by
Bovyn Mar Rostata , Assistant Project Manager/ Senior Construction Project Architect , Design Coordinate Incorporated
Typical average weight of reinforcement (kg/m3) in concrete building elements. The below figures are for guideline only and may vary for different projects.
Concrete building elementWeight of reinforcement in kg/m3
Bases Beams Capping beams 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
90-130250-350 135 200-450 230-330 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 exposed elements add the following:Beams +100%; Columns +15%; Walls +50%Average values for typical concrete frames:Heavy industrial = 130 kg/m3Commercial = 100 kg/m3Institutional = 90 kg/m3
