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Re: Crane Beam Design using excel spreadsheet downloaded in www.aisc.org

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Angel -

I don't understand what you're asking.  The edition of Design Guide 7
that I have shows Lr = 636 inches (Oct 2003 printing, page 55) for
Example 18.1.3 (the LRFD version of 18.1.2).

Are you trying to determine what section will have an Lr value
of 607 inches?  This can be looked up in the LRFD steel manual for many sections.

Or are you asking how to implement the iterative solution in
Excel?

Charley

--
Charles Hamilton, PhD EIT               PGR and Lecturer
Department of Civil and                 Phone: 949.824.3752
    Environmental Engineering           FAX:   949.824.2117
University of California, Irvine        Email: chamilto(--nospam--at)uci.edu



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