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# TR.19.3 Angle

` property-spec = D WF TF R AY AZ`

- D
- Depth of angle (i.e., length of the leg along the local y-axis)
- WF
- Width of angle (i.e., length of the leg along the local z-axis)
- TF
- Thickness of angle leg
- R
- Radius of gyration about principal axis, shown as r(Z-Z) in the AISC manual (this must not be zero)
- AY
- Shear area in local y-axis. If zero, shear deformation is ignored in the analysis.
- AZ
- Shear area in local z-axis. If zero, shear deformation is ignored in the analysis.