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ID:15027021
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页数:14页
时间:2018-07-31
《外文翻译---预应力碳纤维布加固钢筋混凝土梁抗弯性能研究》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、翻译材料题目:预应力碳纤维布加固钢筋混凝土梁抗弯性能研究出处:WebMiningandWeb-basedApplication,2009.WMWA'09.SecondPacific-AsiaConference.12目录第一节1Abstract…………………………………………………………………12英文论文原文部分…………………………………………………………1第二节1汉语翻译部分………………………………………………………………812第一章ResearchonDeflectionofStrengtheningConcreteBeamwithPrestressedCFRPSheetsWAN
2、GXiangyang,JIShaobo,ZHAOGuanghuiSchoolofTransportation,WuhanUniversityofTechnologyWuhan,China,430063Wangxy2003@163.comAbstract:CFRPsheetshavebeenwidelyusedinstrengtheningconcretestructuresasanewmaterialandprestressedCFRPsheetscanimprovethecarryingcapacityofbeams.Thispaperresearchedtheaffectiona
3、boutthedeflectionandrigidityofconcretestructuresafterstrengtheningwithprestressedCFRPsheets,andderivedrelatedtheoreticformulas.ItisshownthattheprestressedCFRPsheetscannotdramaticallychangethedeflectionofthestructuresbecausetheprestressedCFRPsheetsaregenerallythinwithsmallmomentofinertiaforthest
4、ructuralsectionsKeywords:prestressed;strengthening;theoreticformulas;deflection;121IntroductionCarbonfiberreinforcedplastic(CFRP)sheetswhicharecharacteristicofhighstrength,lightweightandanticorrosionarewidelyadoptedinstrengthening,butthecapacityofhighstrengthinCFRPcan'tfullyexertwithgeneralstre
5、ngtheningmethod.PrestressedCFRPsheets(asshowninFig.1)canimprovethemechanicalbehaviorsofthemembersinusageandbeargreatsignificanceinpromotingtheresearchesofthistechnologyandfortheengineeringpractices.Figure1CarbonfiberreinforcedplasticsheetsTakingthecurrentlywidelyusedboxgirderbridgesasamodel,thi
6、spaperderivesthemethodofcalculatingthedeflectionofbridgesstrengthenedwithprestressedCFRPsheetsandtheoreticallyanalyzesthemechanicalbehaviorsofthestructuresafterthestrengthening.2Calculationofthedeflection2.1CalculationprincipleWhenstrengtheningconcretebeamswithprestressedCFRPsheetsthecomponents
7、arecommonlyundertheactionofloads;thereinforcedbarhavealreadybeenundersometensilestrainandtheconcreteinthetensileareamayhavealreadyhadcracks.Thedeflectionofthestructuresinusageshouldbecalculatedseparately.TakingB-typeprestressedcon
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