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1、武漢理工大學(xué)博士學(xué)位論文火電廠有粘結(jié)預(yù)應(yīng)力混凝土框架抗震性能試驗研究姓名：夏訓(xùn)成申請學(xué)位級別：博士專業(yè)：橋梁與隧道工程指導(dǎo)教師：盧哲安20090401武漢理1：人學(xué)博士學(xué)位淪文AbstractThedeaeratorsandcoal-bunkerbaysofmainpowerhousesofthermalpowerplantsareusuallyimposedonheavyverticalloadsandthetransversalspansareverylarge．Comparedwiththeconv
2、entionalstructuraldesign，namelythenormalreinforcedconcrete(bent)frames，theprestressedconcrete(PC)framesarescarcelyappliedinthermalpowerplantshomeandaboard．TherearestillmanycontroversiesonaseismaticperformanceofPCframesastheyareappliedinindustrialbuildings
3、withspecialtechnologicalrequirements．Therefore，itisneededforfurtherexploratoryresearchandimprovementsfortheaseismaticperformance．FocusingonthePCframe，thepseudo—statictestofplanarframeandtheshakingtabletestofspaceframearecompleted；simultaneously，thetestres
4、ultsandthenumericalsimulationarecomparedandanalyzed．Themainresearchworkincludes：1．Pseudostatictest．Basedontheexperimentonacommonmultilayersingle-spanprestressedconcreteplanarflame，followingstudiesarechieflyconductedinthischarpter：thefailurepatternofthefra
5、meunderhorizontalearthquakes；thehysteresiscurves，skeletoncurves，stiffnessdegradationCurvesandstraincurves；thedisplacementductilityfactor,girdercurvatureandangle；thesequenceofplastichingejointsandthefailuremechanism．2．Shakingtabletest．Astheresearchobject，t
6、hedynamicresponseofamultilayersingle—spanPCspaceframeisanalyzedwhichissubjectedtothreeearthquakes．Accordingtothephenomenonoftest，thestructuraldestructionfeaturesareanalyzed；theperiodandmodeofvibrationofprototypearededuced；theinfluencedegreeofthetorsionont
7、hestructure，thestiffnessdegradationamplitude，inertialforcedistributionoflayers，timehistoryofaccelerationanddisplacementarecalculatedanddiscussed．3．AspaceframeFEmodelisestablishedbythree—dimensionalentityelementsandthenonlinearfiniteelementdynamictime-hist
8、oryanalysisisconducted．Basedonthecomparisonofanalysisresultsandexperimentalresults，itismainlystudiedonthestructuralreactionundersmallandstrongearthquakes．Theresultsofplaneframemodelandspatialframemodelarecomparedwhi
