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in steel bar weight formula (d^2/162).so what is 162.
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Answer Posted / bhanu seshagiri
Derivation of Constant 162:
dead weight of steel is 7850 kg/cum
formula
(area of bar) x (1 meter of bar) = volume of bar
(3.14/4 x d/1000 x d/1000) x 1 meter = volume of bar
(0.000000785 x d x d)cum (dia. convert to meter)
1 cum of steel is 7850 kg
so (0.0000007845 x d x d) cum of steel bar is
(0.000000785 x d x d) x 7850 =0.006162 x d x d = d x d /162 (1/0.006162 = 162)
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