Reinforcement Estimates - Prova Surveying Ltd

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Reinforcement Estimates

Concrete building element
Weight of reinforcement in kg/m3
Bases
90-130
Beams
250-350
Capping beams
135
Columns
200-450
Ground beams
230-330
Footings
70-100
Pile Caps
110-150
Plate slabs
95-135
Rafts
115
Retaining walls
110-150
Ribbed floor slabs
80-120
Slabs – one way
75-125
Slabs – two way
67-135
Stairs
130-170
Tie beams
130-170
Transfer slabs
150
Walls – normal
70-100
Walls – wind
90-150


NOTE: For exposed elements add the following:
Beams +100%; Columns +15%; Walls +50%



Average values for typical concrete frames:

Heavy industrial = 130 kg/m3
130
Commercial = 100 kg/m3
100
Institutional = 90 kg/m3
90


Prova Surveying Ltd Company Number 7078031 Registered in England.
Copyright ? 2019 Prova Surveying Ltd. All Rights Reserved.

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