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2023-12-29

Równanie F.1-1 – AISC 360-22

This equation calculates the lateral-torsional buckling modification factor for non-uniform moment diagrams.

Cb = 12.5Mmax2.5Mmax + 3MA +4MB + 3MC

Cb

Lateral-torsional buckling modification factor for non-uniform moment diagrams

Mmax

Absolute value of the maximum moment in the unbraced segment

MA

Absolute value of the moment at the quarter point of the unbraced segment

MB

Absolute value of the moment at the centerline of the unbraced segment

MC

Absolute value of the moment at the three-quarter point of the unbraced segment


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