鋼筋混凝土套箍加固石拱橋承載力計(jì)算方法研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文鋼筋混凝土套箍加固石拱橋承載力計(jì)算方法研究姓名：黎宗勇申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：橋梁與隧道工程指導(dǎo)教師：錢永久20090518西南交通大學(xué)碩士研究生學(xué)位論文第1I頁(yè)AbstractBecauseofconvenienceandlowcostthetechnologyofstonearchbridgestrengthenedbyreinforcedconcrete、衍mhoopingbarsismoreandmore

2、widelyappliedinthesouthwestregionbutthereisnoloadbearingcapacitycalculationmethodsofstoneandreinforcedconcretecompositematerialindesigncodesatpresentTosolvepracticalproblemsintheproject，theresearchofthispaperisasthefollo

3、ws：1Summarrizedtheresearchstatusofstrengtheningbridge，andcommonlyresearchmethodsofstrengtheningstonebridgeandthetechnologyofstonearchbridgestrengthenedbyreinforcedconcretewimhoopingbars2Designedandproduced12setsofeccentr

4、iccolumnofusingreinforcedconcretewimhoopingbarstostrengthenstonemasonryRecordsofthespecimenoftheultimateloadbeatingcapacityfailuremodes，theloadbearingcapacitystrainrelationship，analyzedthethicknessofreinforcedconcrete，ec

5、centricitythelongitudinalreinforcementratioandstirrupsratiochangeparametersontheloadbeatingcapacity3Tmsthesisputforwardthatthemechanismandseveraldifferentdestructionoftheformaboutusingreinforcedconcrete、^，i廿1hoopingbarst

6、ostrengthenstonearchbridgeDifferentmethodsofanalysisandcalculationareusedonthebasisofdestructionoftheformandthemainforce4Throughcomparisonontestresultsandanalysis，andconsideringabovegeneralfactors，wesetupaformulaforcalcu

7、latingthebearingcapacityofreinforcedconcretestrengtheningstonearchbridgewhenreinforcedconcreteasthemainforceCalculatedresultsaresafecomparedwimthemeasureddataandcanbeasaprovidereferenceforreinforcementdesignKeywords：hoop