二次預(yù)應(yīng)力裝配整體式夾層板正常使用極限狀態(tài)試驗(yàn)研究

1、西安建筑科技大學(xué)碩士學(xué)位論文二次預(yù)應(yīng)力裝配整體式夾層板正常使用極限狀態(tài)試驗(yàn)研究姓名：曹寶平申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：郝際平徐金聲20040301TheTestStudyofsecondprestressingprecastslabssandwichofserviceabilitylimitstatesSpecialty：EngineeringStructureName：CadBaopingInstructor：HaoJi

2、pingProfessorXuJingshengResearcherXueLihongViceResearcherWangMingguiResearcherAbstractThisthesismainlyresearchessecondprestressingprecastslabs，Itisimpommttostudyitsonewayslabfloor’sabilityinuseSpecificcontentindude：imita

3、teconstructionloadlab，throughthismethodtoanalyzethepreeastslabs’properti鷦inthefirststageinburdenloadOnewayprecastslabs’lab，analyesonewaypreeastslabssandwichsabilityinsecondbnrdenloadstageWeanalyesposttensionedprestressin

4、gpropertiesandcomparingwithpracticedresI船Weanalyseonewayprecastslabsandwichnegativemomentsect：ionresistantcrackpmper6esandtwowayprccastslabssandwichunderplaneresistantcrackatunprestressedsectionandsecondprestressingpropt

5、iesWecomparecancelingbondedreinforcementwithhyingonbondedreinforcementresistantcrackpropertiesanddeformationAuxiliarylabinclude：concreteresistantpollutionintensity，concreteresistantcompressingintensityandelasticmodulus，c

6、omparewithresultsofcodeanalysesandwich’sslrainandlongtimestress，strainandintroduceanewmethodthroughtheorycalealatinglongtimestressandstrainBasedontheexperimentalresults，inconaretelimitationstresssandwichfirststagesabiuty

7、andonewRyandtwowayprecastslabssandwich，resultscontentcoderequire—seconddasscrackcontr01ResistantcrackcalculationisappropriateBecauseposttensionedprestressedadvancesplane’sresistantcrackDeformationandsectionstrainmeasurea

8、ccordwithcalculationresultsthisindicates3DgriddingbeamsmodulusisreasonabletoprecastslabssandwichKeywords：sandwich，precastslabs，pretensioned，second—prestrcssingcrackresistance，deformation，creeptheoryThisresearchissponsore