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Characteristic for buildings constructed in compositemanner in Hong Kong• Size of building usually very large – floor area ranging from1800 to 2500 sq m, total floor area from 80000 to 200000 sq m• Structural forms bear similarity – RC core as the inner tubeprovide rigidity, external frame with perimeter steelcolumns/edge beams, floor in composite deck with RC topping• Very few columns provided at base/lower level to createspacious lobby at Ground entrance• External bracing members are seldom used to avoid blockingof valuable exterior view. Belt truss and outrigger systems areused instead• Buildings usually consist of a very large and deep basement
IFC 2 – structural configuration of thetower with the first set of Transfer/BeltTruss on 6/F, mega-columns, edgebeams, floor deck. and the RC core
Page 4 and 5: Redevelopment of the Lee GardensHot
Page 6 and 7: International Finance Center Tower
Page 10 and 11: Connecting the steel frame tothe in
Page 12 and 13: A 5-level basement wasconstructed u
Page 14 and 15: Major elements in Composite Buildin
Page 16 and 17: Manulife TowerForming the core wall
Page 18 and 19: International Finance CenterTower 2
Page 20 and 21: Anchor frame used in the Shun Hing
Page 22 and 23: Another view of the connection arra
Page 24 and 25: Concrete filled steel column used i
Page 26 and 27: Various forms of composite columns
Page 28 and 29: Composite columns forming themega-c
Page 30 and 31: External steel column being erected
Page 34 and 35: Detail of the slab (beforeconcretin
Page 36 and 37: Welding the shear stud ontothe stee
Page 40 and 41: Detail of the Transfer Truss locate
Page 42 and 43: Elevation and InstallationArrangeme
Page 44 and 45: Construction zonefor core wallCore
Page 46 and 47: Belt truss and outrigger systemsof
Page 48 and 49: Outrigger and the column connection
Page 50 and 51: Installation of the belt truss atca
Page 52 and 53: Installation ofthe belt trussIntern
Page 54 and 55: Installing the bracing frame for th
Page 56 and 57: Sequential detail of theretro-insta
Page 58 and 59:
Detail of the column shortening con
Page 60 and 61:
Production concerns for the constru
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Layout situation during the later s
Page 64 and 65:
Layout situation during the constru
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Layout as shown 4 months later
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Core wall and steelframe worked atd
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Delivery and liftingof steel member
Page 72 and 73:
Provision of lifting equipment fort
Page 74 and 75:
Locating the cranesinside the core
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Temporary work provision -Erection
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Erection of temporarysuspended plat
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Intensive use of dry wall makingwat
Page 82 and 83:
Applying spray-on fireresisting pla
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Encasing the fire escape and lift s
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Concrete encasement to steel member
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Encasing a column using traditional
Page 90 and 91:
Encasing a column usingself-climbin
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Future development of using structu
Page 94 and 95:
Convenient products in market allow
Page 96 and 97:
Detail of the hybrid elements
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