In multi-storeyed buildings, the size of the column will be reduced when we move on to the upper floors.

The column width will be reduced from one side & the rebar needs to be bent at the specified slope.

Let us now calculate the length of the bent-up portion & offset of the bend for the following drawing.

__Given data:__

Depth of the beam = 500mm.

Rebar slope =1:6

**Calculation:**

Let us observe the following drawing for calculation purposes.

The 1:6 slope means, for every 6 units of the vertical length of the bar, the offset will be 1 unit.

Therefore, the formula will be

AB / BC = 1/6

AB / 500 = 1/6

AB = [1/6 х 500]

**AB = 83.33mm.**

So, we can provide an offset of **83.33mm**. for the bending of rebar.

Length of AC = √ AB² + BC²

= √ 83.33² + 500²

= √ 6944 + 250000

= √ 256,944

AC = 506.9mm.

Length of the bent-up portion of rebar = **506.9mm.**

**Thank you for going through these calculation steps❤. Have a good day 😄.**

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