View Full Version : Beam Dimensions
Thaumaturge
10th Sep 2007, 10:03 am
Can anyone help with dimensions of W beams used in USA. The table I have only goes up to W27 and I am looking for W33x141.
ReMark
10th Sep 2007, 10:40 am
Depth: 33.3
Web: 0.605
Width: 11.535
Flange: 0.960
Will this do?
Thaumaturge
10th Sep 2007, 10:59 am
Thanks ReMARK, that will do very well.
Hedgehog
10th Sep 2007, 11:00 am
A table here (http://revit.autodesk.com/library/Library/Revit%20Architecture%202008%20Library/US%20Library/Families/Structural/Columns/Steel/W-Wide%20Flange-Column.txt) .
Rupert9819
10th Sep 2007, 07:45 pm
what do those numbers mean? i take structural drafting next quarter but want to know now? can you post a picture to help explain it better
SLW210
10th Sep 2007, 08:32 pm
what do those numbers mean? i take structural drafting next quarter but want to know now? can you post a picture to help explain it better
Those are the dimensions of the beams. If you want a head start, buy your classroom book now, it should have a list in the back.
Thaumaturge,
If you need more info or some blocks let me know.
Thaumaturge
11th Sep 2007, 10:11 am
SLW10,
Thanks for the offer. For details of these sections I usually use a website efunda.com but the table there only goes up to W27. Do you know a website that covers all sizes? Or maybe you have a copy of tables which you could let me have?
Hedgehog
11th Sep 2007, 10:32 am
Cross reference the W27 data you have with the table I posted... it should make sense & goes up to W44.
ReMark
11th Sep 2007, 10:54 am
Rupert9819: The numbers refer to the beam designation (W33X141), the weight per lineal foot (141), area (41.6), depth (33.3), web thickness (0.605), flange width (11.535) and the flange thickness (0.960). As for the last number, I'm stumped too. Can someone provide the last bit of info?
As for the beam "shapes", in the USofA, the typical ones are "W", "M", "S" and "HP". I'm not sure how these came to being but perhaps another forum member could enlighten us both. The "layman" will almost always refer to these shapes as "I" beams because of their distinctive profile. All beams, as you shall learn, are not created equal.
CromCruithne
11th Sep 2007, 12:40 pm
My guess is that the last number is the "K" dimension; from outside of flange to the flat of the web, taking the weld (coping, fillet, whatever you want to call it) into account. There's also a "T" dimension that's only the flat of the web. I'll try to remember to get a full list of beam dimensions and post them.
-Crom
SLW210
11th Sep 2007, 02:27 pm
This site will give you the basic dimensions. O'Neal Steel (http://www.onealsteel.com/stockbook.html)
The list Hedgehog gave is pretty good. If you need some DWG of the beams I can send you a few. I have a steel program in AutoCAD that pops it right up.
Thaumaturge
11th Sep 2007, 04:54 pm
SLW210,
Thanks for the offer. Please send what you can - all help is appreciated.
ReMark,
In the U.K. the k value is the radius of gyration about the axis of the beam but the dimension shown in the table doesn't seem to support this.
SLW210
11th Sep 2007, 05:19 pm
Here is a 3D DWG
SLW210
12th Sep 2007, 03:24 pm
SLW210,
Thanks for the offer. Please send what you can - all help is appreciated.
ReMark,
In the U.K. the k value is the radius of gyration about the axis of the beam but the dimension shown in the table doesn't seem to support this.
In the US we go by this for k value....
Thaumaturge
13th Sep 2007, 10:19 am
Thanks SLW210, the `k' dimension for U.S. beams is now indelibly printed on my mind.
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