HPFL加固低標號砂漿空斗砌體的抗震性能試驗研究.pdf

1、湖南大學碩士學位論文HPFL加固低標號砂漿空斗砌體的抗震性能試驗研究姓名：季超群申請學位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：尚守平20100526HPFL力I嗣低標0砂漿窄寸砌體的抗震性能試驗研究AbstractTherowlockcaVitywaUisatraditionalwallofourcountrywhichhasbeenlargelyusedfortheconstructionofResidentialhousingsince

2、theMingDynastyandatpresent，therearealotofrowlockcaVitywallhousinginthemajorityofourtownsandVillagesBecauseoftheVafiousreasonsoftheconstructionanduse，therowlockcaVitywallusuallyhasthelowstrengthmortarespeciallyintheVastru

3、ralareasThelow—strengthmortarwiUinnuentthestrengthofthewalldirectly，and如rtherinnuentthestlllcturalbearingcapacityoftherow—lockcaVitywallTherefore，tostudytheseismicperfomanceandthestrengtheningmethodofthelowstrengthrowloc

4、kcaVitywallisofgreatsignificanceHighperfomanceferrocementlaminate(HPFL)isanewstrengtheningmethodwhichneedtoimbedthesheardowelonthestrengthenedmatrixmaterialinordertoensurethecommoneffcctofhighperfomanceferrocementlaminat

5、eandtheoriginalstmcturalmemberInordertostudythecommoneffcctperfbmanceofthestrengthenedmatrixmaterialandthemortarbondinterfaceandusethehighperfomanceferrocement1aminateinbrickmasonry，ourstudyingteamhaVedonesomeexperimenta

6、lstudyofinorganicembeddedbarintheeaflyThroughthepull—outtestonconcreteandbrickmasonry，weVerifiedthebondperf0manceofinorganicembedded—baradhesiVe，andanalyzedtheinnuencetotheeffectsofbondperfomancebydifferentsteeltypes、dia

7、meterandembeddeddepthBesides，wemainlycarriedoutalowcyclicloadingtestonthesixrowlockcaVitywanswhichstrengthenedwithHPFLDuringthetext，wegotthecrack’sspreadprocessofthewallandthecrack’sdistributionfomwhenthewalldestruct、cra

8、ckingload、ultimateload、horizontaldisplacement、hystereticcurVeandsoonResultsfromexperimentsshowthatthestrengtheningmethodofhighperfomanceferrocementlaminateiseconomicalandef億ctiveAt1ast，basedontheexperiment，wecombinedthet

9、heoryofbrickmasonry’sshearstrengthtomainlystudythecalculationmethodoftheshearstrengthoftherow—lockcaVitywallstrengthenedwithHPFLThroughtheexperimentalresultandtheoreticalanalysis，thecapabilityofseismicshearfo眥ulaoftherow