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Framed Structures- General
Descripción
(Framed structures) Construction technology and management Mapa Mental sobre Framed Structures- General, creado por p.christmas-12 el 07/04/2014.
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construction technology and management
framed structures
construction technology and management
framed structures
Mapa Mental por
p.christmas-12
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Resumen del Recurso
Framed Structures- General
What is it?
Skeleton structure
Envelope responsible for aesthetics
Building frame- Collumns/ horizontal beams
Shed frame- Collunms and roof trusses
Portal (rigid)- Columns and horizontal/ pitched beams with rigid connection
Building type
Residental (house/ apartment block)
Commercial (office)
Industrial (warehouse/ factory/ hangar)
Hospital
Retail ( Shopping mall)
Leisure (theatre/ Stadium)
Structural form
Open plan (beam and collumn)
Cellular (Cross wals/ box construction)
Advantages
Prefabrication (offsite quality advantages)
Multi storey construction works
Flexible plan (more floor space)
Saving floor space (slimmer walls)
Speed of Construction
Reduction in dead weight
Standardisation (collumns, beams, fixings etc)
Framed construction materials
Material requirements
Dead to live load ratio
Strength to weight ratio
Depth to span ratio
Strong, Stiff, Light
Factors affecting choice of material
Size and nature of the sight
Standardised structural members
Speed of erection
Costs
Availability of labor and materials
Fire resistance
Technical constraints
Material choice for Framed construction
Timber
Iron
Cast (brittle)
Wrought (malleable)
Steel
Concrete
In -situ reinforced
Precast
Pre-stressed (pre and post tension)
Fire resistance (full evacuation possible, control of fire)
Strength and stability (of materials, techniques, joints etc)
History of Framed Buildings
1905- Rules for standard fire resisting
Empire State Building, NYC, 1931, 448m (steel frame
Blackpool tower 1894 (steel)
Flatiron building, NYC, 1902, 87m (steel frame)
Liver building, Liverpool, 1908 (Reinforced concrete)
Monadnock building, Chicago, 1891 (skyscraper, load bearing masonry)
St Pancreas Station 1868 (wrought iron)
Crystal Palace, Hyde Park 1851 ( Cast iron/ Wrought iron)
Eiffel Tower, 1887 (Wrought Iron)
Burj Dubai, UAE, 2009, 818m (concrete to 600m, steel to the top)
Ritz and Savoy hotel, early 1900's (first steel framed buildings)
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