Answer Posted / mohammed mohiddin

1. Unit wt of steel Ws = 0.785 kg/cm^2/meter length.


2. Crossectional Area (As) of steel can be found using

formula


As = pi x d^2/4

where d = dia of rebar in cm.


3. Now, wt of steel = Ws x As kg/m



Eg:


Take,

d = 16 mm


Wt of steel per meter lenght = 0.785 x 3.1428 x (1.6)^2/4

= 1.58 kg/ meter length of bar


This can be simplified for calculation as below:



Wt of steel = square of dia in mm/162 (kg/ meter length)


Note:- This is very simple method where we must remember to

mention dia in millimeter to get result in kg per

meter length of rebar.




...Good luck...

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