粘鋼加固鋼筋混凝土梁的試驗(yàn)研究與理論分析

1、武漢理工大學(xué)碩士學(xué)位論文粘鋼加固鋼筋混凝土梁的試驗(yàn)研究與理論分析姓名：李文盛申請學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：盧哲安20020101ABSTRACTInthisexperiment，tenbeamshavebeencastAmongthem，fourRCbeamsforcontrastingarenotstrengthened，fourRCbeamsstrengthenedbygluingsteelssufferloadingd

2、irectlyandtwCbeamssufferloadingtocrackandthencontinuetobeputoutloadingafterbeingstrengthenedbygluingsteels，thentheexperimentsofcapabilityofbearingbendingarecarriedoutonthemrespectivelyBytheobservationandanalysistothebear

3、ingfunctionandbreakappearanceoftheRCbeamswithdifferentformsintheexperiment，andwiththeoriesofRCbeamsandstrengtheningbygluingsteelsthemostemphasisisplacedonthethreeproblemssuchasthecapabilityofbearingbending，theclassificat

4、ionandmechanismoftheprematurefailure，andtherigidityanddeflectionundershort—datedloadingTheresultsofthebearingbendingexperimentshowthatthesteelplatesCallbecombinedwithoriginalbeamsbytheconstructiongum，whichmakesthesteelpl

5、atesbearingbendingtogetherwithoriginalbeamsAtthesametimethegluingsteelplatesenclosetensedconcrete，improvethecapabilityofresistingtensionandlimitthecrackintheconcreteTherefore，themethodofgluingsteelplatesimprovesnotonlyth

6、eextremecapabilityofbending，butalsoenhancesthecrackresistanceandtherigidityofbeams，raisesthecapabilityofresistancetodeflectionButbecausethereareshearingstressandremovingstressonthegluingplanebetweenthesteelplatesandconcr

7、ete，thephenomenonofprematureremovingofthesteelplatesinthestrengthenbeamsiseasytotakeplaceWhenthefailuretakingplace，thestrengthofsteelplateshasnotbeenfullyused，itbelongstobrittlefailureandmustbeovercomewithreasonablymeasu

8、reWiththetheoreticalanalysisofbeamsstrengthenedbygluingsteelplates，thisthesisproposetheformulastocalculatethecapabilityofbearingbendingunderdifferentforlTISofloadingandtheworthofthecommonfunctioncoefficientofsteelplatesi

9、ssuggestedAtthesametime，theconceptofprematurefailureandthestandardoffailurearebroughtupFinallythereferencingformulastocalculatetherigidityanddeflectionofbeamsstrengthenbygluingsteelplatesareproposed，andthecalculatingresu