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RE: STRUCTURAL STEEL: Large Pipe Column?

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Go composite.  A 20" diameter column filled with 3500 psi concrete has an
allowable concentric load of 1191 kips for a 20 ft. long column.

Regards,
Harold O. Sprague

> -----Original Message-----
> From: Bill Polhemus [mailto:bill(--nospam--at)polhemus.cc]
> Sent: Wednesday, February 27, 2002 6:45 PM
> To: seaint(--nospam--at)seaint.org
> Subject: STRUCTURAL STEEL: Large Pipe Column?
>
>
> Got a need for a large pipe column. I'd rather use an 18" Dia. Column, but
> that just doesn't seem to make it. I can squeeze in a 20" Dia., but even
> the
> largest HSS size shown (HSS 20.000 X 0.500) isn't quite working. Is there
> any alternative I can use that will give me either a greater material
> strength than ASTM A 500 Gr. "C" (maybe A 618 Gr. I/II?) OR a thicker
> wall?
>
> If I go with the stronger material, just how hard to get is "other
> applicable material specification, the availability of which should be
> confirmed prior to specification"? How do you make such a determination?
>
> 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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