碳纤维板“嵌入式”加固钢筋混凝土少筋梁受弯性能试验分析-experimental analysis on flexural performance of rc beams strengthened with carbon fiber plate.docx

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碳纤维板“嵌入式”加固钢筋混凝土少筋梁受弯性能试验分析-experimental analysis on flexural performance of rc beams strengthened with carbon fiber plate.docx

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碳纤维板“嵌入式”加固钢筋混凝土少筋梁受弯性能试验分析-experimental analysis on flexural performance of rc beams strengthened with carbon fiber plate

EXPERIMENTALSTUDYONBENDINGPERFORMANCEOFFEWSSTEELSOFREINFORCEDCONCRETEBEAMSSTRENGTHENEDWITHNEAR-SURFACEMOUNTEDCFRPSHEETSAbstractReinforcedconcretestructureisusedincivilengineeringofoneofthemostcommonengineeringstructure.Butsteelreinforcedconcretestructureintheuseprocess,becauseforalongtimebyloads,corrosionanddamagetheenvironmentfatigueadversefactors,makesteelreinforcedconcretestructurethebearingcapacityandsafeusefixednumberofyearisreducedgreatly.Therefore,theexistenceofanumberofnowalreadybuiltreinforcedconcretestructuremaintenance,andremoveintimetoreinforcethesafetyofthestructureistoguaranteethehiddendangerinthelaterstructurethesafeuseoftheeffectivemethods.Carbonfibercompositebecauseitsmaterialisqualitativelight,intensity,corrosionresistanceandanti-fatigueeffectisgood,theconstructionissimpleandconvenient,andmanyotheradvantages,tomakeitinthereinforcementiswidelyusedinthefield.Thetechnologyalsohascausedmoreandmoreattentionofscholarsbothathomeandabroad,anditsapplicationresearchfieldandinconstantexpansion.Combiningwiththenaturalsciencefundprojects:injiangxiprovinceandthedamageinreinforcedconcretebeamsreinforcedmechanismofFRPembeddedwithcanrepairthesexstudy(2010GZC0035)ofcarbonfibresheetmaterialembeddedsteelreinforcedconcretebeamsubjectedtobendingpropertylessmuscleonfurtherexperimentalresearch,Themaincontentsofthispaperinclude:Throughaccesstoexistingcarbonfibernear-surfacemountedreinforcedconcretebeamsreinforcedlessrelevantexperimentalstudyinformationtechnology,choosethestructureofthebeamsize,concretestrength,reinforcementratioandcarbonspecies,size,Productiontestingofcomponentsusedtostudyitsperformanceintermsofbending.Preparedfivesmallbarsofreinforcedconcretebeamspecimensoftheselittlebarsofreinforcedconcretebeamspecimensreinforcedtotakeadifferentapproachandlaboratorytestingwascarriedoutresearch,testingembeddedinthemainconsiderationintheamountofdifferentcarbonfiberreinforcementandembeddedinthecarbonfiberofdifferentlengths,itssmallbarsofreinforcedconcretebeamsinbendingperfo