Size and Quantity of Reinforcement for Building Works
Gopal Mishra
Reading time: 1 minute
Different size and quantity of reinforcement is required for different concrete members in buildings. Quantity of reinforcement per cubic meter and its suitable sizes for different reinforced concrete construction is discussed.
Reinforcement is required for reinforced concrete members such as footings, beams, columns, slabs, lintels etc. Estimation of reinforcement quantity is required prior to tendering stage to calculate approximate cost of project or construction work.
Size and Quantity of Reinforcement for Building Works
Following table gives the estimated quantities of reinforcement and its size generally used for various building works:
Sl. No
RCC Member
Quantity in kg/m3
Size of reinforcement required
1
Column footings
75
10mm or 12mm
2
Grade beams
100
12mm, 16mm β 85%
Stirrups β 6mm or 8mmβ 15%
3
Plinth beams
125
8mm diameter β 85%,
Stirrups 6mm β 15%
4
Columns
225
16mm, 20mm and 25mm β 90%
Ties β 6mm or 8mm β 10%
5
Lintel beam
125
12mm, 16mm dia β 85%
Stirrups β 6 mm or 8mm β 15%
6
Sunshades
60
8mm dia β 75%
Distributer β 6mm β 25%
7
Canopy slab upto 2.0 m span
125
10mm dia β 80%
Distributor bars β 6mm or 8mm β 20%
8
Staircase waist slab
150
12 or 16mm dia β 80%
Distributor 8mm dia β 15%
All above mentioned steel are round tapered steel. This data is just for estimation of quantity of steel for various RCC works. This does not provide actual steel required for all the members. Actual quantity of steel required can be calculated from the drawings prepared after structural design.
Read more articles on Reinforcement GuideΒ andΒ Material Estimation Guide