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

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

B2mmC3mm

D4mm第3題Thethicknessofthenodalplateshouldbedeterminedaccordingtothemeshframe()AVentralrodinternalforceBUpperchordrodinternalforceCMaximumrodinternalforce

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

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

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

CLowerchordspanmidnodeDIntersectionswithlowinternalforces第4題Thethicknessofthenodalplateshallnotbelessthan()A2mm

B4mmC6mm

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

C300mm

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

B2mmC3mm

D4mm第4題Thethicknessofthenodalplateshouldbedeterminedaccordingtothemeshframe()AVentralrodinternalforceBUpperchordrodinternalforceCMaximumrodinternalforce

DLowerchordrodinternalforce第5題Thethicknessofthenodalplateshallnotbelessthan()A2mm

B4mmC6mm

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

B200mm

C300mm

D400mm

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

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

CLowerchordspanmidnodeDIntersectionswithlowinternalforces第2題Thedimensionsofthebaseplateofthebearingnodeshallnotbelessthan()A100mmB200mm

C300mm

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

DLowerchordrodinternalforce第5題Thethicknessofthenodalplateshallnotbelessthan()A2mm

B4mmC6mm

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

B200mm

C300mm

D400mm

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

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

）AStraightbackandforthmethodoftransportingstripsBSawtoothmethodoftransportingstripsCThecircularmethodoftransportingstripsDFigure-eighttransportmethod第13題is（

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

）AStraightbackandforthmethodoftransportingstripsBSawtoothmethodoftransportingstripsCThecircularmethodoftransportingstripsDFigure-eighttransportmethod第4題is（

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