請學(xué)位級別：博士專業(yè)：工程力學(xué)指導(dǎo)教師：卓家壽20080401AbstractAbstraCtV砷ingstmcturalsimulationisanewsubjectofmodemnonlinearproblemItisaresuhofthedeVelopmentandcominuationofmodemnumericalsimulation，andcoupledwit

2、hmultinonlineare骶ctsThroughanalysisonva巧ingstmcturalsimulationandfeedbackconstruction，therealstructuralstatus(stressanddefbnllation)shaUbeobtained，andconstructionsafetyshallbecontr01ledduringtheconstructionSoithasahi曲sci

3、entificValueandaprospectofapplicationThedissenationiscomposedofnumeralsimulationtheory，experiment，feed_backconstmctionmethodsandengineeringapplicationforVaryingstmcturesForthefIrstpu印ose，commonmechanicscharacteristicofV哪

4、ingstmcturesisconcluded，andVa巧ingstructuralsimulationtheoryandFEMsimulationmethodarepresented，thesoftwareisproVidedwithFEManalysis，constmctionmonitoringandfeedbackconstmctionSeVeralexperimentsarearrangedinthesecondpart，t

5、hemalcompensationformulaofF：BGopticalfibersensor印proVedbyseVeralRCexperimentsarederiVatedforVa叫structureproceduremonitoring，theconcretecreepandcreepcoemcientreVisionmethodarepresentedforconstitutiVesimulationandconstmcti

6、oncontr01Feed—backconstructionmethodssuchasRecursiveLeast—squaresMethod，ANNandSmoothingSplineMethodareintroducedinthethirdpan，ItisindicatedthatRecursiveLeast—squaresMethodismoreproperforsimulationthecontinue唱irderb“dgeth

7、anthatof砧州，andSmoomingSplineMethodissatisfiedwimtheaestheticalpleasingofthebridgeAtlast，asengineeringapplication，SuqianS249bridgeisadapted，theconstnJctioncontml，theresultofstIless，strainanddefonnationduringtheconstmction

8、arepresented，andthefomulaofdefomationcorrectionforsunshineisproVidedItisconcludedthatthegeometriclineandclosureinaccuracyaresatisjciedwiththerequirementofspecificationTheresultsofdissenationcanbeusedfordesign，stresssimul