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1、兰大《钢结构设计原理》13春在线作业214spring13autumnbigblue"steelstructuredesignprinciple"13springonlinehomework2Totalscore:100testtime:一RadioexaminationAmultiple-choicequestionJudgmentquestionRadioexaminationquestions(10questions,30points)・Radio)The1.axisforcememberisconnectedwiththe
2、sideweldseam,andtheshearstressontheeffectivesectionofthesideweldisdistributedalongthelengthdirectionoftheweldA.isbigatbothends,smallinthemiddleB.issmallatbothends,biginthemiddleC.tmiforindistributionD.lineardistributionFullmarks:32.thespecificationspecifiesthatweldssh
3、allbedividedintoseveralgradesaccordingtotheirinspectionmethodsandqualityrequirementsA.1B.2C.3D.4Fullmarks:32.thespecificationspecifiesthatthelengthofthesideweldshallnotexceed60HF,becausethesideweldistoolong()A.uneconomicalThestressconcentrationattheB.craterhasagreatin
4、fluenceoneachotherTheC.calculationisunreliableD.isnotconvenientforconstructionFullmarks:3The4.specificationstipulatesthatthedesignvalueoftensilestrengthofordinaryboltsonlytakes0.8timesofthedesignvalueofthetensilestrengthoftheboltsteelA.partialsafetyconsiderationsA.may
5、haveaneccentriceffectwhenconsideringactualactionTheadverseeffectofpryingforceonC・D.theaboveA,B,CFullmarks:3Themethodofcheckingthelocalstabilityofsteelmemberunder5.axialcompressionisA.andtheoverallstabilityofthesamecheckB.stresscheckingistheratioofwidthtothickness,andi
6、sconsideredasslendercolumn."”C.checkingthewidthtothicknessratio,andconsideredas"coarseshortcoluiurT"D.checkingstiffnessFullmarks:36.,theanswerhasnotuploaded,firstforeveryonetoreviewtheuse,andifyouneedtoanswerthespecific,lookatmyregistrationnametofindtheeconomicheighto
7、fthebeamistheprincipleof()A.makestheshortesttimeB.usesthemoststeelA.mostconvenientforconstructionB.avoidsthetroubleofcrosssectionsFullmarks:35.whatdesignmethodisusedforfatiguechecking?A.designmethodbasedonprobabilitytheoryB.allowablestressdesignmethodC.allowablestrain
8、designmethodDhomeworkanswerdidnotupload,firstforeveryonetoreviewtheuse,ifyouneedtoanswerthespecific,lookatmyregisterednameto
