雨课堂学堂在线学堂云《Steel Structure Installation（安徽水利水电职业技术学院）》单元测试考核答案

第1题steelstructuredesigndrawingsaredividedintotwostages:designdrawingsandconstructiondetails.Thefirststageconsistsof()ADesignunitBSteelstructurefabricationplantCConstructionunitDSupervisionunit第2题

steelstructuredesigndrawingsaredividedintotwostages:designdrawingsandconstructiondetails.Thesecondphaseisusuallypreparedby()onthebasisofthedesigndrawingsADesignunitBSteelstructurefabricationplantCConstructionunitDSupervisionunit第3题Thedesigndrawingisthebasisforthepreparationofconstructiondetails第4题Constructiondetailsarealsoknownasprocessingdrawingsorloftingdrawings第5题Theproductionandprocessingofsteelstructurecomponentsmustbebasedondesigndrawings第6题"H"sectionsteelmeans()ACommonI-beamBLightweightI-beamsCWideflangeI-beamsDNarrowflangeI-beams第1题Thesymbolindicates()APermanentboltsBMountingboltsCHighstrengthboltsDElectricrivets第2题Inasetofdrawings,onespecificationshouldbeusedasmuchaspossible,notmorethantwoformats第3题Thindottedlinesindicateinter-barsupportlines第4题Bolddottedlinesindicateinter-columnsupportlines第5题"H"sectionsteelmeans()ACommonI-beamBLightweightI-beamsCWideflangeI-beamsDNarrowflangeI-beams1.1Assignment第1题steelstructuredesigndrawingsaredividedintotwostages:designdrawingsandconstructiondetails.Thefirststageconsistsof()ADesignunitBSteelstructurefabricationplantCConstructionunitDSupervisionunit第2题Inasetofdrawings,onespecificationshouldbeusedasmuchaspossible,notmorethantwoformats第3题Thindottedlinesindicateinter-barsupportlines1.2.1Nodaldesignoperationsforsteelstructures第1题E43weldingrodcorrespondsto()AQ235steelBQ345steelCQ390SteelDQ420steel第2题Thewallthicknessofthehollowsphereshouldnotbelessthan()A1mm

B2mmC3mm

D4mm第3题Thethicknessofthenodalplateshouldbedeterminedaccordingtothemeshframe()AVentralrodinternalforceBUpperchordrodinternalforceCMaximumrodinternalforce

DLowerchordrodinternalforce第4题E55weldingrodcorrespondstoQ390steelandQ420steel第5题Ordinaryboltscanbeusedinimportantshearconnectionstructures第6题Innodessharedbyboltwelding,thenodalconnectionofhigh-strengthboltsadjacenttotheweldshouldbemadebyscrewingbeforewelding第7题Thethicknessofthebearingnodeplateshouldbeincreasedby2mmcomparedtothemiddlenodeplate第8题ThematerialisQ235DandQ345Dsteelmembersneedtobewelded,usingmanualarcwelding,thetypeofweldingrodshouldbeselected()AE43BE50CE55DT50第9题Boltedconnectionsarecurrentlythepredominantconnectionmethodforsteelstructures第10题Thesplicepointofthefactoryspliceispermanentlylocatedinthe()inter-sectionATopchordspanmidnodeBRoofnodes

CLowerchordspanmidnodeDIntersectionswithlowinternalforces1.2.2Jointdesignoperationofsteelstructure第1题Thesplicepointofthefactoryspliceispermanentlylocatedinthe()inter-sectionATopchordspanmidnodeBRoofnodes

CLowerchordspanmidnodeDIntersectionswithlowinternalforces第2题E55weldingrodcorrespondstoQ390steelandQ420steel第3题Thethicknessofthebearingnodeplateshouldbeincreasedby2mmcomparedtothemiddlenodeplate1.2Jointdesignofsteelstructure第1题E43weldingrodcorrespondsto()AQ235steelBQ345steelCQ390SteelDQ420steel第2题E50weldingrodcorrespondsto()AQ235steelBQ345steelCQ390steelDQ420steel第3题Thesplicepointofthefactoryspliceispermanentlylocatedinthe()inter-sectionATopchordspanmidnodeBRoofnodes

CLowerchordspanmidnodeDIntersectionswithlowinternalforces第4题Thethicknessofthenodalplateshallnotbelessthan()A2mm

B4mmC6mm

D8mm第5题E55weldingrodcorrespondstoQ390steelandQ420steel第6题Tensilenodesinsmallspangridswithoutcoverplates第7题ThematerialisQ235DandQ345Dsteelmembersneedtobewelded,usingmanualarcwelding,thetypeofweldingrodshouldbeselected()AE43BE50CE55DT50第8题Thechoiceofbevelformwhenweldingismainlybasedon()ALengthBWidthCHeightDThickness第9题Pressure-bearinghigh-strengthboltedjointscanbeusedinimportantsteelconnectionsthataredirectlysubjectedtodynamicloads第10题"H"sectionsteelmeans()ACommonI-beamBLightweightI-beamsCWideflangeI-beamsDNarrowflangeI-beams1.3.1Boltedballnodes,weldedballnodesandsteelplatebearingnodesoperations第1题Thedimensionsofthebaseplateofthebearingnodeshallnotbelessthan()A100mmB200mm

C300mm

D400mm第2题Thethicknessofthebaseplateofthesupportisdeterminedbythe()oftheplateundertheeffectoftheuniformloadACompressivestrengthBFlexuralstrengthCTensilestrengthDTorsionalstrength第3题Thewallthicknessofthehollowsphereshouldnotbelessthan()A1mm

B2mmC3mm

D4mm第4题Thethicknessofthenodalplateshouldbedeterminedaccordingtothemeshframe()AVentralrodinternalforceBUpperchordrodinternalforceCMaximumrodinternalforce

DLowerchordrodinternalforce第5题Thethicknessofthenodalplateshallnotbelessthan()A2mm

B4mmC6mm

D8mm第6题Innodessharedbyboltwelding,thenodalconnectionofhigh-strengthboltsadjacenttotheweldshouldbemadebyscrewingbeforewelding第7题Thewebofthebeamshallbetestedforshearinthenetsectionofthewebattheboltholes第8题Thethicknessofthebearingnodeplateshouldbeincreasedby2mmcomparedtothemiddlenodeplate第9题Tensilenodesinsmallspangridswithoutcoverplates第10题Thedimensionsofthebaseplateofthebearingnodeshallnotbelessthan()A100mm

B200mm

C300mm

D400mm

第11题Thethicknessofthebaseplateofthesupportisdeterminedbythe()oftheplateundertheeffectoftheuniformloadACompressivestrengthBFlexuralstrengthCTensilestrengthDTorsionalstrength第12题Thewallthicknessofthehollowsphereshouldnotbelessthan()A1mmB2mmC3mm

D4mm第13题Thethicknessofthenodalplateshouldbedeterminedaccordingtothemeshframe()AVentralrodinternalforceBUpperchordrodinternalforceCMaximumrodinternalforceDLowerchordrodinternalforce第14题Thethicknessofthenodalplateshallnotbelessthan()A2mmB4mmC6mmD8mm第15题Inmeshstructureswithsteelpipeballnodes,bevelsmustbeopenedwhenthewallthicknessofthesteelpipeisgreaterthan()A2mmB3mmC4mmD5mm1.3.2Supportnodeoperations第1题Thesplicepointofthefactoryspliceispermanentlylocatedinthe()inter-sectionATopchordspanmidnodeBRoofnodes

CLowerchordspanmidnodeDIntersectionswithlowinternalforces第2题Thedimensionsofthebaseplateofthebearingnodeshallnotbelessthan()A100mmB200mm

C300mm

D400mm第3题Thethicknessofthebaseplateofthesupportisdeterminedbythe()oftheplateundertheeffectoftheuniformloadACompressivestrengthBFlexuralstrengthCTensilestrengthDTorsionalstrength第4题Thethicknessofthenodalplateshouldbedeterminedaccordingtothemeshframe()AVentralrodinternalforceBUpperchordrodinternalforceCMaximumrodinternalforce

DLowerchordrodinternalforce第5题Thethicknessofthenodalplateshallnotbelessthan()A2mm

B4mmC6mm

D8mm第6题Thethicknessofthebearingnodeplateshouldbeincreasedby2mmcomparedtothemiddlenodeplate第7题Tensilenodesinsmallspangridswithoutcoverplates第8题Thedimensionsofthebaseplateofthebearingnodeshallnotbelessthan()A100mm

B200mm

C300mm

D400mm

第9题Thethicknessofthebaseplateofthesupportisdeterminedbythe()oftheplateundertheeffectoftheuniformloadACompressivestrengthBFlexuralstrengthCTensilestrengthDTorsionalstrength第10题Thethicknessofthenodalplateshouldbedeterminedaccordingtothemeshframe()AVentralrodinternalforceBUpperchordrodinternalforceCMaximumrodinternalforceDLowerchordrodinternalforce第11题Thethicknessofthenodalplateshallnotbelessthan()A2mmB4mmC6mmD8mmChapterTest1第1题steelstructuredesigndrawingsaredividedintotwostages:designdrawingsandconstructiondetails.Thefirststageconsistsof()ADesignunitBSteelstructurefabricationplantCConstructionunitDSupervisionunit第2题

steelstructuredesigndrawingsaredividedintotwostages:designdrawingsandconstructiondetails.Thesecondphaseisusuallypreparedby()onthebasisofthedesigndrawingsADesignunitBSteelstructurefabricationplantCConstructionunitDSupervisionunit第3题Thesymbolindicates()APermanentboltsBMountingboltsCHighstrengthboltsDElectricrivets第4题E43weldingrodcorrespondsto()AQ235steelBQ345steelCQ390SteelDQ420steel第5题E50weldingrodcorrespondsto()AQ235steelBQ345steelCQ390steelDQ420steel第6题Thedesigndrawingisthebasisforthepreparationofconstructiondetails第7题Constructiondetailsarealsoknownasprocessingdrawingsorloftingdrawings第8题Theproductionandprocessingofsteelstructurecomponentsmustbebasedondesigndrawings第9题Inasetofdrawings,onespecificationshouldbeusedasmuchaspossible,notmorethantwoformats第10题Thindottedlinesindicateinter-barsupportlines2.1.1Weldmethodwork第1题Thesymbolindicates()APermanentboltsBMountingboltsCHighstrengthboltsDElectricrivets第2题E43weldingrodcorrespondsto()AQ235steelBQ345steelCQ390SteelDQ420steel第3题E50weldingrodcorrespondsto()AQ235steelBQ345steelCQ390steelDQ420steel第4题E55weldingrodcorrespondstoQ390steelandQ420steel第5题Whentwodifferenttypesofsteelareconnected,itisadvisabletouseaweldingrodthatiscompatiblewithhighstrengthsteel第6题TherearetwosteelcomponentsofQ235Dtobewelded,usingmanualarcwelding,thetypeofweldingrodtobeusedis()AE43BE50CE55DT50第7题()isthemostusedformofjointinallkindsofweldedstructuresAT-fittingBOverlapjointsCButtjointDAnglejoints第8题Thechoiceofbevelformwhenweldingismainlybasedon()ALengthBWidthCHeightDThickness第9题Generalweldingrodshouldnotbeusedinquantitiesexceeding()daysatatimeA1B2C3D4第10题Thenumberoftimestheweldingrodisrepeatedlydriedshouldnotexceed()A1B2C3D4第11题Thetensilestrengthvalueofatertiaryweldisapproximately()timesthatofthemainsteelA0.5B0.6C0.75D0.85第12题is（

）AStraightbackandforthmethodoftransportingstripsBSawtoothmethodoftransportingstripsCThecircularmethodoftransportingstripsDFigure-eighttransportmethod第13题is（

）AStraight-triptransportstripmethodBZigzagmethodCCircletransportbarmethodDFigure-eighttransportmethod第14题Thesamepartoftheweldshouldnotberepairedmorethan()timesA1B2C3D4第15题Weldedconnectioniscurrentlythemostimportantconnectionmethodofsteelstructure第16题Structuralconnectionsthatdirectlybeardynamicloads(suchastheconnectionofcranebeamsandcolumnsforheavywork,thejointconnectionoftrusscranebeams,etc.)canbeweldedconnections第17题Theelectrodesmustbestoredinadry,well-ventilatedindoorwarehouse第18题Carbonstructuralsteelandlow-alloyhigh-strengthstructuralsteelareallowedtobeheatedandcorrected,andtheirheatingtemperatureisstrictlyforbiddentoexceedthenormalizingtemperature()A600℃B700℃C800℃D900℃第19题E50electrodecorrespondence()AQ235steelBQ345steelCQ390steelDQ420steel第20题Generally,theamountofweldingrodoutofthewarehouseatonetimecannotexceedthedosageof()daysA1B2C3D4第21题Thetensilestrengthvalueofthetertiaryweldisabout()timesthatofthemainsteelA0.5B0.6C0.75D0.852.1.2Weldformwork第1题TherearetwosteelcomponentsofQ235Dtobewelded,usingmanualarcwelding,thetypeofweldingrodtobeusedis()AE43BE50CE55DT50第2题ThematerialisQ235DandQ345Dsteelmembersneedtobewelded,usingmanualarcwelding,thetypeofweldingrodshouldbeselected()AE43BE50CE55DT50第3题Thechoiceofbevelformwhenweldingismainlybasedon()ALengthBWidthCHeightDThickness第4题Generalweldingrodshouldnotbeusedinquantitiesexceeding()daysatatimeA1B2C3D4第5题Thenumberoftimestheweldingrodisrepeatedlydriedshouldnotexceed()A1B2C3D4第6题Structuralconnectionsthatdirectlybeardynamicloads(suchastheconnectionofcranebeamsandcolumnsforheavywork,thejointconnectionoftrusscranebeams,etc.)canbeweldedconnections第7题Theelectrodesmustbestoredinadry,well-ventilatedindoorwarehouse第8题E50electrodecorrespondence()AQ235steelBQ345steelCQ390steelDQ420steel第9题Generally,theamountofweldingrodoutofthewarehouseatonetimecannotexceedthedosageof()daysA1B2C3D4第10题Thetensilestrengthvalueofthetertiaryweldisabout()timesthatofthemainsteelA0.5B0.6C0.75D0.852.2.1Ordinaryboltingoperation第1题Ordinaryboltscanbeusedinimportantshearconnectionstructures第2题Aftertighteningthebolt,theexposedwirebuckleshouldnotbelessthan()buckleA1B2C3D4第3题Boltedconnectionsarecurrentlythepredominantconnectionmethodforsteelstructures第4题Structuralconnectionsthatdirectlybeardynamicloads(suchastheconnectionofcranebeamsandcolumnsforheavywork,thejointconnectionoftrusscranebeams,etc.)canbeweldedconnections第5题ClassAandBcommonboltedconnectionsarewidelyusedinsteelconstruction2.2.2Highstrengthboltingoperations第1题Frictionalhigh-strengthboltedjointscanbeusedinimportantstructuralsteelconnectionsthataredirectlysubjectedtodynamicloadsChapterTest2第1题TherearetwosteelcomponentsofQ235Dtobewelded,usingmanualarcwelding,thetypeofweldingrodtobeusedis()AE43BE50CE55DT50第2题Usethecornermethodforinitialscrewing,andtheinitialtwistingangleisgenerallyappropriate().A30°B45°C60°D75°第3题is（

）AStraightbackandforthmethodoftransportingstripsBSawtoothmethodoftransportingstripsCThecircularmethodoftransportingstripsDFigure-eighttransportmethod第4题is（

）AStraight-triptransportstripmethodBZigzagmethodCCircletransportbarmethodDFigure-eighttransportmethod第5题Thesamepartoftheweldshouldnotberepairedmorethan()timesA1B2C3D4第6题Aftertighteningthebolt,theexposedwirebuckleshouldnotbelessthan()buckleA1B2C3D4第7题Weldedconnectioniscurrentlythemostimportantconnectionmethodofsteelstructure第8题Boltedconnectionsarecurrentlythepredominantconnectionmethodforsteelstructures第9题Structuralconnectionsthatdirectlybeardynamicloads(suchastheconnectionofcranebeamsandcolumnsforheavywork,thejointconnectionoftrusscranebeams,etc.)canbeweldedconnections第10题Structuralconnectionsthatdirectlybeardynamicloads(suchastheconnectionofcranebeamsandcolumnsofheavyworkingsystem,thejointconnectionoftrusscranebeams,etc.)shouldnotbeweldedconnections3.1.1Hoistingmachineryandsimpleliftingmachinery第1题Mediumtowercranerefersto()A0.5～5tB5～15tC15～25tD25～40t第2题()Thechoiceofliftingmachineryshouldbeconsideredfirst()AHoistingefficiencyofmachineryBConstructionperiodCHoistingquantityDPerformanceofliftingmachinery第3题()Intheinstallationofmulti-storeyandhigh-risesteelstructure,liftingmachineryshouldbereasonablyselectedaccordingtothecharacteristicsoftheproject,usuallypreferredI()ATravellingtowercraneBSelf-liftingtowercraneCCrawlercraneDTruckcrane第4题Whenmultipledrawbarsareusedforlifting,theinstallationofdrawbarsmustbevertical,andtheinitialtensionvalueofthecableshouldbetakenasthevalueofthetensioninthecableatthetimeoflifting().A40%B50%C60%D70%第5题SuitableforconstructioninnarrowandmountainousareasAHigh-altitudeslipmethodBIntegraljackingmethodCHigh-altitudebulkmethodDIntegralliftingmethod第6题Crawlercranescantravellongdistancesunladen.第7题Truck-mountedcranesaregenerallysuitableforinstallinganddismantlingbuildingcomponentsandinstallingcomponentswithlittlestructuralheight.3.1.2Selectionofliftingmachinery第1题Thedistancebetweenthewireropeclipsisequalto6to7timesthediameterofthewirerope,andthestrengthatthefixedpointisatleastthestrengthofthewireropeitself.A50%B60%C70%D80%第2题Racktypejacksgenerallyhavesmallcarryingcapacityandsmallliftingweight,sotheyarenotcommonlyused第3题Differenttypesofjackscanbeusedatthesameend第4题Thedistancebetweenclampsofthewireropeisequalto()timesthediameterofthewireropeA3～4B4～5C6～7D7～8第5题Thechainhoisthastheadvantagesofsmallsize,lightweight,highefficiency,simpleoperation,manpowersaving,andcanbeusedforshortdistancehorizontaltransportation第6题Themaximumliftingheightofthehandhoistdoesnotexceed15m第7题Wireropeclampscanbearrangedalternatelyonthewirerope第8题Oilsoakedhempropeisusedinhoisting第9题Theclaspringcanbecaststeelclaspring.第10题Theclampringshouldbescrappedifcracksarefoundinuse.第11题Forsafetyreasons,thesodiumwireropeonthedrumofthemanualhoistshouldnotbeallreleased,andatleast3to4circlesshouldbeleft第12题Whentherimofthepulleyisbroken,thepulleycancontinuetobeused第13题Thecleardistancebetweenthetwopulleysoftheblockshouldnotbelessthan5timesthediameterofthewheel第14题Beforeusingthenewrope,theloadtestshouldbecarriedoutwith2timesthemaximumliftingweight()A5minB10minC15minD30min第15题Thewireropeshouldbelubricatedonceeveryworking()orsoA3月3monthsB4月4monthsC5月5monthsD6月6months第16题Wireropehasthecharacteristicsofhighstrength,noteasytowear,largeelasticity,stableathighspeed,nonoise,reliableoperationandsoon.第17题Thewireropecanbethrowninuse第18题Thedefectsoftheclaspshallnotberepairedbymeansofweldingreinforcement.第19题Thecordgrainoftheropecardshouldbesemi-refined,andthenutcanbetwistedfreely,butitmustnotbeloosened第20题Whentheropeisused,thenumberofropeclipsusedshouldbedoubled3.2.1Relevantknowledgeofstructureandtechnicalpreparationofsingle-layersteelstructure第1题()isthebasisforensuringtheinstallationqualityofsingle-layersteelstructureACorrectfoundationelevationBCorrectaxisandelevationofpillarfoundationCPositionoffoundationanchorboltsDSelectionofconstructionmachinery第2题Thicknessofcushionironshallbedeterminedaccordingto()AFoundationsurfaceelevationBBottomsurfaceelevationoffoundationCSteelcolumnbaseelevationDSteelcolumnlegelevation第3题Thenumberofblocksineachgroupshouldnotexceed()blocksA2B3C4D5第4题Thebestwidthofsteelladderis()mmA300B400C500D600第5题Theheightofthesteelladderhandrailshouldbe()mmA800B900C1000D1100第6题Thefoundationconstructionunitmaybedeliveredinbatchesoratonetime,butthequalifieddatasubmittedbyeachbatchshallbeallthepilefoundationofaninstallationunit第7题Whenthegantryrigidframeisinstalled,otherheavyobjectsshallnotbeliftedbythecomponentsinstalledinplace3.3.1Foundationacceptanceandpouring第1题Whenplacingthepadiron,thethickpadironshouldbeplacedbelow,thethinpadironshouldbeplacedonthetop,andthethinnestpadironshouldbeplacedinthemiddle.第2题Whengrouting,theconstructionwastesuchaswoodchipsinthegapbetweenthemouthofthecupshouldberemovedandfullymoistenedwithwatertomakeitwellcombined.第3题Thedesignrequiresthetoptightnode,thecontactsurfaceshouldbe()closeA60%B65%C70%D75%第4题Beforethesteelcolumnisinstalled,themaintenancestrengthofthefoundationsupportingsurfacecanreach()oraboveA50%B65%C75%D80%第5题Thefoundationconstructionunitmaybehandedoverinbatchesoratonetime,butthequalifiedmaterialssubmittedineachbatchshallbetheentirepilefoundationofoneinstallationunit3.4.1Installationofsteelbeam第1题Whentheratioofbeamheighttowidthisgreaterthan(),No.8steelshouldbeusedbeforedecouplingA1B2C3D4第2题Ifthetrackisinstalledontheconcretecranebeam,thecushionironshouldbeflatandinclosecontactwiththebottomofthetrack,andthecontactareashouldbegreaterthan().A60%B65%C70%D75%第3题Thesingle-storeysteelstructureplantshouldgenerallyinstalltheroofbeamfirst,andtheninstallthecranebeam第4题Thehoistingcranebeamshallbecarriedoutafterthehoistingofthesteelcolumniscompletedandfinallyfixed3.4.2Installationofsteelrooftruss第1题Whenthespanofsteelrooftrussislessthanorequalto(),two-pointlashingisusedA15mB18mC25mD30m第2题Structuralconnectionsthatdirectlybeardynamicloads(suchastheconnectionofcranebeamsandcolumnswithheavyduty,thejointconnectionoftrussedcranebeams,etc.)canbewelded第3题Whenthesteelrooftrussistied,theAnglebetweentheslingandthehorizontallineshouldnotbelessthan(),soastoavoidexcessivepressureontheupperstringoftherooftrussA10°B30°C45°D60°第4题钢屋架在翻身扶直与吊装作业时可以不用做加固措施Thesteelrooftrusscanbestraightenedandhoistedwithoutreinforcementmeasures3.5.1Qualitycontrolandrequirementsforconstructionandinstallationofsingle-layersteelstructure第1题Thecrosssupportsbetweenthemainframesofthegantryrigidframecanbetensioned()AIBeamBSteelAngleCRoundsteelDCold-formedthin-wallsteel第2题Constructionsitefireaccess,mustensurethatunderanycircumstancescanpassunimpeded,itswidthshouldnotbelessthan()A2.0mB2.5mC3.0mD3.5m第3题Generalselectionforheavysingle-layersteelstructureinstallationproject()ACrawlercraneBTruckcraneCWheeledcraneDTowercrane第4题Thecrosssupportsbetweenthemainframesoftheportalframecanbetensioned()AIBeamBSteelAngleCRoundsteelDCold-formedthin-wallsteel第5题Theinstallationofsteelmembersandtheconstructionofreinforcedconcretefloorsshallbecarriedoutsuccessively,andthetwooperationsshallnotbemorethan()floorsapartA3B4C5D6第6题Theinstallationsequenceofthegantryrigidframeshouldstartwiththetwoframeswithinter-columnsupportnearthegable第7题Whentheportalframeisinstalled,checkitsverticalityfirst,andtheninstallthepurlins,supportsandcornersupportsbetweenthem3.6.1-.3.6.2第1题Intheinstallationofmulti-storeyandhigh-risesteelstructures,liftingmachineryshouldbereasonablyselectedaccordingtothecharacteristicsoftheproject,andisusuallythefirstchoice.（)A行走式塔式起重机TravellingtowercraneB自升塔式起重机Self-liftingtowercraneC履带式起重机CrawlercraneD汽车式起重机Truckcrane第2题Structuralconnectionsthatdirectlybeardynamicloads(suchastheconnectionofcranebeamsandcolumnswithheavyduty,thejointconnectionoftrussedcranebeams,etc.)shouldnotbewelded第3题Intheinstallationofmulti-storeyandhigh-risesteelstructures,liftingmachineryshouldbereasonablyselectedaccordingtothecharacteristicsoftheproject,andI()isusuallythefirstchoice.A行走式塔式起重机TravellingtowercraneB自升塔式起重机Self-liftingtowercraneC履带式起重机CrawlercraneD汽车式起重机Truckcrane第4题Whengrouting,theconstructionwastesuchaswoodchipsinthegapbetweenthemouthofthecupshouldberemovedandfullymoistenedwithwatertomakeitwellcombined3.6.3Steelcolumninstallation第1题Aftercolumncorrection,thefinalfixingshouldbecarriedoutimmediately,andthefinalfixingmethodistofillthegapbetweenthecolumnfootandthecupmouthwithfinestoneconcrete.Thepouringofconcreteshouldbecarriedoutintwostages,thefirsttimetothebottomofthewedge,whentheconcretestrengthreaches(),pulloutthewedge,andfillthecupcompletely.A10%B25%C50%D75%第2题Columnelevationadjustment,focusonensuring()ATopelevationofsteellegBElevationoffoundationtopsurfaceCThetopelevationattheintersectionofthecolumnandbeamDLiftingpointelevationofsteelcolumn第3题Thedoublepouringmethodisusedforthecolumnfeetofheavysteelcolumn第4题Theweldingsequenceofbeamandcolumnjointsofmulti-storeyandhigh-risesteelstructuresisupper,middleandlower.第5题Whentheverticalandhorizontaldisplacementofthesteelcolumnaredeviated,suchastheverticaldeviationislarge,theverticaldeviationshouldbecorrectedfirst,andthenthehorizontaldisplacementshouldbecorrectedtopreventtheinstabilityofthecolumnduringcorrection3.6.4Installationofsteelbeamandrigidconcrete第1题Theweldingsequenceofbeamandcolumnjointsofmulti-storeyandhigh-risesteelstructuresisupper,middleandlower第2题Thesteelbeamsofthesamecolumnaremountedsymmetricallyfromthemiddlespantobothends第3题Forthesamespansteelbeam,installtheupperbeamfirst,andtheninstallthemiddleandlowerbeams第4题Thefusionweldingboltsincontactwithconcretearemostlycompletedattheinstallationsite第5题TheplacementofareinforcedconcretebeamcanbecarriedouttogetherwiththeplacementofacolumnSteelgridinstallation第1题Inthegridstructureofsteelpipeballjoints,whenthewallthicknessofthesteelpipeisgreaterthan(),thegroovemustbeopenedA2mmB3mmC4mmD5mm第2题Thesizeoftheflatgridisrelatedto()ATypesandmaterialsofroofpanelsBThespanoftheflatgridCMaterialsforflatgridDStrengthgradeofsteel第3题Archshouldbeconsideredwhenthespanofthegridisabove()A20mB30mC40mD50m第4题()Theamountofscaffoldingislarge,andtheamountofhigh-altitudeworkislongerAHigh-altitudebulkmethodBHigh-altitudeslipmethodCIntegralliftingmethodDIntegralliftingmethod第5题()Canbeparallelwiththelowercivilconstructionthree-dimensionaloperation,greatlyshorteningthedurationoftheentireprojectAHigh-altitudebulkmethodBHigh-altitudeslipmethodCIntegralliftingmethodDIntegralliftingmethod第6题()Nolargeassemblybracketisrequired,andthehigh-altitudeactionislessAHigh-altitudebulkmethodBHigh-altitudeslipmethodCIntegralliftingmethodDIntegralliftingmethod第7题Roundsteelpipesareusuallyusedfor()AsteleBSidecolumnCCornercolumnDFramecolumn第8题Thedeflectionvalueofthesteelgridstructureshouldbemeasuredrespectivelyafterthecompletionofthetotalassemblyandtheroofproject,andthemeasureddeflectionvalueshouldnotexceedthecorrespondingdesignvalue()timesA1B1.15C1.35D1.5Compositestructure第1题Concrete-filledsteeltubestructureisgenerallyusedfor()ATensionmemberBCompositememberCFlexuralmemberDCompressionmember第2题Thesteelcontentofthestressedsectionsteelinthecompositecolumnshouldnotbelessthan()A4%B5%C6%D7%第3题Acrosssectionwitharimisusuall