混凝土外文参考资料及译文

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1、毕业设计（论文）外文参考资料及译文译文题目：TensileStrengthofMembers学生姓名：学　　号：专　　业：所在学院：指导教师：职　　称：2013年1月6日16外文参考资料：TensileStrengthofMembers1.INTRODUCTIONWhenthesectionofamemberisundertheactionofanaxialtensionforceN,thesectionissaidtobeanaxialtensionmembersection.Justasthecolum

2、nsection,whenthereisamomentMactingsimultaneouslywiththeaxialtensileforce,thesectionisaneccentrictensionmemberwitheccentricitye0=M/Nonthetensilesideofthemember.Thoughtensileresistanceisashortcomingofconcrete,therearestillmanymemberswithtensionusedinengineer

3、ingpractice.Tensionmembersmaybefoundinthelowerchordofapre-casttruss,inoneofthelegsofatwin-leggedcolumn,inthewallofavesselunderinternalpressure,inthetierodofatiedarchandetc.Fig.8.1showssomereinforcedconcretememberswithaxialtensionandwitheccentrictensionused

4、incivilengineering.intrussrectangularreservoirCircularreservoirbunkerlatticedcolumnFig.1somereinforcedconcretememberswithaxialtensionandwitheccentrictensionDesignoftensionmembersisoftenbasedonserviceabilitylimitstate.Thedesignvalueoftensionsteelreinforceme

5、ntiscontrolledbytheallowablecrackwidth.TheChinesecodestipulatesthatinreinforcedconcretetensionmembers,thedesignvalueoftensilereinforcementshouldbenomorethan300Mpa.2.STENGTHOFMEMBERSWITHAXIALTENSIONTestresultsonreinforcedconcretememberswithaxialtensionshowt

6、hatthetension16maybetakenbybothconcreteandreinforcementbeforeconcreteiscracked,andthetensionistakenbythereinforcementaloneafterconcreteiscracked.Fig.8.2showsanaxialtensionsectionattheultimatestate.Theequationmaybewrittenas(1)Where,Nisdesignvalueofaxialtens

7、ion,fyisdesignvalueoftheyieldingstrengthofreinforcement.Fig.2anaxialtensionsection3.STRENTHOFMEMBERSWITHECCENTRICTENSIONAreinforcedconcreteeccentrictensionmembersectionmaybedividedintotwotypes,i.e.,afulltensionsection(orsmall-eccentricitytensionsection)and

8、apartialtensionsection(orlarge-eccentricitytensionsection).Fig.3showsasectionwithreinforcementAsononesideandA′sontheotherside.IftheeccentrictensionforceNisactingwithinthespacebe-tweenAsandA′s[fig.3(a)],thenon