1. Have you checked some numbers to see if you will have a problem
observing this requirement?
2. Why see how close you can drive to the edge of a cliff?
I've never had any heartburn with this "limitation". Crane booms might be
fairly challenging in this area, but you mentioned columns.
Fountain E. Conner, P.E.
Gulf Breeze, Fl. 32561
> From: Chanel1096(--nospam--at)aol.com
> To: SEAINT(--nospam--at)seaint.org
> Subject: Built-up Columns
> Date: Monday, May 10, 1999 9:09 AM
> My question concerns columns built-up out of two steel shapes.
> AISC-ASD Section E4 states that the spacing between connections for the
> members shall be such that their individual l/r ratios do not exceed 3/4
> governing ratio of the built-up member as a whole.
> Now to my question, what if you space the connections for the
> individual members such that the l/r are greater then the actual kl/r of
> built-up member but you then base the strength of the built-up member so
> the allowable load is based on a kl/r where the 3/4 relationship is not
> violated? Any Comments or insights?
> -Bill King, EIT