TheSwamp
CAD Forums => Vertically Challenged => Architecturally Speaking => Topic started by: CAB on June 12, 2007, 08:48:06 PM
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I'm trying to read some ragged reduced size prints and usually only deal with houses.
This plan is a 2 story office building.
What size is an 'I' beam when the call out is 'W18x50' 'W18x40' 'W18x31'
How about a Bar Joist '14H3' '8H3'
And how would one call out a concrete foundation pad with 2 layers of steel?
16'-0" x 3'-0" x 1'-6" With 9 #4 rebar the short direction & 4 #5 rebar in the long direction, #5 on the bottom
What is you wanted two rebar mats, one on top of the pad & one bottom?
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Can help you with the I Beams.
These are American imperial I sections
W18x50
Mass=74.4
D=457.2
B=190.5
T=14.29
t=9.53
r=17.46
W18x40
Mass=59.52
D=454.02
B=152.40
T=12.70
t=7.94
r=17.46
no W18x30 in my tables
SMALLEST IS W18x35
Mass=52.08
D=450.85
B=152.40
T=11.11
t=7.94
r=17.46
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Thanks Peter and welcome to theSwamp. :-)
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Hello Peter,
Good to hear from you.
Are you exporting your talents these days ??
regards
kwb
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CAB,
I looked at my charts and I have different numbers than Peter ... although I do not have W18x31 either ...
the smallest I have is W18x35 ...
anyway ...
W18x40
width = 6.015
height = 17.90
W18x50
width = 7.495
height = 17.99
8H3 and 14H3 seem to be designations for open web steel trusses. If that is the case the height is 8 and 14 respectively. I don't have anything indicating the width of the trusses.
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If all you need is relative sizes, then DDSTEEL.LSP has W4x13 thru W36X300.
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There's a W8X31... common common beam... maybe a typo made it 18?
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Slab rebar callout:
Top Steel: 9-#4 longitudinal, 4-#5 transverse
Bottom Steel: 4-#5 etc., etc.
Or 9-#4 longitudinal, 4-#5 transverse, top and bottom
With or without leaders pointing to the reinf.
There's other ways, too. Anything that communicates to the rod-busters.
Bob
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Whoops, I transposed the bar quantities for the longitudinal vs. transverse bars.
Sorry.
B
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Thanks Bob, that helps.
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If all you need is relative sizes, then DDSTEEL.LSP has W4x13 thru W36X300.
I should have thought of that. I do have that lisp.
Thanks
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There's a W8X31... common common beam... maybe a typo made it 18?
Yes, I now think that it is a typo.
I think it reads W16x31
Thanks Josh and Keith
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Are you exporting your talents these days ??
Hi Kerry,
No haven't done any contract work for 4 years now, just been working full time (wages) on the sunny coast & enjoying the weather.
Have been looking at getting into a bit of coding again though, been reading up on C#, looks much easier than C & C++.
Cheers...
Pete