7.2 Prefabricated Construction Systems adopted in Hong Kong

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Examples of application of prefabricatedtechniques in civil construction works1. Used in highway projects such as cantilevered deckof elevated bridge, parapets of expressway and roadcurb2. Precast girder units or beams for elevated roadway(viaduct)3. Precast beams or decks for elevated pedestrianfootbridges4. Tunnel lining especially for tunnel formed by tunnelboring machine5. Decks for long span bridges
Examples of application (continue)6. Marine work such as seawall and deck of terminalberth7. Soil retaining element such as for earth-balancedtype retaining structure8. Platform for railway station9. Parapets and noise barrier panels10. Overhanging ducts or services channels forunderground facilities11. Nullah section for storm water discharge
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Prefabricated Construction Systems
Page 3 and 4:
Development and Application (contin
Page 5 and 6:
Prefabricated ConstructionThe basic
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High quality precastelements can be
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Prefabricated ConstructionContinue
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Limitation and drawback in using pr
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Provision for the forming of arigid
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Precast elementsrequired huge amoun
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Transportation, access andlifting p
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Connecting precast elements1. Conne
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Connecting columnto base (similar f
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Beams rest oncorbel of column(with
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Haunchingarrangement toconnect beam
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Case Examples
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First generation of HarmonyBlock us
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After-fix façade system requiredth
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Forming the floor slab in theHarmon
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Public houses using Concorddesign w
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Other pioneered projects in theearl
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Forming the floor slab using precas
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Introduction of prefabricatedconcep
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Layout of the quarter building show
Page 45 and 46: Detail of the façade andthe lintel
Page 47 and 48: Construction of special buildingsus
Page 49 and 50: Forming of the castin-situmain beam
Page 51 and 52: Semi-slab with RCtopping to form th
Page 53 and 54: Erecting of the building frameusing
Page 55 and 56: Placing the secondary beamsonto the
Page 57 and 58: Detail of the beam/columnand beam/b
Page 59 and 60: Residential developmentat Cyber Por
Page 61 and 62: Features in the construction -large
Page 63 and 64: Residential Developmentat Taikoo Va
Page 65 and 66: Detail of the loss-form
Page 67 and 68: Overview of the precastinstallation
Page 69 and 70: Cambridge House - a 42-storeyOffice
Page 71 and 72: Placing of the precast beam trought
Page 73 and 74: Future Trend in the application ofP
Page 75 and 76: Examples of very congestedconstruct
Page 77 and 78: The Integer Houseat Admiralty
Page 79 and 80: The working concept
Page 81 and 82: Assembly of the 3-D modules
Page 83 and 84: Example of Innovative Project (over
Page 85 and 86: Habitat 67 as seen along the bank o
Page 87: Close up look of the modulated dwel
Page 90 and 91: Forming and Installation ofthe modu
Page 92 and 93: BuildingSection
Page 94 and 95: Connecting the modules
Page 98 and 99: Elevated pedestrianfootbridge in Mo
Page 100 and 101: Precast girder erectedon top of the
Page 102 and 103: Structural arrangementof the footbr
Page 104 and 105: Precast box-girder for the RamblerS
Page 106 and 107: West Kowloon Expressway -installing
Page 108 and 109: Forming the elevated trackof the We
Page 110 and 111: Placing the precastgirder in positi
Page 112 and 113: Construction of highway bridge usin
Page 114 and 115: Overall layout of the precasting ya
Page 116 and 117: Formwork to form the innervoid of t
Page 118 and 119: Drawing provided byChina Harbour En
Page 120 and 121: Installation of the box-girders
Page 122 and 123: Precast parapet unit for the highwa
Page 124 and 125: Tunnel lining formedby precast segm
Page 126 and 127: Forming the station platformusing p
Page 128 and 129: Delivery of the precast units
Page 130 and 131: Precast concrete plankas cover to p
Page 132 and 133: Forming storm water discharge culve
Page 134 and 135: Precast units to form the 4mhigh 5-
Page 136 and 137: Precast culvert in the formof semi-
Page 138 and 139: Positioning of the culvertsection o
Page 140 and 141: Precast box as footing to bridgetow
Page 142: End of PresentationandThank youIf y
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7.2 Prefabricated Construction Systems adopted in Hong Kong

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