Eccentric Weld Load Calculator

Calculate combined direct and torsional shear stress on eccentrically loaded weld groups using the elastic vector method per AISC

Input Parameters

Results

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Direct Shear
kips/in
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Torsional Shear
kips/in
--
Resultant Shear
kips/in
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Required Weld Size
in
Note: Uses elastic vector method per AISC. For more economical designs, use the instantaneous center (IC) method from AISC Table 8-4 through 8-11.

Reference

AISC Elastic Vector Method (Steel Construction Manual Ch. 8) Direct shear: fv = P / L Torsional shear: ft = T*r / J, where T = P*e Resultant: fr = sqrt(fv^2 + ft^2 + 2*fv*ft*cos(theta)) Weld capacity (LRFD): phi*Rn = 0.75*0.6*FEXX*0.707*w