新加坡超高层建筑钢结构安装施工技术演示英文

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3660561486430573826RENDERVIEWSGENERALMETHODSTATEMENTAftertheinvestigationofthesiteandcalculatingtheweightofsteelmembers,theerectionworksisdividedinto3stagesasthefollowing:Stage1:Erectionofstructuralsteelworksat4Finsequencebya300-Tcrawlingcranefor3blocks.Stage2:Erectionofstructuralsteelworksfrom5FtoROOFbyaninternalCTL400towercraneforeachblock.Stage3:Erectionofauditoriumstructuralsteelworksanddismantlingof3internalCTL400towercranesbyanexternalWK160Btowercrane.Deliveryofsteelmembersiscarriedbytankcranesandtrailersonsite.GENERALARRANGEMENTPLANFabricationareaRoadofcrawlingcraneofficeGENERALARRANGEMENT(STAGE1)1STPROPERSITEA300tcrawlingcraneerects4Fstructuralsteelworksfromblock3toblock2inthreepropersites,anderecting3internaltowercranesinsequence.2NDPROPERSITE3RDPROPERSITE1STPROPERSITE2NDPROPERSITE3RDPROPERSITEGENERALARRANGEMENT(STAGE2)Erectionofstructuralsteelworksfrom5FtoroofwithaCTL400internaltowercrane(ifnecessary,acrawlingcranecanbeprovided).GENERALARRANGEMENT(STAGE3)AWK160Bexternaltowercraneshallbeerectedfordismantlingof3internaltowercranesandinstallationofauditoriumstructuralsteelworks.VERTICALERECTIONSEQUENCECore3-5FinadvanceHoisting2Finadvancewelding1FinadvancedeckingsynchronousShearstudsynchronousFloorreinforcementdelayed1FFloorconcretedelayed1FORGANIZATIONCHARTMANPOWERARRANGEMENT1.personnel：202.specialists：63.skilledworkers：1964.unskilledworkers：：2205.TOTAL：442起重设备及配套300吨履带吊CC2000台1南洋提供按当地要求塔吊GL400台3南洋提供按当地要求塔吊WK160B台1南洋提供按当地要求150吨履带吊KH700台2南洋提供按当地要求80吨履带吊KH300台2南洋提供按当地要求构件拖运车辆

台3南洋提供按当地要求无线对讲机

台40南洋提供按当地要求现场大\小配电柜

台

南洋提供按当地要求枕木

方150南洋提供按当地要求探伤设备超声波探伤仪CTS－2000台2南洋提供按当地要求磁粉探伤仪DCT-E台1南洋提供按当地要求安全防护安全木跳板

方300南洋提供按当地要求地下室楼面支固

项1南洋提供按当地要求其他当地的安全要求

项1南洋提供按当地要求焊接设备直流电焊机AX-500台36当地租赁按工程要求CO2焊机CPXS-500台90当地租赁按工程要求压型钢板点焊机CPVD350台3当地租赁按工程要求熔焊栓钉机JSS-2500台3当地租赁按工程要求测量设备全站仪GTS-211D台3当地租赁按工程要求经纬仪J2-2台6当地租赁按工程要求激光铅直仪

台3当地租赁按工程要求水准仪DZS3-1台4当地租赁按工程要求其它办公车辆

台3当地租赁按工程要求THELISTOFMAINEQUIPMENTSANDTOOLSERECTIONSCHEDULE1、ERECTIONOFTRUSSESAT4F：60day2、ERECTIONOFSTRUCTURALSTEELWORKFROM5FTO10F：42day3、ERECTIONOFTRUSSESAT11F：：30day4、ERECTIONOFSTRUCTURALSTEELWORKFROM12FTO17F：42day5、ERECTIONOFTRUSSESAT18F：：30day6、ERECTIONOFSTRUCTURALSTEELWORKFROM19FTO20F：16day7、ERECTIONOFTRUSSESAT21F：：30day8、ERECTIONOFSTRUCTURALSTEELWORKFROM22FTOROOF：40day9、ERECTIONOFAUDITORIUMSTRUCTURALSTEELWORK：30dayTOTAL：360dayERECTIONPRINCIPLEOFSTAGE1Erectionscope：：Thetotalstructuralsteelworksat4Fof3towerbuildings.Themainhoistingequipmentisa300Tcrawlingcrane.Theweightofmemberislessthan70ton.4.Theerectionsequenceisblock3,block1andblock2.5.Foreachblock,afterfinishthestructuralsteelworksat4F,thenerectingtheinternaltowercrane.6.Aftercompletingtheworkmentionedabove,thecrawlingcraneshallmovetoanotherpropersite,carryingontheworkofSTEP5.FABRICATIONOFA300TCRAWLINGCRANEINPROPERSITETEMPORARYSUPPORTINGINBASEMENTFROMB1TOB6ERECTIONOFEMBEDDEDPLATESFORSUPERCOLUMNSERECTIONOF4FSUPERCOLUMNS＆BEAMSERECTIONOFCANTILEVERTRUSSESAT4FOFBLOCK3ERECTIONOFPERIMETERTRUSSAT4FOFBLOCK3FURTHERERECTIONOFCANTILEVER＆PERIMETERTRUSSESAT4FOFBLOCK3ERECTIONOFBEAMSAT4FOFBLOCK3ERECTIONOFANINTERNALTOWERCRANEINCORECA300TCRAWLINGCRANEMOVINGTO2NDPROPERSITEERECTIONOFCANTILEVERTRUSSESAT4FOFBLOCK1ERECTIONOFPERIMETERTRUSSAT4FOFBLOCK1FURTHERERECTIONOFCANTILEVER＆PERIMETERTRUSSESAT4FOFBLOCK1ERECTIONOFBEAMSAT4FOFBLOCK1ERECTIONOFANINTERNALTOWERCRANEINCOREAA300TCRAWLINGCRANEMOVINGTO3RDPROPERSITEERECTIONOFCANTILEVERTRUSSESAT4FOFBLOCK2ERECTIONOFPERIMETERTRUSSAT4FOFBLOCK2FURTHERERECTIONOFCANTILEVER＆PERIMETERTRUSSESAT4FOFBLOCK2ERECTIONOFBEAMSAT4FOFBLOCK2ERECTIONOFANINTERNALTOWERCRANEINCOREBTHETOTALSTRUCTURALSTEELWORKSAT4FOFBLOCK1-3ERECTIONPRINCIPLEOFSTAGE21.Erectionscope：Thetotalstructuralsteelworksfrom5FtoROOFof3towerbuildings.2.Themainhoistingequipmentsare3CTL400internaltowercranesandacrawlingcrane.3.Theweightofmemberislessthan18tons.4.Iftheweightofmemberismorethan18tons,Itshouldbedividedtomeetthedemandofhoisting.5.Tospeedupthesupplyofmembers,atemporaryshippingvehiclemaybeneededonthegroundfloor.6.Theerectionscheduleis150dayinstage2.INTERNALTOWERCRANESERECTIONThreeinternaltowercraneserectedbya300TcrawlingcraneERECTIONOFSTRUCTURALSTEELWORKFROM5FTO6FINSTALLATIONOFTEMPOTARYSUPPORTINGFROM5FTO6FERECTIONOFSTRUCTURALSTEELWORKFROM6FTO9FINSTALLATIONOFTEMPOTARYSUPPORTINGAT11FERECTIONOFCANTILEVER＆＆PERIMETERTRUSSAT11FERECTIONOFSTRUCTURALSTEELWORKFROM12FTO14FERECTIONOFSTRUCTURALSTEELWORKFROM15FTO17FERECTIONOFCANTILEVER＆＆PERIMETERTRUSSAT18FERECTIONOFSTRUCTURALSTEELWORKFROM19FTO21FERECTIONOFCANTILEVER＆＆PERIMETERTRUSSAT22FERECTIONOFBEAMFROM21FTO22FERECTIONOFSTRUCTURALSTEELWORKFROM22FTO24FERECTIONOFROOFSTRUCTURALSTEELWORKTHETOTALSTRUCTURALSTEELWORKSFORBLOCK1ERECTIONPRINCIPLEOFSTAGE3

(AUDITORIUM)ERECTIONOFCOLUMNSTANDBallnodeERECTIONOFFALSEWORSERECTIONOFUMBRILLASTANDSERECTIONOFBOTTOMARCBEAMSERECTIONOFBOTTOMRINGBEAMERECTIONOFBOTTOMTRUSSESFURTHERERECTIONOFBOTTOMTRUSSESERECTIONOFBOTTOMFLATBEAMSERECTIONOFFALSEWORSFORSUPPORTINGBALLHATERECTIONOFBALLHATERECTIONOFLONGITUDEBEAMS(1)ERECTIONOFLONGITUDEBEAMS(2)ERECTIONOFLONGITUDEBEAMS(3)ERECTIONOFLONGITUDEBEAMS(4)ERECTIONOFLONGITUDEBEAMS(5)ERECTIONOFLATITUDEBEAMS(1)ERECTIONOFLATITUDEBEAMS(2)ERECTIONOFLATITUDEBEAMS(3)ERECTIONOFINTERNALBEAMSERECTIONOFLATITUDEBEAMS(4)ERECTIONOFLATITUDEBEAMS(5)THETOTALSTRUCTURALSTEELWORKSOFAUDITORIUMSURVEYINGWELDING1、WELDINGCONSUMABLES：WELDINGELECTRODE：E5016DIAMETER：φ3.2、φ4.0WELDINGWIRE：H08Mn2SiADIAMETER：φ1.22、WELDERSTESTINGAllweldersfortheworksshallbesuitablequalified.beforeanyweldingWork,alltheweldersmustbetestedtoachievetherequirementsofBSEN287-1.3、KEYWELDINGPROCESS（1）Weldingproceduretest：Theweldingproceduretestshallbemadeaccordingtothetypesofweldingconnectionandthethicknessofplatesbeforeanyweldingworks.（2）Weldingenvironment：whenweldinginfield,Itshouldtakeprotectivemeasuresifthewindspeedistoohigh.（3）WeldingshallbeinaccordancewithBSEN1011-1.（4）Keepingcontinuouswelding.（5）Applyingappropriateweldingsequence.BOLTINGBolt,nutsandwashersusedshallcomplywithBSENISO4017,BSENISO4032andBSENISO7091respectively.Thesamegradesofthesamediametershallbeusedinthesameboltconnection.Aftertightening,atleastoneclearthreadshallbeshownabovethenut.BoltshallbetightenedinaccordancewithBS2583.INSTALLATIONOFDECKINGUseddeckingshallbecompliedwithBS5950Part8withaspanwidthof200mmandthethicknessof1mm.Duringinstallationofdecking,temporarysupportingmayberequired,andthesemustbekeptinplaceuntiltheconcretehasachievedsufficientstrength.Nopuncturingofthedecksheetispermitted.SHEARSTUDThepropertiesofstudsusedshallbesatisfiedwiththeclient’’srequirements.Studsshallbeweldedinaccordancewiththemanufacture’’srecommendationsformaterials,proceduresandequipment.Beforeproductionweldingofstuds,proceduretrialsshallbecarriedout.whenther