时代金融中心大厦结构设计方案比较

(1)JournalofBuildingStructures(SupplementaryIssue1),,,(,200041):,,5,,2:,,,4,,,,,:;2;;:TU973114:AStructureschemecomparisonofTimesFinanceCenterBuildingWANGYong,ZHOUChun,HUZhenqing,YUEJianyong(ShanghaiInstituteofArchitecturalDesign&ResearchCo.Ltd,Shanghai200041,China)Abstract:Mechanicalbehaviorandcost2efficiencyaretwoimportantaspectsinstructuralschemescomparisonandoptimization.Thepapercompares5structureschemesofasuperhigh2risebuilding,TimesFinanceCenterinShanghaiLujiazuiFinanceandTradeZone.Thecomparisonisperformedonupperbuildingssecurity,constructionschedule,buildingcost,utilizingspace,anditisfoundthemostreasonablestructureschemeisasteel2concretecompositeframecore2tubestructuralsystem.Thecore2tubeisareinforcedconcretestructure,andthelowerouterframeisSRCframe,andthemiddleframeisRCframe,andtheupperframeissteelframe.Thefloornumberofsteelsturctureaffectsthedesignofbasement.Bycomparingpilepattern,bearingstratumandthedepthintothebearingstratumof4pileschemes,boredpileisselected.Byusingthepostbase2groutingtechnology,thepilelengthisreasonablyshortened.Keywords:superhigh2risebuilding;steel2concretecompositestructure;postbase2groutingboredpile;schemecomparison:(1972),,,:200830,,,,,,,+,,,,1,239m,4,46;24m,12000m2,88000m22[1],2,,64,4,31,,,[2],,,1/1000[3]121Table1StructureschemesoftheouterframeABCDE,++++++++++(A=100)100104107108105/270220160160270,,1Fig.1Elevationpicture2,52Fig.2Structuralstandardplan,,1,:1,E,,,4:,A,D,BC,D,A,BC,D,BC,A,D,A,BC74,,D,,,,(),(,A)120();21120();2142;4346120();2134;35,322Table2Comparisonofthestructureschemes/kN2129739193636619398911850165016508/mm150015001400140014001400409322328/m474646/mm420035003500/mm139103105,,,,,A,,,,,,,[4],,,,,3:20,,,2136,20135,3Table3Comparisonofthesteelstructureschemes333538/kN1918456193989119658321600165017008/mm140014001400140014501450320328339/m464646/mm350035003700/mm1021051133,4,44Table4Comparisonofthepilepatterns,,,,,,,,,,,,,,,,,,[5](58)844(1),,(2),,(3),,,(4),,[1]JGJ32002[S].[2].[M].:,2005.[3].[M].:,2004.[4]GB500072002[S].[5].()[M].:,1990.(48)5Table5Resultsofthesettlementanalysismmmm/mcmkNkN/kN8504664215302915660063146600850476531530291266006463660085048664153028186600661666008504967515302815660067626600:,C35;18m,,,,,(5),,,,,,,,,,,:,850mm,63m,46m,C40,6600kN,700mm,4715m,32m,C30,1350kN,3300kN,3500mm2000mm1016cm4,2,,20,2034,[1]JGJ32002[S].[2],,,.[J].,2006,28(5):155221555.[3]GB500172003[S].[4]DG/TJ08201520042[S].[5]DGJ082111999[S].85