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Re: Beam properties

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Looking at a Bethlehem Steel Shapes manual from 1962, looks like the closet match is a 12 I 31.8, standard beam.

On Fri, Dec 3, 2010 at 1:10 PM, Mark(--nospam--at)Crownjade.com <mark(--nospam--at)crownjade.com> wrote:

I have an existing building with RTU’s being added and need to analyze the beams. The simplest of course is a table of properties. The beam dimensions don’t fit W, M, S, or HP per AISC 9th. It is an I-shape with a slightly tapered flange (I didn’t get that difference in thickness dimension), d=12-3/16”, bf=5”, tf=3/8” (by subtraction) and tw=1/4”. The beams are fairly light. Does anybody know where to find the properties for these? They are in a 50 to 80 year old Denver, CO building.

 

Thank You, Mark Benjamin

Crown Jade Design and Engineering, Inc.

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