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15 Cards in this Set
- Front
- Back
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List main materials used in building construction. (List 4 dont include metals) |
Concrete Glass Stone Timber |
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Name some properties of concrete. |
Weak tensile strength Good compressive strength Spalling can occur |
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Name two different types of concrete and describe them. |
Reinforced concrete, has steel bars running through it. Structural concrete, greater fire resistance will not collapse suddenly. |
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The fire resistance of reinforced concrete depends on... List 4 |
Total thickness. Type of aggregate used. The size of reinforcing steel work. Thickness of concrete covering steel work. |
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At what temperature will flaming occur in timber? |
When the surface temp is >350 C |
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Fire resistance of timber depends on? List 3 |
Thickness of timber Type of wood Treatments recieved. |
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What metals are found in construction? List 6 |
Iron. Steel. Aluminium. Lead, copper, zinc. |
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Unprotected steel loses strength at what temperature?? |
At 600 C plus it starts to sag and twist. |
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What can be done to make steel more fire resistant? |
Solid protection. Asbestos in older buildings, cemement based coating in newer. Hollow protection. Layers of material such as plasterboard. |
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Aluminium loses strength at what temperature? |
Loses strength at 100-225 C. Has low melting point Will combust at high temperatures |
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Define Elements of Structure |
Parts of a building that contribute to overall stability of a structure. |
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List some Elements of Structure. List 6. |
Beams Columns Floors Walls Gallery Protected shaft. (Lift shaft, stairwell) |
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Name two types of building construction. |
Solid construction Framed construction. |
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List 6 types of framed construction. |
Structural steel frame. Reinforced concrete. Portal frame. Lightweight steel. Timber construction. Prefabricated/modular system |
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Name three different types of wall. |
Load bearing Curtain Compartment |
