Reinforcement Estimates
Typical average weight of reinforcement (kg/m3) in concrete building elements. The below figures are for guideline only and may vary for different projects.
Typical average weight of reinforcement (kg/m3) in concrete building elements. The below figures are for guideline only and may vary for different projects.
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Concrete building element
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Weight of reinforcement in kg/m3
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Bases
Beams (lightly loaded) Beams Capping beams Columns (lightly loaded) Columns Ground beams Footings Pile Caps Plate slabs Rafts Retaining walls Ribbed floor slabs Slabs – one way Slabs – two way Stairs Tie beams Transfer slabs Walls – normal Walls – wind |
90-130
100-150 150-300 135 110-200 200-450 230-330 70-100 110-150 95-135 115 110-150 80-120 75-125 67-135 130-170 130-170 150 70-100 90-150 |
NOTE: For fully exposed elements add the following:
Beams +15%; Columns +15%; Walls +15%
Average values for typical concrete frames:
Heavy industrial = 130 kg/m3
Commercial = 100 kg/m3
Institutional = 90 kg/m3
Beams +15%; Columns +15%; Walls +15%
Average values for typical concrete frames:
Heavy industrial = 130 kg/m3
Commercial = 100 kg/m3
Institutional = 90 kg/m3
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