Welded Bracket Connection Calculator

Design a welded bracket connection for eccentric vertical load including combined bending and shear on weld group per AISC

Input Parameters

Results

--
Direct Shear Stress
kips/in
--
Bending Stress
kips/in
--
Maximum Combined Stress
kips/in
--
Minimum Required Weld
in
Note: Assumes C-shape weld pattern (two horizontal returns + vertical along support). For heavy loads, consider stiffened bracket with diagonal stiffener.

Reference

AISC Steel Construction Manual - Bracket Connection Design C-Shape weld: Ix = d^2(3b+d)/6, Sx = Ix/(d/2) Direct shear: fv = P / L Bending stress: fb = M / Sx = P*e / Sx Combined: f_max = sqrt(fv^2 + fb^2) Required w = f_max / (0.75*0.6*FEXX*0.707)