btec construction unit 5 methods of construction for domestic buildings
TRANSCRIPT
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Btec Construction Unit 5
Methods of construction for domestic buildings
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Different types ofstructures
• Up to the 1920s most buildings had solid walls
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Cavity walls• The cavity prevents
moisture passing through the wall.
• As long as the cavity is kept clean and the wall ties are correctly positioned
• Water is free to run down the inner face of the external wall
• The water drips safely below the DPC.
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Cavity Walls
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Timber frame wall construction
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Pre-fabricated
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Pre-fabricated
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Timber frame house
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From the inside
What do you think is more efficient?
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Modern insulation materials
• Rockwool• Recycled Paper• Sheep's wool
• Polystyrene balls
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Flat and Pitched Roofs
Where is the insulation ?
Which one is more efficient ?
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Modern Trussed Roof
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Traditional “Cut” Roof
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Stairs, Doors, Windows
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Construction of Floors
• Suspended Timber floors
• Solid Floors
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Solid Floor Screed
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Internal Walls
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Services
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Different structural stability
• What is a internal load bearing wall?
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Concretefoundations and excavation
What are the different types of foundation?
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Narrow strip foundation
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Wide strip foundation
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Raft foundation
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Pad foundation
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Excavation
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