Bolted Connection

Spacing of Bolts / Nails / Screws
 

spacing-of-bolts-nails.gif
Spacing Formula
$s = \dfrac{RI}{VQ}$   or   $s = \dfrac{R}{q}$
Shear Flow Formula
$q = \dfrac{VQ}{I}$

Where
s = spacing of bolts
R = shear capacity of bolts
I = moment of inertia of the section about the neutral axis
V = maximum shear
Q = moment of area