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Started By
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re: OT engineers: need help with load holding weight of beam
Posted on 4/20/17 at 8:03 pm to Bjorn Cyborg
Posted on 4/20/17 at 8:03 pm to Bjorn Cyborg
0
Posted on 4/20/17 at 8:18 pm to Bjorn Cyborg
Probably a W-20 or W-24
Posted on 4/20/17 at 8:21 pm to Bjorn Cyborg
Posted on 4/20/17 at 8:25 pm to Bjorn Cyborg
What's the target max deflection? How will it be supported?
750 pounds ain't shite. I'm going to pull a number out of my arse and say an 8" I beam would be overkill.
750 pounds ain't shite. I'm going to pull a number out of my arse and say an 8" I beam would be overkill.
Posted on 4/20/17 at 8:29 pm to DownshiftAndFloorIt
Is this for home use or something used in industry? Osha requires a 5 to 1 safety factor if it's used in industrial applications
Posted on 4/20/17 at 8:30 pm to RoosterCogburn585
I'm thinking OP is definitely not doing this on a job site 
Posted on 4/20/17 at 8:35 pm to Bjorn Cyborg
My I beam supports your mom
So 2"
So 2"
Posted on 4/20/17 at 8:38 pm to DownshiftAndFloorIt
LINK
Check that link out. Doesn't include trolley analysis, but will give you a place to start. Trolley just adds stress to beam flanges.
Check that link out. Doesn't include trolley analysis, but will give you a place to start. Trolley just adds stress to beam flanges.
Posted on 4/20/17 at 8:40 pm to Bjorn Cyborg
750lbs... Gonna assume that 30' span has no lateral support... Fairly conservatively a W8x24 W10x26 or W12x26. (According to AISC 9th edition and CMAA Specification No. 74)
That'll be $300, I'll send you and invoice.
That'll be $300, I'll send you and invoice.
This post was edited on 4/20/17 at 8:42 pm
Posted on 4/20/17 at 8:42 pm to DownshiftAndFloorIt
I'd go with an s10x25.4
If his span is only supported at the ends at 30' I'd suggest capping it with a piece of c6x8.2 lip down and chain tack to help prevent the beam from twisting and bending.
Also, when you get a hoist trolley get one that locks especially if he's going to be using it to flip stuff.
If his span is only supported at the ends at 30' I'd suggest capping it with a piece of c6x8.2 lip down and chain tack to help prevent the beam from twisting and bending.
Also, when you get a hoist trolley get one that locks especially if he's going to be using it to flip stuff.
Posted on 4/20/17 at 8:53 pm to Bjorn Cyborg
You are looking for an I beam, not an H. (I am assuming you are going to be moving it on a beam trolley.)
Your hoist speed also plays a role. What make and model of hoist?
Your hoist speed also plays a role. What make and model of hoist?
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