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OT engineers: need help with load holding weight of beam

Posted on 4/20/17 at 7:41 pm
Posted by Bjorn Cyborg
Member since Sep 2016
26618 posts
Posted on 4/20/17 at 7:41 pm
I need to figure out what size H-Beam I need to hold 750 pounds over a 30-foot span.

Is there a good chart that illustrates the various beam sizes and weights they hold over various spans?
Posted by East Coast Band
Member since Nov 2010
62713 posts
Posted on 4/20/17 at 7:42 pm to
Ask the experts at Lowe's.
Posted by OneMoreTime
Florida Gulf Coast Fan
Member since Dec 2008
61834 posts
Posted on 4/20/17 at 7:44 pm to
how is the weight distributed
Posted by Pecker
Rocky Top
Member since May 2015
16674 posts
Posted on 4/20/17 at 7:45 pm to
Are you trying to get us to do your structural analysis homework?
Posted by Pectus
Internet
Member since Apr 2010
67302 posts
Posted on 4/20/17 at 7:46 pm to
A little late to start studying for the PE...
Posted by Bjorn Cyborg
Member since Sep 2016
26618 posts
Posted on 4/20/17 at 7:46 pm to
It would be hanging from a hoist sliding back and forth across the beam, so it would be at various points on the beam, but never in more than one spot.
Posted by KG6
Member since Aug 2009
10920 posts
Posted on 4/20/17 at 7:46 pm to
Load.......ha
Posted by Bjorn Cyborg
Member since Sep 2016
26618 posts
Posted on 4/20/17 at 7:47 pm to
I am building an overhead hoist.
Posted by LCA131
Home of the Fake Sig lines
Member since Feb 2008
72586 posts
Posted on 4/20/17 at 7:49 pm to
14 inches...now quit bothering me, I am eating my soup.
Posted by BlackCoffeeKid
Member since Mar 2016
11695 posts
Posted on 4/20/17 at 7:50 pm to
quote:

Are you trying to get us to do your structural analysis homework?


Structures homework aint due until next Thursday.

...I'll be back to this thread then
This post was edited on 4/20/17 at 7:53 pm
Posted by CHEDBALLZ
South Central LA
Member since Dec 2009
21903 posts
Posted on 4/20/17 at 7:50 pm to
Your looking for "S" beam not H beam.

What size load you looking to lift?


Engineers Toolbox
Posted by Pecker
Rocky Top
Member since May 2015
16674 posts
Posted on 4/20/17 at 7:51 pm to
quote:

I am building an overhead hoist.




I gave up structural analysis when I finished Structural Analysis II.

I will recommend this though. Might be of some help for determining beam sizes. I have no idea where mine is for reference.


AISC STEEL CONSTRUCTION MANUAL
This post was edited on 4/20/17 at 8:05 pm
Posted by DownSouthDave
Beau, Bro, Baw
Member since Jan 2013
7366 posts
Posted on 4/20/17 at 7:55 pm to
quote:

Your looking


This guy writes like an engineer, I'd listen to him.
Posted by stinkdawg
Savannah, smoking by the gas cans
Member since Aug 2014
4072 posts
Posted on 4/20/17 at 7:55 pm to
Times everything by 37. They just hate that. Also if you are a structural engineer please quit and go to work at Walmarks.
Posted by junkfunky
Member since Jan 2011
33850 posts
Posted on 4/20/17 at 7:56 pm to
Point or line load? Dead only?
Posted by OneMoreTime
Florida Gulf Coast Fan
Member since Dec 2008
61834 posts
Posted on 4/20/17 at 7:58 pm to
quote:

It would be hanging from a hoist sliding back and forth across the beam, so it would be at various points on the beam, but never in more than one spot.

How is the beam supported?
Posted by LCA131
Home of the Fake Sig lines
Member since Feb 2008
72586 posts
Posted on 4/20/17 at 8:01 pm to
quote:

How is the beam supported?


If it is darkish steel, by the government.
Posted by CHEDBALLZ
South Central LA
Member since Dec 2009
21903 posts
Posted on 4/20/17 at 8:01 pm to
I'm not an engineer but every hoist beam I've ever installed was as "S" beam and I've put in quite a few.
Posted by junkfunky
Member since Jan 2011
33850 posts
Posted on 4/20/17 at 8:02 pm to


You're correct
Posted by Rebel
Graceland
Member since Jan 2005
131174 posts
Posted on 4/20/17 at 8:03 pm to
i'd get a medium.

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