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Concrete encasement to steel membersConcrete encasement is provided to steel column in order to:• Convert steel column into composite column• Increase the rigidity <strong>of</strong> the column• Make the column fire resisting
Steel column before encasedwith reinforced concrete
Page 4 and 5:
Redevelopment of the Lee GardensHot
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International Finance Center Tower
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Characteristic for buildings constr
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Connecting the steel frame tothe in
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A 5-level basement wasconstructed u
Page 14 and 15:
Major elements in Composite Buildin
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Manulife TowerForming the core wall
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International Finance CenterTower 2
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Anchor frame used in the Shun Hing
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Another view of the connection arra
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Concrete filled steel column used i
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Various forms of composite columns
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Composite columns forming themega-c
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External steel column being erected
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Major elements in Composite Buildin
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Detail of the slab (beforeconcretin
Page 36 and 37: Welding the shear stud ontothe stee
Page 38 and 39: Major elements in Composite Buildin
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
Page 62 and 63: Layout situation during the later s
Page 64 and 65: Layout situation during the constru
Page 66 and 67: Layout as shown 4 months later
Page 68 and 69: Core wall and steelframe worked atd
Page 70 and 71: Delivery and liftingof steel member
Page 72 and 73: Provision of lifting equipment fort
Page 74 and 75: Locating the cranesinside the core
Page 76 and 77: Temporary work provision -Erection
Page 78 and 79: Erection of temporarysuspended plat
Page 80 and 81: Intensive use of dry wall makingwat
Page 82 and 83: Applying spray-on fireresisting pla
Page 84 and 85: Encasing the fire escape and lift s
Page 88 and 89: Encasing a column using traditional
Page 90 and 91: Encasing a column usingself-climbin
Page 92 and 93: 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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