Concreate Calculation For Stair

How to calculate concrete for stair

Concreate Calculation For Stair

Concreate Calculation For Stair

Volume Of Landing =  Area \times Thickness
= (3 \times 3 \times 0.5)
= 4.5 Cbt

Volume Of 1st block = (2 \times 3 \times 0.5)
= 3 cbt.

Volume Of 2nd block =  (1 \times 3 \times 0.5)
=  (1 \times 3 \times 0.5)
= 1.5cbt

Volume of waist =  x-section \times length
Length of Waist =  \sqrt{9^2+(4.5)^2}
=10.6 bt.

Volume of waist =  (5.37'' \times 3) \times 10.6'
=  0.4475 \times 3 \times 10.6
= 13.5 cbt

Volume of Steps =  Volume of one step \times Number of step
=  (\frac{1}{2} \times 1 \times 0.5 \times 3) \times 9
= 6.75 cbt

Total PCC volume = (4.5+3+1.5+13.5+6.75)
=29.25 cbt

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