鋼筋混凝土套箍加固石拱橋受力性能研究.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受力性能研究姓名：姜慷康申請(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20090501西南交通大學(xué)碩士研究生學(xué)位論文第1I頁AbstractLowercarryingcapabilitymaterialaginganddamagesinexisingbridgeshavebeenconcernedallovertheworldRelevantlymaintenance，evalua

2、tionandreconstructionforexistingbridgeshavebecomethefocusintheengineeringNowthestonearchbridgesinourcountryarecommonlyshortofcarryingcapacityandhavebeendamagedoveryearsAndthestonearchbridgestrengthenedbyreinforcedconcret

3、ewithhnopingbarsisanewtechniquetothatsituationInthispaperbasedonthetests，thebehaviorofarchstonebridgestrengthenedbyreinforcedconcretewithhoopingbarshavebeenstudied，mainlyinclude：1、Theexperimentswerecarriedouttotwogroupso

4、fmasonryspecimensstrengthenedbyreinforcedconcretewithhoopingbarswithdifferentparametersandtospecimenunstrengthened2、Basedontheexperimentdata，theactulload—straindiagramsweredrawn；thendesigntheacademicstress—strainconstitu

5、tionalrelationshipmodelaboutconcreteandstonemasorkryentertheactulstrainintothemodel，gettheacademicload—straindiagrams，whichcomparedwiththeactulone，provethattheacademicstressstrainconstitutionalrelationshipmodelaboutconcr

6、eteandstonemasonrydesignedWasright3、ThestressanddeflectionstoaactualbridgearecalculatedandanalysedatthestageofstrengtheningprocessandservicetimeTheresearchworksinthisthesis，whichcanprovidesometechnologydatafortheengineer