presentation-on Shanghai Tower by Rao Umar.pdf

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1. SHANGHAI
TOWER
BY –RAO UMAR
SAP -1000014862

2. Generalinformation
Status:Topped-out
Location:Lujiazui,Pudong,Shanghai
Architectural:632m(2,073ft)
Floorcount:121
Floorarea:380,000m
2
(4,090,300sf)above
170m
2
(1,800sf)below
Architect:Gensler
Engineer:ThorntonTomasetti
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

3. ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

4. DesignConcept
SculptedforEfficiency
Thewindtunneltestisusedtofindthe
mostbeneficialscalingfactorofabout
55%androtationat120°,whichis
accountforthe24%savingsofthewind
loadworkingonthestructure.
TechnicalInnovation
Theconcretecoreactswithoutriggers
andsupercolumnsaretheadvances
scienceofsuper-highrises.
VerticalCommunity
Shanghaitowerembodiesanewconcept
of super-tallbuildingbyemphasizing
publicspacesattheatriumlevels.
SustainableAchievements
Therearetwolaysofskinwrappingthe
entirebuilding.Theatriumscreatedby
theskinsfeaturesasaninsulationwhich
keepthetemperaturestable.
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

5. BuildingLayout
Shanghaitower'sprogramisorganizedinto9verticalzones.
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

6. StructureComponent
•CurtainWallSystem
•MainStructureSystem
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

7. TowerTop
Verticalfin-liketruss
Two-waytruss
Octagonalsteelframebracingsystem
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

8. CurtainWallSystem
Diagramofpositiveandnegativewindcladdingloads(RWDI)
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

9. MainStructure
InnerCylindricalTower
•Core
•Outrigger
•MegaFrame:Supercolumnsystem
andbelttrusses
Thelateralandverticalresistance ofthe
towerwillbeprovidedbytheinner
cylindricaltower.
Theprimarylateralresistanceisprovided
bythecore,outrigger,andsupercolumn
system.
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|
twostories-
outrigger
truss
Corewall
Diagonalcornercolumn
Supercolumn
Belttruss
onestory-
radialtruss

10. InnerCylindricalTower
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

11. Core
Coreofthe zone1andbasement
shearwall:steelplateandconcrete
combination
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

12. Outrigger
Doublestories
Inthesteelsectionofthesuper
columns,thereare
perpendicularcrossribsthat
alignwithbelttrusses.
RadicalOutrigger
Onestory
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

13. MegaFrame
SupercolumnSystem:twoateachendofeachorthonormalaxis
fourdiagonalsupercolumnsalongeach45-degreeaxis
1-6zone 7-8zone
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|
SectionofSuper-column

14. ConnectionDescription
•Complexityofstressstate.
•Connectionsshouldbebroken
afterthedestructivenessof
members
•Differentconnectionshave
differentdesigncriteria,
accordingtothevariationof
structuremembers.
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

15. AxialForce
StressState
•InternalForceAnalysisunderaxialforce
•InternalForceAnalysisunderbendingmoment
•InternalForceAnalysisunderrealloading
BendingMoment
RealLoading
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

16. Excavation
•Towerfoundationpitsareaof
11,500squaremetersanda
depthofabout31meters
•Non-beamedsinglebuildingpit
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

17. Piles
•Staggeredpilearrangementin
loadconcentratedarea
•Orthogonalshapedpile
arrangementinotherarea
PilesPlan
56mlengthincorearea,staggered
52mlengthinothers,Orthogonal
52mlengthins-columnarea,
staggered
MethodRatioof
load
Ratioof
buoyancy
considered
Ratioof
load
Ratioof
buoyancy
considered
Ratioof
load
Ratioof
buoyancy
considered
ShanghaiTowerSWFCJinMaoTower
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

18. Raft
•raftthicknessisdeterminedbythestrengthof
anti-punching,andthencheck theflexural
strength
•6mthickness(3.7mofDubaiKhalīfatower)
•VariableStiffnessDesigntocontrolSettlement
•VariableStiffnessiterativemethodtocalculate
theresultingofpilestiffnessafterthe
amendedmerger
Widthofraft/m
E-Waxe /m
Settlementof
Uniformstiffnessdesign
Settlementof
VariableStiffnessDesign
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

19. Loadhangingthe
cableoftheexterior
curtainwall
Loadfromthe
electromechanicaldeviceand
entertainmentlayers

20. LateralLoadsTransferPath
Structure
components
Shearforce
Overturning
moment
TheMega-
Frame
47％ 76％
Thetubeof
Core
53％ 24％
Windloadsreachtothesurfaceofthebuilding,
andaretransferredtothesuper-columns,thus
themega-framecouldcarrylargerpartofthe
lateralforces.
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

21. LateralLoadsTransferPath
Structure
components
Shearforce
Overturning
moment
TheMega-
Frame
47％ 76％
Thetubeof
Core
53％ 24％
Inthereinforcementlevel,partofthewindload
willbehorizontallytransferredthroughthe
outriggerstotheconcretecore,andthen
transferredtothefoundationvertically.
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

22. BuildingresisttoLateralloadsthrough3
layersofstructure,theytransferwindand
seismicloadonebyone,frominsideto
outside.
TheSuppercoreisthefirstlayerof
Resistance.
Thedoublebelttrussandsupercolumn
arethesecondlayerofResistance.
Theoutriggersandradialtrussesarethe
thirdlayer.
Multi-frameAnalysis
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

23. •Shear
•Moment
•Tension
•Deflection
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|
Multi-frameAnalysis

24. ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|
Multi-frameAnalysis

25. SeismicAnalysis
0 1/2000 1/500 1/400
0
1/1000 1/666
层间位移角
90F
80F
70F
60F
50F
40F
30F
20F
10F
130F
120F
110F
100F
楼层
小震作用下的层间位移角
X方向
Y方向
0 1/1000 1/250 1/200
60F
50F
40F
30F
20F
10F
0
1/500 1/333
层间位移角
130F
120F
110F
100F
90F
80F
70F
楼层
中震作用下的层间位移角
X方向
Y方向
Buildingreposedto
MinorRicherscale
Buildingreposedto
StrongRicherscale
1.Core+SuperColumn
2.Core+DoubleBeltTruss
3.Core+RadialTruss
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

26. SeismicAnalysis
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

27. WindAnalysis
0 1/2000 1/500 1/400
130F
120F
110F
100F
90F
80F
70F
60F
50F
40F
30F
20F
10F
0 1/1000 1/666
层间位移角
楼层
风荷载下层间位移角
合成风
1/475
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

28. WindLoadResistedMethods
Theeffectivebuildingshapemodification
methods
a)thetwistingangle
b)buildingorientation
c)shrinkratioofbuildingplan
alongthebuildingheight
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|

29. WindLoadResistedMethods
Thetunedmassdamper
ShanghaiTower|Introduction|StructureFeatures|FoundationSystem|LoadingAnalysis|LateralLoadsBehavior|Conclusion|