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"Zee"-Shape Purlins Resisting Uplift Loads

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Has anyone here (maybe you who work in the metal building world) had
experience with resisting uplift on zees used as purlins? I'm wondering
about the "usual and customary" method of bracing the bottom flange of the
zee against lateral torsional buckling due to wind uplift.



William L. Polhemus, Jr. P.E.
Polhemus Engineering Company
Katy, TX, USA
Phone (281) 492-2251
FAX (281) 492-8203
email bill(--nospam--at)polhemus.cc



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