燒結頁巖多孔磚砌體抗剪強度及其應變試驗研究.pdf

1、重慶大學碩士學位論文燒結頁巖多孔磚砌體抗剪強度及其應變試驗研究姓名：李衛(wèi)波申請學位級別：碩士專業(yè)：結構工程指導教師：駱萬康20090604英文摘要ABSTRACTWitht11eprogressanddevelopmentofsociety，thestateputnewdeIllandstowallmaterials—enviromentalprotection，energysavingChongqingis10catedinthemo

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3、anicle，basedontlleresearchofsinteredCoalgangueshalebdckmasonryshearstrength，theperfIo咖a11ceofshearandcompressiVestress，shearsnressstrain，itprovideatestmg鋤dmeoreticalbasisforreVisingnationalstandardsoftheeXisting”CodeforD

4、esi印ofm弱on巧structures”GB5003—200laboutsinteredshaleperfbratedbrick，soastopromotingmeuseofla昭eareaAnalysisofexperimeIltalresulthasshow5pointsbelow①Shears們ngthofperforatedb^ckmaSonryiscomposedofmortarcohesiVestrengma11dpin

5、key’sshearstrengthBecausemoIrtarpinkeysinpe墑ratedbrickmasonⅨmes仃aightlineshearstreIlgthofperfbratedbrickmasonryishighert11aIlthatofsolidbrickThemeanvaluefo肌ulaofs缸ai曲t—lineshearofcircularholeperforatedbdckmason姒whichisdi

6、丘erent丘ommeeXisting”CodeforDesignofmasoIlry蛐rLlctures”GB5003—2001，isobtainedaccordingtotlleregressionoftestdatai11misp叩cI②Tllecorrelativelawofshe弘compressionconlbinationofcircularh01epe響ratedbrickmasonryisbasicallyastlle

7、s鋤e嬲thatofmerectallgularhole鋤dsolidbrickmaSon珥theshe瓣唧ressioncombineds仃engthofcircularholeperforatedbrickmasonr)，isalways10wermanmatoftllesolidbrick，but1li曲erthanmatofmerectaIlgularholeperforatedbrickmaSomyThemeaIlValuef

8、omulaoftheshea卜Compressioncombineds訊=llgtllofcircularholeperforatedbnckmaSonryisobtainedacCordingtothere筍essionoftestdatain“spaper，andexporttheshearmctionfomulaofmevariable銜ctioncoe伍cieIlt③Theshearsness—s仃ainofs仃ai曲t一1in

9、eshears仃engmhaSthefollowingchamct鰣stics：1)WitlltheiIlcreasingofmortars仃engm，theshears仃aindecreased，whichindicatstllatshearmodulusa11dbrittlenessofthemaSon巧arebothincreased；2)WheIlshearstressissmaller，t11esnesss仃ainrelati