LIMIT NEG MOM REGIONS TO ELASTIC STRENGTH

(Girder definitions)

Purpose:  Permits yielding only in positive moment regions in LFD or LRFD projects.

-->    Given in LFD and LRFD girder input.

Constraints use elastic modulus to limit strength (S Fy) instead of plastic modulus (Z Fy) for compact sections only in negative moment regions.  Note this option only has meaning for straight girders.

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