毕业论文翻译材料--预应力碳纤维布加固钢筋混凝土梁抗弯性能研究

《毕业论文翻译材料--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，更多相关内容在学术论文-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ResearchonDeflectionofStrengtheningConcreteBeamwithPrestressedCFR

2、PSheetsWANGXiangyang,JIShaobo,ZHAOGuanghuiSchoolofTransportation,WuhanUniversityofTechnologyWuhan,China,430063Wangxy2003@163.comAbstract：CFRPsheetshavebeenwidelyusedinstrengtheningconcretestructuresasanewmaterialandprestressedCFRPsheetscanimprovethecarryingcapacityofbeams.Thispaperres

3、earchedtheaffectionaboutthedeflectionandrigidityofconcretestructuresafterstrengtheningwithprestressedCFRPsheets,andderivedrelatedtheoreticformulas.ItisshownthattheprestressedCFRPsheetscannotdramaticallychangethedeflectionofthestructuresbecausetheprestressedCFRPsheetsaregenerallythinwi

4、thsmallmomentofinertiaforthestructuralsectionsKeywords:prestressed;strengthening;theoreticformulas;deflection;121IntroductionCarbonfiberreinforcedplastic(CFRP)sheetswhicharecharacteristicofhighstrength,lightweightandanticorrosionarewidelyadoptedinstrengthening,butthecapacityofhighstre

5、ngthinCFRPcan'tfullyexertwithgeneralstrengtheningmethod.PrestressedCFRPsheets(asshowninFig.1)canimprovethemechanicalbehaviorsofthemembersinusageandbeargreatsignificanceinpromotingtheresearchesofthistechnologyandfortheengineeringpractices.Figure1CarbonfiberreinforcedplasticsheetsTaking

6、thecurrentlywidelyusedboxgirderbridgesasamodel,thispaperderivesthemethodofcalculatingthedeflectionofbridgesstrengthenedwithprestressedCFRPsheetsandtheoreticallyanalyzesthemechanicalbehaviorsofthestructuresafterthestrengthening.2Calculationofthedeflection2.1CalculationprincipleWhenstre

7、ngtheningconcretebeamswithprestressedCFRPsheetsthecomponentsarecommonlyundertheactionofloads;thereinforcedbarhavealreadybeenundersometensilestrainandtheconcreteinthetensileareamayhavealreadyhadcracks.Thedeflectionofthestructuresinusageshouldbecalculatedseparately.TakingB-typeprestress

8、edcon