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1、兰大《钢结构设计原理》13春在线作业414spring13autumnbigblue"steelstructuredesignprinciple"13springonlinehomework4Totalscore:100testtime:一RadioexaminationAmultiple-choicequestionJudgmentquestionRadioexaminationquestions(10questions,30points)・Radio)1.,inordertoimprovetheoverallstabilityoftheax
2、ialcompressionmember,thesectionofthebarshouldbedistributedintheformofthecrosssectionofthebarundertheconditionthatthesectionalareaofthememberisconstantA.focusonthecentroidofthecrosssectionasmuchaspossibleB.asfarawayfromthecentroidaspossibleC.arbitrarydistribution,noeffectD.fo
3、cusasmuchaspossibleontheshearcenterofthecrosssectionFullmarks:32.themostimportantmethodofconnectioninmodernsteelstructuresis()A.weldingconnectionB.boltconnectionC.rivetconnectionD.fastenerconnectionsFullmarks:3Themethodofcheckingthelocalstabilityofsteelmemberunder3.axialcomp
4、ressionisA.andtheoverallstabilityofthesamecheckB.stresscheckingistheratioofwidthtothickness,andisconsideredasslendercolumn."”C.checkingthewidthtothicknessratio,andconsideredas"coarseshortcolumnD.checkingstiffnessFullmarks:34.,inordertoimprovetheoverallstabilityoftheaxialcomp
5、ressionmember,thesectionofthebarshouldbedistributedintheformofthecrosssectionofthebarundertheconditionthatthesectionalareaofthememberisconstantA.focusonthecentroidofthecrosssectionasmuchaspossibleB.asfarawayfromthecentroidaspossibleC.arbitrarydistribution,noeffectD.homeworka
6、nswerdidnotupload,firstforeveryonetoreviewtheuse,ifyouneedtoanswerthespecific,lookatmyregistrationnametofind,asmuchaspossibleintheshearcentersectionFullmarks:35.whentheslendernessratioofasinglecolumnofacolumnisnotsatisfied,thestabilitycalculationofasinglelimbisneeded・Atthisp
7、oint,thestabilityofthesinglelimbshouldbecalculatedasfollowsaxletensionCheckingcalculationofA.B.axialcompressioncalculationbendingmemberCheckingcalculationofC.CheckingcalculationofD.stretchbendingmemberFullmarks:36.,thereisaTshapedsectionoftheaxialforcecomponentcomposedoftwou
8、nequalanglesteelshortlimbconnections,weldedwiththegussetplate,andtheinterna
