# Useful points for Calculation of Steel ( Reinforcement )

Hello Friends, In this article I will discuss some useful points for calculation of steel reinforcement, from these points you can get idea to find the weight of steel easily, let’s get start.

### Useful point for Calculation of Steel Reinforcement

1. For beam hook= (beam depth – both side covers)/2.
As for instance, if the depth of the beam is 450mm, then hook will be (450-50)/2=200, here cover for beam is considered as 25 mm
2. For stirrups the hook=4d in accordance with codes but as per site conditions it should be 50 mm per hook at the time of carrying out bar bending schedule.3. For slab the rod, the crank length is l/5.
4. For beam, the bottom extra is at l/6.
5. For slab the top extra expands upto l/3.
6. For beam the top extra bar expands upto l/3.

7. The column capitals expand upto l/4.
8. Where l denotes actual length of the beam. It is considered as center to center of the beam.
9. The crank length is 1.41d, where d denotes depth of slab or beam – two side cover.Also read:

Bar Bending Schedule for Footing

Types of Retaining Walls and their used

written by : Engr Sami Ullah Stanikzai

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