鋼結(jié)構(gòu)的連接 Connection of Steel St

鋼結(jié)構(gòu)的連接ConnectionofSteelStructures主講教師：李琪Lecturer:LiQi目錄Contents一、鋼結(jié)構(gòu)連接的類型I.Connectiontypesofsteelstructures二、主要連接方式及其特點II.Mainconnectionmodesandtheircharacteristics鋼結(jié)構(gòu)的構(gòu)件Membersofsteelstructures李琪LiQi主講教師Lecturer鋼結(jié)構(gòu)的構(gòu)件Membersofsteelstructures課程導(dǎo)入CourseIntroduction鋼結(jié)構(gòu)建筑在我國的應(yīng)用越來越廣泛。TheapplicationofsteelstructurebuildingsinChinaisbecomingincreasinglywidespread.鋼結(jié)構(gòu)的構(gòu)件Membersofsteelstructures鳥巢Bird'sNest鋼結(jié)構(gòu)的構(gòu)件Membersofsteelstructures北京大興國際機場BeijingDaxingInternationalAirport鋼結(jié)構(gòu)的構(gòu)件Membersofsteelstructures車站Stations鋼結(jié)構(gòu)的構(gòu)件Membersofsteelstructures高層建筑High-risebuildings鋼結(jié)構(gòu)的構(gòu)件Membersofsteelstructures課程導(dǎo)入CourseIntroduction很多鋼結(jié)構(gòu)建筑在制作安裝技術(shù)方面具有世界一流水平。Manysteelstructurebuildingshaveworld-classmanufacturingandinstallationtechnology.國家體育場鳥巢NationalStadium-Bird'sNest廣州塔CantonTower中央電視臺總部大樓CCTVHeadquartersBuilding貴州北盤江大橋BeipanjiangBridgeinGuizhou國家體育場鳥巢NationalStadium-Bird'sNest廣州塔CantonTower中央電視臺總部大樓CCTVHeadquartersBuilding貴州北盤江大橋BeipanjiangBridgeinGuizhou鋼結(jié)構(gòu)建筑Steelstructurebuildings鋼結(jié)構(gòu)的構(gòu)件Membersofsteelstructures鋼結(jié)構(gòu)的構(gòu)件Membersofsteelstructures一I鋼結(jié)構(gòu)的結(jié)構(gòu)體系Structuralsystemofsteelstructure鋼結(jié)構(gòu)由各類桿件通過不同的連接方式組成結(jié)構(gòu)體系。Thesteelstructureconsistsofvariousbarsconnectedindifferentwaystoformastructuralsystem.桁架結(jié)構(gòu)Trussstructure排架結(jié)構(gòu)Bentstructure剛架結(jié)構(gòu)Rigidframestructure鋼結(jié)構(gòu)由各類桿件通過不同的連接方式組成結(jié)構(gòu)體系。Thesteelstructureconsistsofvariousbarsconnectedindifferentwaystoformastructuralsystem.網(wǎng)架結(jié)構(gòu)Spacetrussstructure多高層結(jié)構(gòu)Multi-high-risestructure（一）桁架結(jié)構(gòu)(I)Trussstructure桁架是由桿件在桿端，通常用鉸連接而成的結(jié)構(gòu)，是格構(gòu)化的一種梁式結(jié)構(gòu)。Thetrussisakindofbeamstructure,whichisusuallycomposedofbarswiththehingedconnectionatthebarend.上弦桿Upperchordmember腹桿Webmember下弦桿Bottomchord平面桁架Planetruss空間桁架Spatialtruss桁架Truss平面桁架Planetruss空間桁架Spatialtruss（一）桁架結(jié)構(gòu)(I)Trussstructure平面桁架Planetruss空間桁架Spatialtruss桁架Truss三角形桁架Triangulartruss平行弦桁架Parallelchordtruss折弦桁架Foldedchordtruss平面桁架Planetruss平面桁架Planetruss平面桁架橋Planetrussbridge屋架Rooftruss（一）桁架結(jié)構(gòu)(I)Trussstructure北京大興國際機場航站樓BeijingDaxingInternationalAirportTerminal（一）桁架結(jié)構(gòu)(I)Trussstructure（二）排架結(jié)構(gòu)(II)Bentstructure排架結(jié)構(gòu)是指由梁（或桁架）與柱鉸接、柱與基礎(chǔ)剛接的結(jié)構(gòu)形式，一般采用鋼筋混凝土柱，多用于工業(yè)廠房。Bentstructurereferstothestructuralforminwhichbeams(ortrusses)arehingedwithcolumnsandcolumnsarerigidlyconnectedwiththefoundation.Itgenerallyusesreinforcedconcretecolumnsandisoftenusedinindustrialbuildings.上海寶鋼生產(chǎn)車間ShanghaiBaosteelProductionWorkshop（三）剛架結(jié)構(gòu)(III)Rigidframestructure剛架結(jié)構(gòu)是梁、柱單元構(gòu)件的組合體。Arigidframestructureisacompositebodyofbeamandcolumnmembers.（三）剛架結(jié)構(gòu)(III)Rigidframestructure門式剛架的桿件部分或全部采用剛結(jié)點連接而成，是輕鋼結(jié)構(gòu)中最常見的一種結(jié)構(gòu)形式。Thebarsoftheportal-rigidframearepartiallyorcompletelyconnectedbyrigidjoints,whichisthemostcommonstructuralforminlightsteelstructures.（三）剛架結(jié)構(gòu)(III)Rigidframestructure門式剛架的桿件部分或全部采用剛結(jié)點連接而成，是輕鋼結(jié)構(gòu)中最常見的一種結(jié)構(gòu)形式。Thebarsoftheportal-rigidframearepartiallyorcompletelyconnectedbyrigidjoints,whichisthemostcommonstructuralforminlightsteelstructures.（三）剛架結(jié)構(gòu)(III)Rigidframestructure單跨雙坡Single-spandouble-slope雙跨雙坡Double-spandouble-slope多跨雙坡Multi-spandouble-slope單跨雙坡帶挑檐Single-spandouble-slopewithoverhangingeaves單跨單坡帶毗屋Single-spansingle-slopewithcontiguoushouses雙跨單坡Double-spansingle-slope縱向帶夾層Longitudinalwithinterlayer端跨帶夾層Endspanwithinterlayer按跨數(shù)分：Bynumberofspans:按起坡分：Bythestartingslope:門式剛架結(jié)構(gòu)開間大，柱網(wǎng)布置靈活，廣泛應(yīng)用于各類工業(yè)廠房、倉庫、體育館等公共建筑。Theportalrigidframestructurehasalargebayandflexiblecolumngridarrangement,whichiswidelyusedinvariouspublicbuildingssuchasindustrialplants,warehouses,andgymnasiums.（四）多高層結(jié)構(gòu)(IV)Multi-high-risestructure鋼框架結(jié)構(gòu)由梁和柱構(gòu)成承重體系，承受豎向力和側(cè)向力。Thesteelframestructureconsistsofbeamsandcolumnstoformaload-bearingsystemthatbearsverticalloadsandlateralloads.基本結(jié)構(gòu)體系：Basicstructuralsystem:柱—支撐體系Column-supportsystem純框架體系Pureframesystem框架—支撐體系Frame-supportsystem1.鋼框架結(jié)構(gòu)1.Steelframestructure（四）多高層結(jié)構(gòu)(IV)Multi-high-risestructure框架—支撐體系Frame-supportsystem這種體系形式是在建筑的橫向用純鋼框架，在縱向布置適當(dāng)數(shù)量的豎向柱間支撐，用來加強縱向剛度，以減少框架的用鋼量，并且由于橫向純鋼框架無柱間支撐，便于生產(chǎn)、物流等功能的安排。Thissystemformusespuresteelframesinthetransversedirectionofthebuildingandarrangesanappropriatenumberofverticalinter-columnsupportsinthelongitudinaldirectiontostrengthenthelongitudinalstiffnessandreducetheamountofsteelusedbytheframe.Sincethereisnointer-columnsupportforthehorizontalpuresteelframe,itfacilitatesthearrangementofproduction,peopleflow,logistics,andotherfunctions.1.鋼框架結(jié)構(gòu)1.Steelframestructure（四）多高層結(jié)構(gòu)(IV)Multi-high-risestructure這種體系形式是在建筑的橫向用純鋼框架，在縱向布置適當(dāng)數(shù)量的豎向柱間支撐，用來加強縱向剛度，以減少框架的用鋼量，并且由于橫向純鋼框架無柱間支撐，便于生產(chǎn)、物流等功能的安排。Thissystemformusespuresteelframesinthetransversedirectionofthebuildingandarrangesanappropriatenumberofverticalinter-columnsupportsinthelongitudinaldirectiontostrengthenthelongitudinalstiffnessandreducetheamountofsteelusedbytheframe.Sincethereisnointer-columnsupportforthehorizontalpuresteelframe,itfacilitatesthearrangementofproduction,peopleflow,logistics,andotherfunctions.1.鋼框架結(jié)構(gòu)1.Steelframestructure框架—支撐體系Frame-supportsystem（四）多高層結(jié)構(gòu)(IV)Multi-high-risestructure這種體系形式是在建筑的橫向用純鋼框架，在縱向布置適當(dāng)數(shù)量的豎向柱間支撐，用來加強縱向剛度，以減少框架的用鋼量，并且由于橫向純鋼框架無柱間支撐，便于生產(chǎn)、物流等功能的安排。Thissystemformusespuresteelframesinthetransversedirectionofthebuildingandarrangesanappropriatenumberofverticalinter-columnsupportsinthelongitudinaldirectiontostrengthenthelongitudinalstiffnessandreducetheamountofsteelusedbytheframe.Sincethereisnointer-columnsupportforthehorizontalpuresteelframe,itfacilitatesthearrangementofproduction,peopleflow,logistics,andotherfunctions.1.鋼框架結(jié)構(gòu)1.Steelframestructure框架—支撐體系Frame-supportsystem（四）多高層結(jié)構(gòu)(IV)Multi-high-risestructure這種體系形式是在建筑的橫向用純鋼框架，在縱向布置適當(dāng)數(shù)量的豎向柱間支撐，用來加強縱向剛度，以減少框架的用鋼量，并且由于橫向純鋼框架無柱間支撐，便于生產(chǎn)、物流等功能的安排。Thissystemformusespuresteelframesinthetransversedirectionofthebuildingandarrangesanappropriatenumberofverticalinter-columnsupportsinthelongitudinaldirectiontostrengthenthelongitudinalstiffnessandreducetheamountofsteelusedbytheframe.Sincethereisnointer-columnsupportforthehorizontalpuresteelframe,itfacilitatesthearrangementofproduction,peopleflow,logistics,andotherfunctions.1.鋼框架結(jié)構(gòu)1.Steelframestructure框架—支撐體系Frame-supportsystem（四）多高層結(jié)構(gòu)(IV)Multi-high-risestructure框架剪力墻結(jié)構(gòu)在框架結(jié)構(gòu)的基礎(chǔ)上加入了剪力墻以抵抗側(cè)向力。剪力墻一般為鋼筋混凝土，或采用鋼混組合結(jié)構(gòu)。Theframeshearwallstructureaddsashearwalltoresistlateralloadsbasedontheframestructure.Theshearwallisgenerallyreinforcedconcreteorsteel-concretecompositestructure.2.框架剪力墻結(jié)構(gòu)2.Frameshearwallstructure（四）多高層結(jié)構(gòu)(IV)Multi-high-risestructure這種結(jié)構(gòu)體系一般由鋼筋混凝土核心筒與外圈鋼框架組合而成，核心筒墻體內(nèi)可以設(shè)置一定數(shù)量的型鋼骨架，外圈鋼框架是由鋼柱與鋼梁剛接而成。Thisstructuralsystemtypicallyconsistsofareinforcedconcretecoretubeandanouterringsteelframe.Acertainnumberofsectionsteelskeletonscanbesetinsidethewallofthecoretube,andtheouterringsteelframeisrigidlyconnectedbysteelcolumnsandsteelbeams.3.框筒結(jié)構(gòu)3.Frametubestructure許多鋼結(jié)構(gòu)的超高層建筑都是這樣的框筒結(jié)構(gòu)。Manysuperhigh-risebuildingswithsteelstructuresareofsuchframetubestructure.（五）網(wǎng)架結(jié)構(gòu)(V)Spacetrussstructure網(wǎng)架結(jié)構(gòu)是指由多根桿件按照一定的網(wǎng)格形式通過節(jié)點連結(jié)而成的空間結(jié)構(gòu)。Thespacetrussstructurereferstothespatialstructureformedbyconnectingmultiplebarsthroughnodesinacertainmeshform.優(yōu)點：用鋼量省、空間剛度大、整體性好、易于標(biāo)準(zhǔn)化生產(chǎn)和現(xiàn)場拆裝等。Advantages:Lowsteelconsumption,largespatialstiffness,goodintegrity,easystandardizedproduction,andon-sitedisassemblyandassembly.應(yīng)用范圍：車站、機場、體育場館、影劇院等大跨度公共建筑。Applicationrange:Long-spanpublicbuildingssuchasstations,airports,stadiumsandcinemas.二II鋼構(gòu)件的主要受力形式Mainbearingformofsteelmember軸心受力構(gòu)件Axiallyloadedmember受彎構(gòu)件Flexuralmember拉彎和壓彎構(gòu)件Tension-bendingandcompression-bendingmember（一）軸心受力構(gòu)件(I)Axiallyloadedmember平面桁架Planetruss空間桁架Spatialtruss1.軸心受力構(gòu)件的應(yīng)用1.Applicationofaxiallyloadedmembers（一）軸心受力構(gòu)件(I)Axiallyloadedmember發(fā)射塔Launchingtower電力塔Electricitypylon1.軸心受力構(gòu)件的應(yīng)用1.Applicationofaxiallyloadedmembers（一）軸心受力構(gòu)件(I)Axiallyloadedmember網(wǎng)架結(jié)構(gòu)Spacetrussstructure網(wǎng)殼結(jié)構(gòu)Shellstructure1.軸心受力構(gòu)件的應(yīng)用1.Applicationofaxiallyloadedmembers（一）軸心受力構(gòu)件(I)Axiallyloadedmember桁架節(jié)點Trussnode網(wǎng)架節(jié)點Spacetrussnode1.軸心受力構(gòu)件的應(yīng)用1.Applicationofaxiallyloadedmembers（一）軸心受力構(gòu)件(I)Axiallyloadedmember實腹式Solid-webtype格構(gòu)式Latticetype2.截面形式2.Cross-sectionalform

（一）軸心受力構(gòu)件(I)Axiallyloadedmember軋制型鋼截面Rolledsteelsection2.截面形式——實腹式2.Cross-sectionalform—Solid-webtype鋼管Steelpipe工字鋼I-beamH型鋼H-beam角鋼組合截面Compositesectionofanglesteel槽鋼Channelsteel角鋼Anglesteel

（一）軸心受力構(gòu)件(I)Axiallyloadedmember焊接組合截面Weldedcompositesection焊接工字形截面WeldedI-shapedsection焊接十字形截面Weldedcross-shapedsection焊接箱形截面Weldedboxsection2.截面形式——實腹式2.Cross-sectionalform—Solid-webtype

（一）軸心受力構(gòu)件(I)Axiallyloadedmember2.截面形式——格構(gòu)式2.Cross-sectionalform—Latticetype

雙肢柱Double-limbcolumn

三肢柱Three-limbcolumn

四肢柱Four-limbcolumn

柱肢Columnlimb綴條Latticebar綴板Latticeplate（一）軸心受力構(gòu)件(I)Axiallyloadedmember3.計算內(nèi)容3.Calculationcontents軸心受拉構(gòu)件Axialtensilemembers點擊添加標(biāo)題文字Clickheretoaddatitle軸心受壓構(gòu)件Axialcompressionmembers承載能力極限狀態(tài)Ultimatelimitstateofbearingcapacity強度（材料屈服）Strength(materialyield)正常使用極限狀態(tài)Serviceabilitylimitstate剛度（長細比）Stiffness(slendernessratio)承載能力極限狀態(tài)Ultimatelimitstateofbearingcapacity強度（材料屈服）Strength(materialyield)整體穩(wěn)定、局部穩(wěn)定Overallstability,localstability正常使用極限狀態(tài)Serviceabilitylimitstate剛度（長細比）Stiffness(slendernessratio)

（二）軸心受力構(gòu)件(II)Axiallyloadedmembers1.實腹式受彎構(gòu)件1.Solid-webflexuralmember2.格構(gòu)式受彎構(gòu)件2.Lattice-typeflexuralmember

（二）軸心受力構(gòu)件(II)Axiallyloadedmembers1.實腹式受彎構(gòu)件——梁1.Solid-webflexuralmember—Beam屋面梁Roofbeam吊車梁Cranebeam檁條Purlin

（二）軸心受力構(gòu)件(II)Axiallyloadedmembers1.實腹式受彎構(gòu)件——梁1.Solid-webflexuralmember—Beam實腹式Solid-webtype型鋼梁Profilesteelbeam組合梁Compositebeam熱軋型鋼Hot-rolledsteel冷彎薄壁型鋼Cold-formedthin-walledsteel焊接或栓接組合梁Weldedorboltedcompositebeam鋼與混凝土組合梁Steel-concretecompositebeam異種鋼組合梁Dissimilarsteelcompositebeam

（二）軸心受力構(gòu)件(II)Axiallyloadedmembers1.實腹式受彎構(gòu)件——梁1.Solid-webflexuralmember—Beam熱軋型鋼截面Hot-rolledsteelsection冷彎薄壁型鋼截面Cold-formedthin-walledsteelsection截面分布合理，優(yōu)先采用。Reasonablecross-sectiondistributionispreferred.

（二）軸心受力構(gòu)件(II)Axiallyloadedmembers1.實腹式受彎構(gòu)件——梁1.Solid-webflexuralmember—Beam組合截面Compositesection兩層鋼板加強翼緣Stiffenedflangewithtwolayersofsteelplates荷載較大或抗扭要求較高時采用Adoptedwhentheloadislargeorthehightorsionalrequirementsofthebeam

（二）軸心受力構(gòu)件(II)Axiallyloadedmembers2.格構(gòu)式受彎構(gòu)件——

桁架2.Lattice-typeflexuralmember—Truss屋架Rooftruss托架Bracket吊車桁架Cranetruss

（二）軸心受力構(gòu)件(II)Axiallyloadedmembers3.計算內(nèi)容3.Calculationcontents承載能力極限狀態(tài)Ultimatelimitstateofbearingcapacity強度Strength穩(wěn)定性Stability抗彎強度Flexuralstrength抗剪強度Shearstrength局部壓應(yīng)力Localcompressivestress折算應(yīng)力Reducedstress整體穩(wěn)定Overallstability局部穩(wěn)定Localstability翼緣Flange腹板（設(shè)置加勁肋）Webplate(withstiffeningribs)正常使用極限狀態(tài)→剛度（撓度）Serviceabilitylimitstate→Stiffness(deflection)

（三）拉彎和壓彎構(gòu)件(III)Tension-bendingandcompression-bendingmembers1.拉彎和壓彎構(gòu)件的受力特點1.Loadcharacteristicsoftension-bendingandcompression-bendingmembers

偏心受力Eccentricstress橫向荷載Lateralload端彎矩Endbendingmoment端彎矩Endbendingmoment

（三）拉彎和壓彎構(gòu)件(III)Tension-bendingandcompression-bendingmembers2.拉彎和壓彎構(gòu)件的應(yīng)用2.Applicationoftension-bendingandcompression-bendingmembers有節(jié)間荷載的桁架桿件Trussbarswithinter-sectionloads計算簡圖CalculationDiagram

（三）拉彎和壓彎構(gòu)件(III)Tension-bendingandcompression-bendingmembers2.拉彎和壓彎構(gòu)件的應(yīng)用2.Applicationoftension-bendingandcompression-bendingmembers工業(yè)廠房框架柱Factoryframecolumnsinindustrialplants計算簡圖CalculationDiagram框架柱Framecolumn

（三）拉彎和壓彎構(gòu)件(III)Tension-bendingandcompression-bendingmembers2.拉彎和壓彎構(gòu)件的應(yīng)用2.Applicationoftension-bendingandcompression-bendingmembers多層或高層建筑中的框架柱