钢筋混凝土结构设计 毕业设计外文翻译

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1、毕业设计（论文）外文参考资料及译文译文题目：DESIGNOFREINFORCEDCONCRETESTRUCTURES学生姓名：学号：专业：土木工程所在学院：建筑工程学院指导教师：职称：2014年12月31日原文：DESIGNOFREINFORCEDCONCRETESTRUCTURES1.BASICCONCERPTSANDCHARACERACTERISTICSOFREINFORCEDCONCRETEPlainconcreteisformedfromhardenedmixtureofcement,water,fineaggregate,coarseaggregate(

2、crushedstoneorgravel),airandoftenotheradmixtures.Theplasticmixisplacedandconsolidatedintheformwork,thencuredtoaccelerateofthechemicalhydrationofhencementmixandresultsinahardenedconcrete.Itisgenerallyknownthatconcretehashighcompressivestrengthandlowresistancetotension.Itstensilestrengt

3、hisapproximatelyone-tenthofitscompressivestrength.Consequently,tensilereinforcementinthetensionzonehastobeprovidedtosupplementthetensilestrengthofthereinforcedconcretesection.Forexample,aplainconcretebeamunderauniformlydistributedloadqisshowninFig.1.1(a),whenthedistributedloadincrease

4、sandreachesavalueq=1.37KN/m,thetensileregionatthemid-spanwillbecrackedandthebeamwillfailsuddenly.Areinforcedconcretebeamifthesamesizebuthastosteelreinforcingbars(2φ16)embeddedatthebottomunderauniformlydistributedloadqisshowninFig.1.1(b).Thereinforcingbarstakeupthetensionthereafterthec

5、oncreteiscracked.Whentheloadqisincreased,thewidthofthecracks,thedeflectionandthestressofsteelbarswillincrease.Whenthesteelapproachestheyieldingstressƒy,thedeflectionandthecrackedwidtharesolargeofferingsomewarningthatthecompressionzone.Thefailureloadq=9.31KN/m,isapproximately6.8timesth

6、atfortheplainconcretebeam.Concreteandreinforcementcanworktogetherbecausethereisasufficientlystrongbondbetweenthetwomaterials,therearenorelativemovementsofthebarsandthesurroundingconcretecracking.Thethermalexpansioncoefficientsofthetwomaterialsare1.2×10-5K-1forsteeland1.0×10-5~1.5×10-5

7、K-1forconcrete.Generallyspeaking,reinforcedstructurepossessfollowingfeatures:Durability.Withthereinforcingsteelprotectedbytheconcrete,reinforcedconcrete1.37kn/m6m200400(a)plainconcretebeam9.31kn/m6m200400(b)Reinfocedconcretebeam2φ16Fig.1.1PlainconcretebeamandreinforcedconcretebeamIspe

8、rhaps