鋼筋混凝土受彎構(gòu)件反向加載條件下的粘鋼加固試驗(yàn)研究.pdf

1、桂林工學(xué)院碩士學(xué)位論文鋼筋混凝土受彎構(gòu)件反向加載條件下的粘鋼加固試驗(yàn)研究姓名：江道鐠申請學(xué)位級別：碩士專業(yè)：礦產(chǎn)普查與勘探指導(dǎo)教師：朱暾20040501桂林工學(xué)院碩士學(xué)位論文AbstractThemethodofstrengtheningbyepoxy。bondedplateisoneofthemainmcthodsthatreinforcethestructure，whichbroadlyappliesinthereinforcing

2、ofeverykindofstructure，andhasresolvedlotsofdifficultproblemsontheconstructionAimingatthephenomenonoflaggingstressinthesteelandthecracksuneasytocontrolinthecommonstrengtheningbypoxybondedplate，thisarticlestudiesthestrengt

3、heningeffectofreinforcedConcretebeamsOntheoppositesideloadingconditionTheauthormanufacturessixreinforcedconcretebeamsinexperiment，andanalyzesitsreinforceeffectwhenaddingthedifferentoppositesideloadsAtexperiment，theproces

4、softhecracksinsidethebeamshowtoproducing，developingandchangingarecarefullyobservedandrecorded，andthechangingprocessarealsoobservedandrecordedwhichineludethedistortiondegreeofbeamsandthestressstrainofreinforcement，concret

5、eandsteel，thenheexplainsthereasonsofitsvarietyDrawingoutthecurveofbendingmomentcurvatureandloadrigidityitpointsoutwhichoneisgoodOiltheoppositesideloadingconditionornotInadditiontoanalyzingfromtest，thepaperexplicatestheca

6、lculationofbeatingcapacityineachloadingstageofstrengthenedbeamsandtheformulaofrelativecompressionheightinthelimitarydestructionItdeducestheformulaofMaximumcrackwidthandtherigidityofbeamsthroughtheprestresstheoryEventuall

7、yitdrawsaconclusionfromtheexperimentresultandtheoriesanalysis：First，thebeamsstrengthenedbyepoxybondedplateontheoppositesideloadingconditioncabwellcontrolthedevelopmentofcracksanditsabilitywillbestrengthenedwiththeenlargi

8、ngofoppositesideloadSecond，theearlystrainofreinforcementandconcreteinthestrengthenedbeamshasdecreasedwhilethesteelproduceahumberoftensileprestressbecauseitgluetobeamontheoppositesideloadingconditionThjsprestresswilllesso

9、nthelaggingstressofsteel，makeallpartsofbeamscoordinatemuchbetterandprolongtheflexibilityworkstageThird，thestrengthenedbeamswillreducetheearlycurvatureandthedistortiondegree，whichwillgetatargettoreinforceitsrigidityFourth

10、，theformulaofbearingcapacityandrelativecompressionheightwhichdeducefromthetheorywillservicethedesignofstrengthenedbeamsbyepoxybondedplateontheoppositesideloadingconditionFifth，itwillperfectthecodebytheformulaofMaximumcra

11、ckwidthFromtheaboveanalysisandresearchitshOWSthatthereiSanimportanttheoreticsignificanceandavaluableapplicationintheresearchfruits，andthemethodiScapabletoserviceandreferencetothesimilarstrengtheningconstructiondesignKeyw