Check capacity of welds;
in2
0.125 - in
A eff =
= 0.088 -
in
2
Use E70 electrodes: fexx = 70ksi (482.7MPa)
Therefore,
QE = φ0.6)fexx(Aeff) x (the total length of welds)
(
QE = 0.75(0.6)70ksi(0.088-in2)8" = 22.3k > 0.806k (99.2KN > 3.59KN)
O.K.
Note: Connections are overdesigned, but required to distribute forces to the steel deck.
Note: For metric equivalents; 1-in = 25.4mm, 1-ft = 0.30m
Figure I1-2. Wire support and bracing system
I1-4
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