Crank length
Crank is a slight bending in bars at the
lap so that maintains the clear cover even at the lap position. The rule that
is generally practiced is that the slope of crank 1:10 & minimum length of
crank 300 mm.
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| Crank length of reinforcement |
Crank length = (d1+d2+5)*10mm
d1 =diameter of smaller bar d2
= diameter of largest bar
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