Size of reinforcement required for RCC Members is important one. Different size and quantity of reinforcement is required for different RCC members in buildings. Quantity of reinforcement per cubic meter and its suitable sizes for different reinforced concrete construction is discussed.
S.No | RCC Member | Quantity in kg/m3 | Size of reinforcement required |
1 | Column footings | 75 | 10mm or 12mm |
2 | Grade beams | 100 | 12mm, 16mm – 85%
Stirrups – 6mm or 8mm – 15% |
3 | Plinth beams | 125 | 8mm diameter – 85%
Stirrups – 6mm – 15% |
4 | Columns | 225 | 16mm, 20mm and 25mm – 90%
Ties – 6mm or 8mm – 10% |
5 | Lintel beam | 125 | 12mm, 16mm dia – 85%
Stirrups – 6mm or 8mm – 15% |
6 | Sunshades | 60 | 8mm dia – 75%
Distributer – 6mm – 25% |
7 | Canopy slab upto 2.0m span | 125 | 10mm dia – 80%
Distributor bars – 6mm or 8mm – 20% |
8 | Staircase waist slab | 150 | 12 or 16mm dia – 80%
Distributor 8mm dia – 15% |
9 | Roof slab | ||
One way slab | 80 | 8mm dia – 70%
Distributor – 6mm – 30% |
|
Two way slab | 100 | 8mm dia – 100% | |
Square slab – 4m to 6m size | 150 | 10 – 12mm dia – 100% | |
10 | Main beams above 6m | 250 | 20mm. 16mm, 12mm – 80 – 85%
Stirrups – 8mm – 15 – 20% |