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RE: tube brace

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Matt,

The code most likely does not intend to exclude square shapes from the
requirements by using the description "rectangle".  Of course, a square is
just a subset of the category of rectangle.  The b/t requirements are to
assure that local buckling of the member does not occur.

William Pulyer PE
Charlotte, NC

> -----Original Message-----
> From:	Matthew Jordan [SMTP:MattJ(--nospam--at)CRJARCH.com]
> Sent:	Tuesday, April 11, 2000 12:52 PM
> To:	'seaint(--nospam--at)seaint.org'
> Subject:	RE: tube brace
> 
> greetings esteemed group,
> a quick question of code interpretation
> sec. 2213.8.2.5 limits b/t ratio for tube braces. It says RECTANGULAR
> tubes.
> We are debating whether the code means all tubes or tubes that are not
> square i.e. a rectangle. AISC uses 190/root Fy generically.
> thanks
> matt Jordan
>