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Stability Bracing for Columns and Beam for SMF per AISC 341-16 with ideCAD

How does ideCAD control stability bracing for columns and beams according to AISC 341-16?

  • ideCAD Structural controls and reports these requirements automatically.


Fy = Specified minimum yield stress
Ry = Ratio of the expected yield stress to the specified minimum yield stress, Fy
Lb = Length between points which are either braced against the lateral displacement of compression flange or braced against twist of the cross-section, in. (mm)
ry = Radius of gyration about y-axis, in. (mm)
E= Modulus of elasticity of steel = 29,000 ksi (200 000 MPa)

According to AISC 341-16 2b, structural steel beams should provide have a maximum spacing of

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