天幕吊装方案施工10.20-rev method statement for spectacle roof

MGMCotaiProject,Cotai,MethodStatementforSpectacle184ncludethis15OctPreparedCheckedTitle:ChiefengineerReviewed 幕相关图纸SpectacleRoofEngineering 相关 相关规范Relevant 天幕钢结构概况SpectacleRoofSteelStructure 支座概况Bearings 天幕钢结构单元划分方案UnitsdivisionnonSteelStructureofSpectacle 汽车吊吊装单元划分方案 施工平面布置及管 nandLabor 整体控制计划Integral 交叉施工工期分 ysisofCrossConstruction 天幕工程劳动力资源投入计划SpectacleRoofProject 结构安装方案及技术措施StructureInstallationProgramandTechnology 支座安装方法BearingInstallation 临时支撑措施支撑方案SectionⅢProgramOfTemporarySupport 屋面构件整体安装流程Thewholeerectingprocessofroof Thecontroloferectingmeasurementandtheconstructionmonitoringprogram临时支撑措施的卸载方案 nforTemporarySupport 临时支撑措施卸载概述Brief 卸载原则Unloading 沙箱设计Sandbox 卸载点的布置Unloadingpointsetting- 七．天幕屋面钢结构卸载工艺SpectacleRoofUnload 操作平台 临时通道Temporary RevisionDescriptionofPage20Oct1MethodstatementforCompilation12CS-P-GMF-0112CS-P-GMF-0134567CS-P-B1M-8CS-P-GMF-Regulations1MacaoSpecialRegulations1MacaoSpecialAdministrativeRegion2HongKongLawsChapter123BuildingsOrdinance&Chapter 3TechnicalSpecificationPartB-Structural4MSARAdministrativeRegulationNo.29/2001RulesofSteelStructuresfor5MSARDecreeNo.56/96/MBuildingStructureandBridgeStructureRegulatoryofSafetyand6TheExistingLawsof7HongKongLawsChapter59IConstructionSites(Safety)Regulations,Chapter400NoiseControlOrdinance,Chapter509 OccupationalSafetyandHealthOrdinance8MSARDecreeNo.34/93/M(Legalregimeapplicabletooccupational9MSARDecreeNo.48/94/M(ForviolationoflawsregulatingoccupationalnoiserequirementsofthepunitiveMSARDecreeNo.54/94/M(PreventionandcontrolofcertainnormsofenvironmentalCodeofPracticefortheStructuraluseofsteel2011(HongMSARDecreeNo.44/91/MMacauConstructionSafetyandHealth11Macaurelevant BS5950:Part1&2:19902BS5950:Part1:1990;BS5493;BS4360:1986;BS4:Part1;BSEN10210-BSEN10056-1;BSEN3HSFGboltsBS4395Part1&Part2;BS3692;BS4933;BS4190;BS4168:Part1;BSBS3410;BS5400:Part6;BS4604:part1&part2;BS3692;BS4190;BSBS4395Part1&Part2&4ShearBS5ElectrodesandBSEN499;BS4360;BS5135;BS4677;BS4360;BS5400:Part6Form1;BS5950:Part2Form1;BS4570;BSEN287-1:part1;BS4872:part16IBCandASTME119,SpectacleRoofSteelStructureSpectacleRoofSteelStructureOverall135.8m45m74m3个山峰（南侧山峰、中间山峰和北侧山峰）2个山谷，3个山峰比高约7.5m、9.5m8.5m1533，杆件根数4356，2836803217.39mm942.917mm，屋盖结构中间山峰最大顶标高为37.5m，屋盖北侧支座处标高为16.4m，屋盖南侧支座处标高为25.9m，中间支座处标高为27.7m。All-steelstructureisusedinSpectacleRoofengineeringofMGMMacauCotaiprojectwithsingle-layerreticulateds,multiplearchandlarge-spanstructuresystem.Theroofisabout135.8mlongfromsouthtonorth,about45mwideinsouthsideandabout74mwideinnorthside.Itsgeometricconfigurationshowsthreepeaks(includingonepeakinsouthside,onepeakinthemiddleandonepeakinnorthside)andtwovalleys,inwhichrelativealtitudesofthreepeaksareabout7.5m,9.5mand8.5m.Thereare1533nodes,4356bars,2836facesand80surroundingbearingsintotal.Thelongestandshortestmeshopeningsizesare3217.39mmand942.917mm.Intheroofstructure,thelargesttopelevation(mosttoplevel)ofmiddlepeakis37.5m,andelevationsofbearingsinthenorth,southandmiddlesidesare16.4m,25.9mand27.7mrespectively.天幕钢结构示意天幕钢结构平面示意SpectacleRoofSteelStructuren平面尺寸示nedimension立面尺寸示Elevationsize轴侧SteelStructureNodesSpectacleRoofprojectincludesintricatenodesandvariousnodepartssuchascoverte,apronboard,stiffingteandsoon,whichwithhighdifficultiesoncombination,weldingandwholecontrolofaccuracy.Toseebriefaccountofnodesasbelow:节点形式三维示3DDrawingofnode节点与屋面型钢连接示SteelconnectionofnodesandBearingsThedesignofpin-hingebearingisusedinsurroundings,concretebeamandcorbelandotherjointsofarchroofinSpectacleRoofproject.Pinsofbearingsaremadeofspecialmaterialanddesignedtomeettherequirementfortension of6000KN.80Inthisproject,thereare23,17,16and24bearingsatedgesofnorth,south,westandeastsidesrespectively,and80pin-hingebearingsintotal.Seedetailsofvariousformsofpin-hingebearingsandtheirconnectioninfollowingtableandattachedBearing1:It’spin-hingebearingthatismainlylocatedthesouthernedgeofstructureforfixingbearinganditsuppersurfacedirectlyconnecttoprofilesteelofspectacleroof支座2：销轴式铰接滑动支座，主要位于结构东西两端边缘，支座上表面通过型钢与天幕屋面钢结构型钢相Bearing#2:It’spin-hingeslidingbearingthatismainlylocatedatbothendsoftheedgesofeastandwestsidesstructureanditsuppersurfaceconnectedtoprofilesteelofroofsteelstructurethroughshapesteel.支座3边缘，支座上表面通过型钢与天幕屋面钢结构型钢相接，部分支座位于钢结构钢梁上，部分位于混凝土牛腿Bearing#3:It’spin-hingeslidingbearingthatismainlylocatedatbothendsoftheedgesofeastandwestsidesofstructureanditsuppersurfaceconnecttoshapesteelofspectacleroofsteelstructurethroughprofilesteel.Partbearingsarelocatedonsteelbeamofsteelstructureandotherpartonconcretecorbel.支座4：销轴式铰接滑动支座，主要位于土建混凝土柱顶部，支座上表面通过型钢与天幕屋面钢结构型钢相Bearing#4:It’spin-hingeslidingbearingthatismainlylocatedontopofconcretecolumnofcivilengineeringanditsuppersurfaceconnecttoprofilesteelofspectacleroofsteelstructurethroughshapesteelBearing#5:It’spin-hingebearingthatismainlylocatedonedgeofnorthsideofstructureforfixingbearinganditsuppersurfacedirectlyconnecttoprofilesteelofspectacleroofstructure.支座6：销轴式铰接滑动支座，支座数量少，主要位于底部钢梁与混凝土梁交界位置，安装难度高，支座形式Bearing#6:It’spin-hingeslidingbearingofsmalltythatismainlylocatedinborderbetweenbottomsteelandconcretebeamwithhighdifficultiesininstallationandintricateformsofbearing.天幕构件分段示意。单根构件长度最长天幕构件分段示意。单根构件长度最长7.5m，满足构件的限度要求，且能够最低化现场拼装难度，最优化构件效率。Diagramoftransportationsegmentofspectacleroofcomponents.The umlengthofsinglecomponentis7.5m,whichcanmeettherequirementontransportationlimitationofcomponents,minimizedifficultiesofassemblinginsite,andoptimizetransportationefficiencyofcomponents.Construction天幕钢结构单元划分方案Units nonSteelStructureofSpectacle单元划分方案UnitsdivisionnonInthespectacleroofproject,unitsquaremeterofroofcomponentsislightinweight,andtransportationsegmentofcomponentdiffersfromhoistingsegmentofthesame.Ontheonehandtransportationsegmentofcomponentshallmeettherequirementsofflatcaronlength,widthandweightoftransportationcomponentsandbeimprovedinefficiency.Ontheotherhand,qualityofassemblingiseasiertocontrolinfactorythaninsitetherefore,assemblingandweldingofcomponentsshouldbecompletedinfactoryasmoreaspossible.天幕构件的分段方案原则遵循：“单根构件，同一吊装单元构件统一打包，单根长度不超过12m”，具体构件分段详情如下：Transportationsegmentnofspectacleroofcomponentsshouledfollowprincipalthat,“Componentshallbetransportedinsingle;Componentsinsamehoistingunitshallbepackagedinunification;Singlecomponentfortransportationshouldnotexceed12minlength.”Seedetailedtransportationsegmentofcomponentsasbelow:Hexagonalprismsnodeofthe天幕屋面六棱柱节天幕屋面型钢构Profilesteelcomponentofthe天幕屋 构件分段平面 hoistunitdivision汽车吊吊装单元划分原则Principleof hoistunit1Tomeetthehoistingdevice`sAccordingtothestructurecharacteristicsoftheproject，inordertoguaranteetheconstructionperiod,structurehoistingunitismainlydividedintothe"diamond",partofbarstakehighbulkmethodforinstallation.Becauseweldingathighaltitudeisdifficultandhighaltitudeconstructionhavehighdangercoefficient,divisionofhoistingunitshouldtrytoreducethebulkofthehighworkload,makethebarattachedtothewholehoistingunitasfaraspossible.作业。Hoistingunitdivisionshouldminimizethegroundassemblingtemporarysupportmeasuresofsupportheight,andreducetheamountofgroundassemblyandhighaltitudeoperation.汽车吊吊装单元划分详情Detailsof hoistunitAccordingtothemethodofinstallationandperformanceparameterofhoistingequipment,thestructurehoistingunitsmainlyaretriangularandrhombic.Becauseoflargesectionandhighweightoftheridgestructureedge,thecanopyedgesectionforsectionlengthofsinglecomponent<12m. hoistingregionaltypicalunit拼装嵌补散Assemblyinsert ThefactorymoldingtransportelementFirstofthetypicalformofhoistingunitdivisions:Typicalrhombichoistingunitdivisionismainlydistributedinthespanofthestructure,becauseofrhombicunit`sshaperules,andinthemiddleofthespanunitinclinelevelisnothigh,on-siteassemblyisrelativelylessdifficult,Sectionalformisscientificandreasonable.工厂成 杆件单Thefactory 拼装嵌补散transport AssemblyinsertSecondofthetypicalformofhoistingunitdivisions:Thispartdiamondstructuremainlydistributedintheunitcanopynorthernroofstructure,whichshapeisregular,buttheInclinationofunitishigh,Sotherequirementofinstallationinsitehoistingishighanditismoredifficultyonsiteassembly.DivisionofthetowercranetohoisttheregionalConsiderthesafetyoftowercranehoisting,segmenttheregionalsteelstructureunitinthetowercranehoistingworkingscopeconditions,towercranehoistingunitinthefactorymoldingrodmainly,partsofhigh-altitudeinsert.

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MGMCotaiProject,Cotai,MGMCotaiProject,Cotai,MethodStatementSpectacle天幕屋面钢结构分段及编号TheselectionofhoistingSelectionofmain250tSpectacleroofstructureisdividedintoautohoistareaandtowercranehoistingarea,autohoistingareaincludes2setsof50tautohoistsforhoistingofsteelstructure.ExchangeorOTCarrangement2autohoistsassemblyandcomponentunloadingtransport.名数用备1汽车Truck2Regionalsliftingoftruckcrane2塔3Regionalreticulatedsliftingoftowercraneregion.l土建塔吊（TCP2、TCP3Constructionoftower3汽车Truck2 unitassembly、4平板车2数。MainhoistingequipmentperformanceparametersaredetailedinAnnexfiveEquipmentperformanceparametersofMacaoMGMTaipaColoaneHo spectacleroofsteelstructureengineering。2、设计以及钢丝绳选择详见附件六：路氹酒店天幕钢结构工程设计及钢丝绳选择。LugdesignandselectionofwireropeisdetailedinAppendixsix：LugdesignandselectionofwireropeofMacaoMGMTaipaColoaneHospectacleroofsteelstructureengineering.Accordingtothehoistingtaskandconditionofallequipment,ysetheon-sitehoistingworkingconditionoftowercraneandautohoistsrespectively.Tochecktheoperationscopeofitsworkingconditionsashoistingthemostweightandhangingfromthefarthestonebyone,ensurethehoistingequipmenthoistingwithinsafehoistingrange.STT293TowercraneworkingSpectacleroofcranehoistingareadominatedbybarhoisting,rigorousysisoftowercranehoistingweightaccordingtotheworkingperformance,somecomponenthangingmotionless,whichisysisofthemostunfavorableconditionsforthecomponentwhichcanbecraned14.378t,44m,4.96t,满足吊装要求。Unfavorableconditions1:Hoistingunitweightis4.378t,hoistingradiusis44m,towercraneunderthisradiuscanhoist4.96t,meettherequirementforhoisting.求。Unfavorableconditions2:Hoistingunitweightis3.19t,hoistingradiusis64M,towercraneunderthisradiuscanhoist3.22t,meettherequirementforhoisting.塔吊吊装工况分ConditionysisofhoistingQY50汽车吊工况分析 ysisofQY50 hoisthoistingunitareamostlyaretriangularhoistingunit,ysisofthepeaksandtroughsoftheumhoisting.Peakumhanging5.2t,troughcanhang um8.8t,checkagainsthoistingsegmentinformationtable,meetthehoistingrequirement. 波峰吊装工况分Conditionysisofhoisting波谷吊装工况分ConditionysisofhoistingSpectacleroofstructureformoftheprojectasasingle-layerlatticedsoflong-spanstructures,therearemanycrossintheactualsiteandthelowerpartofthestructure.Componentfieldassemblingweretransportedfromfactorytoscene,thesceneneneedtolayoutandnningreasonably.Itisnecessaryforrationalnningandarrangementoffloorsurfaceyard,assemblyfieldandotherstofacilitatethefieldconstructionandmeetthecontroloftheprojectschedule,inordertoreducethefieldcomponent`ssecondarytransportandimprovetheefficiencyofassemblingandhoisting.Becausethespectacleroofconstructionprojectintersectalotwiththeskirtbuilding,andthehoistingcomponentsrequiretheaidoftowercrane,layoutcoordinationofspectacleroofintheprocess,whichisrequiredtoadvancethefullconsideration,includingtheoverallconstructionprocess,constructionflow,walkingroadsarerequiredtoconsidered,thespectacleroofsceneneysisasshownbelow:天幕周边结构布置图及汽车吊可行走通道示意Schematicdiagramofthefloornandstructureofautohoistswalkchannelaroundthespectacle ImportandexportofaccessforAuto 现场布置LayoutoftheConstructionAccordingtotheselectionofhoistingmethod,thecoordinationbetweentheautocraneandthetowercranesisthroughouttheconstruction，duringtheconstructionoftowercranehoisting,Spectacleroofhoistingbythegeneralcontracting,spectacleroofishoistedbythegeneralcontracting`s2#,3#,5#towercrane,completesteelstructureunithoisting.ImportandexporttwoImportandexportone塔吊吊装施工阶段施工平面布置Layoutnoftowercranehoistingconstructionattheconstruction在3#塔吊的吊装范围内，布置一个400m2的临时构件堆场。塔吊吊装以杆件散件吊装为主，现场构件至临Inthehoistingscopeof3#towercrane,arrangementa400m2temporarystorageyardlayoutofcomponent.Towermainlyhoistingcomponentbar,thescenecomponenttransporttoatemporarystorageyard,towercraneishoisted nofcranehoistingconstructionattheconstruction 400m2400m22100m2Intheauto cranehoistingconstructionphase,layoutatemporary400m2componentyardnexttotheho layoutatemporary400m2componentyardnexttothespectacleroofarea. hoistarealayouttwo100typeassemblingfields,followingthehoistingpointpositionofsequenceofmovingThefieldcomponentTowercraneinstallation3号栈桥，位于TCP3范围内。TCP5以及TCP2Inthetowercraneinstallationphase,componentsarecomposedbyflattrucksto3#trestle,whichisintherangeofTCP5andTCP2aretransportedbytheflatcartotemporarystorageyardinspectacleroof,tomeetthetowercranehoistingatthescene.craneinstallationcraneisusedatinstallationfromtheeastofspectacleroof,andthe areachannelworkedin汽车吊进出场及吊装路线Thelineof hoistsintotheappearanceandBecauseBecausethespecialpositionofcanopyproject,Theinstallationprocessinvolvingequipmenttotoupstairs,Soitisnecessary naboutthe cranemovingtoupstairsandwalkingtocranewhichUsedatinstallationphasefromtheeastofcanopyandtheoverviewofinstallationschemasandIntroductiontoconstructionAccordingtothespectacleroofstructuralcharacteristicsandtheactualsituationofscene,Theinstallationmethodisysedforselection:Thesteelstructureofspectacleroofisreticulatedsstructure,theshapeofsmallunitsarerhombusortriangle,theyareunified,andthepartialhaveagoodformingeffect.Theweightofspectacleroofsteelstructureisabout1400tons,althoughithaslargearea,theunitsquaremetersofsteelstructureisrelativelylightinweight.TheverticalheightdistancebetweensteelstructureandGFlayeraremorethan21m,highabovetheground,asfaraspossiblereducingthesteelstructurehighaltitudeoperation,andthehigh-altitudeinstallationprecisionisdifficulttocontrol.4、综合考虑结构分段以及吊装分段，工厂制作以半成品出场为主，尽量减少现场的施工Consideringthestructuresegmentoftransportandliftingsegment,factoryproductionaremainlysemi-finishedproducts,tryingtoreducetheamountofconstructionatthescene.Aroundotherpodium,mainbuildinghavealreadybegunconstructionduringtheconstructionofspectacleroof,,buttheconstructionsiteconditionsisrelativelynarrow,largeequipmentatOTCcannotbehoisting,andthestructureisthin,suchasslip,however,hoistingandothersinstallationmethodsaredifficulttoachieve.Consideringtheaboveysis,steelstructureinstallationmethod:Towercranehoistingareatransportunitintegralhoisting,highaltitudepartsinsert;Autohoistareatakeblockassemblyatground,groundhoistinginsitu,highaltitudeinstallationinsitu,highaltitudepartsinsert.Constructiondivisionandconstruction83.5m，满足小型汽车吊（2.8m)且有利于减少构件安装误差，所以各分区吊装单元为从中间往两边施工。工程共分32个Accordingtothefactorsofitsstructuralcharacteristics,constructionperioddemand,fieldCivilstructureconstructionsequence,ifusingtheequipmentintothefieldconstruction,theequipmentimportroadsandmeasuresofconstructionsequenceneedtobeconsidered.Duringtheconstructionofspectacleroof,thesurroundingbuildingandpodiumhavefinishedconstructionorbeinginconstruction,throughcommunicationwithcivilengineering,thereisachannelat8axispositionwhendesigningtheho,widthupto3.5m,meettheneedsofsmallautohoists(carwidth2.8m)towalkthrough.Consideredofitsstructureispeakshapeand ingsofsmallequipmentismainarmshort,thefirstinstallationofhoistingunitishigherandmoredifficult,anditisfacilitatetoreducethecomponentinstallationerror,soeachpartitionhoistingunitconstructionsequenceisfromthemiddletobothsides.Theprojectisdividedinto3peaksand2troughs.Markthepartitionwithtroughaspartitionline,dividedintothreeconstructionzone:zoneone,zonetwo,zonethree,detailedsectionsandconstructionsequenceseefigurebelow:District天幕各区施工顺序Theconstructionsequenceforspectacleroof nand Accordingtothecharacteristicsoftheoverallstructureofthespectacleroofproject,aswellasitsintersectionwiththesurroundingstructures,thespectacleroofprojectsteelconstructionnispreparedasfollows：Note:TheconstructionnofthespectacleroofprojectisdetailedinAppendix1:worknofsteelstructureengineeringcontrol，MGMCotaiHoProject,Cotai,Macau. ysisofCrossConstructionMGMCotaiProject,Cotai,

Spectacle

Page:31of 15,Oct天幕与周边交叉裙楼结构工期对天幕钢结构分区施工工期计划Theysistablefordurationn施工项开始时Star完成时A1aPodiumDistrictA1bPodiumDistrictA2aPodiumDistrictA3aPodiumDistrictB1aPodiumDistrictB2aPodiumDistrict2014Thequarterof20152014Thequarterof2015Thefirstquarterof1212(Spring34吊车388442信号工188242电焊工88测量166142安全13312283122122涂装paint0553拼装/胎架工85普388388StructureInstallationProgramandTechnologyBearingInstallation80Thereisatotalof80hingedbearingsurroundingSpectacleRoofprojectwhichhaslargetiesandinstallationdifficulty.Itisdifficulttocontrolduringtheinstallationprocessforrotating.Inaddition,consideringthesegmentalhoistingmethodandcornersegmentmethod,thehingedbearingmustbeusedasthesurroundingsupportingpointtosupporttheroofsteelstructurebeforemainroofstructureunloading.Therefore,thetemustbedesignedtolockthehingedbearingbeforeinstallation,ensurethatitcanfirmlysupporttheloadofunitunder.Detailsisshownasfollowing: EssentialsofhingedbearingThebearingshouldbeinstalledaheadofthemainstructureaftertransportingtothescene,tesshouldbetakenasabovemodelshowinbearingproductionprogresstolockthebearingforrotation.Aftertheroofsteelstructureinstallationcompletion，removingthesupportingmeasuresexceptthetippoint,thatistosaytheroofstructurebeforerealizingthewholeunloading,teswillbeunpicked,thenthewholeunloadingcompletes,itisalsoload-bearingcompletion.On-siteConsolidationOfTruckCraneHoistingDesignofAssembly拼装平台设计详图AssemblytformdesignUnitAssemblyAccordingtotransportsubsectionmethodofcomponentandon-siteframeconsolidation,completingeachhoistingunitinstallationongroundinaccordancewithfollowingassemblyprocesses.）Assemblystep1:Assemblybasesettings.Beforeassembling,groundshouldbeclean-upandleveled.Assemblyshouldbeusedasconstructiontform.Accordingtotheneprojectionofcomponent,thecenterline(orothercontrolpointline)ofmaincomponentandpatchingcomponentandlinebothtongue-and-groovepositionshouldbesetout.度过高需用到300*200*8*12）型钢，伸出牛腿根据拼装单元构件的长度分别选取300mm或者500mm不等。Assemblystep2:Afterassemblytformcompletion,frametemtewillbesetupbasedontheneprojectionofcomponent—thesupportmeasureswillusesteelbyH200*200*8*12(partialsupportwhichistoohighusesbyH300*200*8*12)andthelengthofbracketstretchedoutbasedonassemblingunitcomponentshouldbe300mmor500mmrange.料完毕的三角钢板将杆件固定于支撑型钢上，保证其稳定性。吊装过程需测量人员全程，保证构件的拼装精Assemblystep3：Afterstep2completion,made-upcomponentsshippedtositewillbehoistedtobracketandfixedbytriangularsteeltewhichiscuton-siteforstability.Surveyorshouldfullycheckthoughouttoensuretheaccuracy.Assemblystep4：Afterstep3completion,patchingcomponentwillbefixedwithmaincomponentstoformstablecomponentunit.Atthispoint,theunitcanintegrallyhoistinsituafterfinalcheckcompletion.局部倾斜程度较大的吊装遵循同样的拼装步骤，在完成单元单元拼装工作之后即可完成单元吊装工Partialhoistingwhichinlargeinclinationdegreefollowthesameassemblysteps,unithoistingwillcompleteafterthecompletionofunitassemblywork.根据现场拼装需要编制如下拼装措施用量表：Preparingthefollowingtableofamountofassemblymeasuresfortheon-siterequirement:措施项目数Total(PL10PL1020竖向支撑型横向牛腿支 PL10PL105///临时支撑措施支撑方案SectionⅢProgramOfTemporarySupportDesignofTemporarySupportDesignofTubeColumnSupportCombinedInto22m~31m8.6m以内，支撑由Φ299*10作为竖向支撑，支撑之间采用H150*150*7*10连接，一般设置两道联系钢梁,特殊较DesignPrinciple:Accordingtothesegmentation(eachisdiamond)andlightweightofeachsquaremeterofspectacleroofandthesupportingheightisarrange20mto30m,usingthreesteeltubes(Φ299*10)asverticalsupportthatformintotriangleandthenusingsteel(H150*150*7*10)tofixeachothertosupporteachsegmentationforthedistancewithin8.6m.Generallytwocontactbeamwillbesetout,higherandheavierareacanbesetoutanotheroneormore.沙箱放置平台Sandboxced 加劲板 Embedded三角柱支撑DesignoftheColumnBottomFixing20mm，材质为Q235，钢筋为Spectacleroofprojectembeddedpartsisshownbelow,thicknessfor20mm,thematerialqualityQ235,reinmentfor本工程屋面工程支撑措施设计为点对点刚性支撑，支撑脚部位置承受弯矩值较大，必须采取加劲措施（加劲板板厚20mm）以保证其弯矩承受稳定，柱底加劲措施设计如下图所示Pointrigidsupportmeasureisdesignedforthisproject,sothatmomentthebottomofsteeltubereceivesislarge,stiffeningmeasuresmustbetaken(thicknessis20mm)toensureitsstabilitytowithstandmoments.Detaildesignofthebottomofsteeltubestiffeningmeasuresasfollows:说明：此节点形式为支撑柱刚好立于混凝土钢梁上，通过预埋埋件，通过埋件与支撑柱焊接连接。Description:OnthisformthatsupportcolumnsstandonconcretesteelbeamconnectingwithembedmentandembeddedpartsbyweldingDescription:Onthisformthatsupportcolumnstandonthefloor,sosteelbeam(HW400*400*13*21)shouldstretchovertwoadjacentconcretebeamstosupporttheload.Inthedesign,supportpointisabsoluynotallowedtofallontheconcretefloorbuttheconcretebeamortheendofcolumn.Ifnot,conversionshouldbetookasshownabove—thepivotsufferedpassesonconcretebeamtoensurethestability.DesignofConversionSupportDetailsattheTopof柱顶支撑平台设计3.Designofsupporttformatthetopof本工程支撑设计为支撑，规格Φ299*10，由于顶部需架设结构顶部转换支撑以满足屋面倾斜结构支撑要求，所以，支撑柱顶需焊接柱顶支撑平台，平台板截面设计为500mm*500mm，板厚为25mm。与柱焊接连接，且加设四块加劲板，加劲板板厚20mm，Conversionsupportshouldbeerectedatthetopofthesteeltube（Φ299*10）tomeettherequirementsofthesloroofstructure,thereforesupporttformthatthecross-sectionis500mm*500mmandthethicknessis25mmshouldbeweldedatthetop.Atthesametime,fourpiecesofstiffenedtewhosethicknessis20mmshouldbesetouttostrengthenthestructure.柱顶平台设计图Capitaltform2TheconvertingsupportdesignofcolumnInthepositionofcolumntoptformwheretheinstallationiscompleted,duetothemajorityoftheirsupportedroofstructuresarecant,it’snecessarytodesigntheconvertingsupportofcolumntoptomeettherequirementsofthesupportofinclinedstructures.Theconvertingsupportdesignofnon-unloadingSimulatedbythemodelinsitu,thedegreesoftiltofthestructuressupportedbythenon-unloadingpointsconvertingsupportcanbeseen,thenusetheH100*100*6*8steeltoerecttheirsupportinganglesaccordingtotheirdegreesoftilt.Asthediagrambelow:非卸载点转换支撑设转换支撑设计三维Duetotheunloadingpointsneedtobecedsandboxestocompletethefinalunload,theconvertingsupportofunloadpointsneedstobeconsideredadditionally.沙卸载点位置转换支撑三维示意Thearrangementoftemporarysupport三角组合支撑平面布置图Floor noftriangularsteelpipes’combinationAccordingtothestructuralsegmentationandstructuralfeatures,consideringthetrianglestabilitytheirsupport,takethetriangularsteelpipes’combinationsupportfortheoverall三 组合支撑平面布置 noftriangularsteelpipes’三 组合支撑平面布置 noftriangularsteelpipes’combination天幕区域RC结构和钢结构关系TherelationsofawningregionalRCstructuresandTheLayoutofsupportingtireracksoneachG/FG/FLayoutdiagramofsupportingtireGM/FLayoutdiagramofsupportingtire1/F1/FLayoutofsupportingtireNote:TherelatedcalculationsofawningengineeringsteelstructuretemporarysupportaredetailedinAnnexIII:CalculationreportofMGMMacauCotaiHoAwningSteelStructureEngineeringteporary三ThefacadesupportforthetemporarysupportBythedesignedlinemode,theog-sitetemporarysupportmeasurestosupportthefaçadeareasthesediagramsbelow:临时支撑措施立面图临时支撑措施立面图临时支撑措施立面图临时支撑措施立面图另，支撑各个下料长度及支撑高度详见excel表附件四： Inaddition,eachcuttinglengthandsupportheightforsupportisdetailedinexceltableinAnnexIV:theamountofsupportmeasuresinMGMMacauCotaiHoAwningSteelEngineeringtemporarysupportinformationtable.Drawupthefollowingsupportmeasuresaccordingtothesituationofsitetemporary格MeasuresitemsConvertingsupportatthe teatthe

Totalweight 顶部加劲Stiffenedtesatthe底部加劲Stiffenedtesatthe底部横Crossbeamatthe中部连系Tie千斤/合/ThewholeerectingprocessofroofAccordingtothedividingcharacteristicsofawningstructuralcomponentshoistingunit,thecomponentsaremainlydividedin"diamond"componentunit.Besides,othercomponentsembedcomplementaeriallyintheformofspareparts,forwhichthesinglesparepartislighterandtheerectingissimple.Stepone:cleanupthefloorsatthesite,ensurethewalkingpathfortruckcranes;completethelayoutofstackingandassemblysite,thetemporarystackingspaceandassemblysiteshouldbelaidoutreasonably,closesttohoistingasfaraspossibletoreducetheamountofsecondarytransfer.Steptwo:Duetothetowercranesandtruckcraneswhichareselectedasliftingequipmentsatthesiteareusedtohoistcooperatively,towercranesworkaeriallywhiletruckcranesworkonthegroundwhichalsoneedpath.Sothesecondstepforconstructionispreparationwork,erectingthetemporarysupportmeasuresfortowercranesworkingareaatthesite,whereit’snotnecessarytoconsiderthewalkingpathfortruckcranes.整体吊装，汽车吊吊装区域首吊单元24，因为该单元位于整体波谷位置，四角标高较为接近，拼装简单，且可Stepthree: