Matching measurements of existing steel beam with Handbook beam sizes

[ajk1]

We measured the depth, flange width and flange thickness (using electronic digital calipers for the flange thickness} on a number of beams and then matched them up with the CISC Handbook beams. We could match them all up, except for one beam. Does anyone have a handbook that has this beam size in it? The beam was installed in a 1995 retrofit of an old building. The size on the structural drawings is W14x26.

Measurements:

14" Depth
5½" Width of bottom flange
0.433" (11 mm) Thickness of bottom flange

 

[thaidavid40]

Suspect that you might have an error in measurement, or a recording error, in the flange width (b_f). The dimensions you give here are within the mill tolerances for a W14x26, save for the flange width (5.03"). It looks like your recording of the flange width may be off.
Dave

Thaidavid

 

[francisstevens]

How did you recognized your measurement of W14x26, save for the flange width (5.03"). Even I want some of W15*76,for the flange width (5.05") so would can you please help me on this.
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http://marques.expert/

 

[XR250]

I have found that some new beams don't even match up perfectly with the tables. i wonder if their rollers were getting worn?

 

[ajk1]

A measurement error was of course my first thought, soI had the technician who measured the flange width, go to the site and remeasure all 3 dimensions and he got the same thing. I think we can take it that the measurements are correct.

Yes I know measurements never match perfectly with published tables, but they are not out by 1/2" (12.7 mm)

 

[JStephen]

That flange matches a W16x31#.

Maybe double check that the technician is not confusing 14" with 1'-4".

 

[ajk1]

the only thing i can do is go there and measure it myself.

 

[TehMightyEngineer]

Every once in a while I've run across steel beams that I could not match up with a historic or current shape. I usually just gave up and designed them as a custom section based off of the measured dimensions.

Professional and Structural Engineer (ME, NH)
American Concrete Industries

http://www.americanconcrete.com

 

[ajk1]

Yes. But that does not tell me what the yield strength is. I think it is probably ok, because it seems to be of larger dimensions than the beam called for on the drawings. Thanks for all the comments. Much appreciated.