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Car Port post load calculation

 
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Feb7-12, 07:22 PM   #1
 

Car Port post load calculation


Good day everyone.

I have built a car port post in an inverted L shape and want to calculate the load that it can support.

I think I have “over-killed” the posts enough.
I am curious to see how much weight this structure could hold.

Any way of calculating the load at the area which support the wood beam ?

All metal is 1/4" thick.
Base mounting bolts/rod is 5/8"
All joints are welded with arc-welding @ 7018 @ 1/8" rod.

Concrete base 12" sonotube with 24" footing @ 8" thick.
Embedded re-bar 2 part setup .

See attached pictures.

Thanks,
Ben
Attached Thumbnails
Poteaux_001_Assemblé_001a.jpg   Poteaux_001_Assemblé_002a.jpg   Poteaux_001.jpg  
 
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Feb7-12, 07:24 PM   #2
 
Other pics.
Attached Thumbnails
PoteauTerminé.jpg   Poteaux_001_Assemblé_003.jpg   BoltRack.jpg  
 
Feb7-12, 07:35 PM   #3
 
Quote by Bencrx91 View Post
Concrete base 12" sonotube with 24" footing @ 8" thick.
Where do you live?

Where I live - in Canada, Sonotubes are not a good thing. Water seeps down, freezes in the winter and then pushes the concrete straight up the smooth inside of the Sonotube.

And we gotta go down 36" - 48".

(Just finished building my own carport.)

http://davesbrain.livejournal.com/2011/11/05/
 
Feb7-12, 07:44 PM   #4
 

Car Port post load calculation


Thanks for the reply Dave, I live near Ottawa, Canada.

I have poured a 24" diameter footing @ 5ft deep then poured the sonotube on top of it with rebar joining the concrete footing and sonotube. Code require 4ft deep, I have 5ft, it should be good.

Sonotube without "base/footings" if not deep enough will be moved out of the soil from freeze and thaw. (i.e. most people do the sonotubes for fences and dig only 24", 2 years after the fence is out of alignment).

Cheers!
Ben
 
Feb7-12, 07:46 PM   #5
 
Quote by Bencrx91 View Post
Thanks for the reply Dave, I live near Ottawa, Canada.

I have poured a 24" diameter footing @ 5ft deep then poured the sonotube on top of it with rebar joining the concrete footing and sonotube. Code require 4ft deep, I have 5ft, it should be good.

Sonotube without "base/footings" if not deep enough will be moved out of the soil from freeze and thaw. (i.e. most people do the sonotubes for fences and dig only 24", 2 years after the fence is out of alignment).

Cheers!
Ben
Ah! (Chance were highly unlikely you were anywhere near as far North as I - let alone farther. High five!)
 
Feb7-12, 07:48 PM   #6
 
Jesoosi Chistoosi - are those four inch square steel tubes? You could park a second car up there!
 
Feb7-12, 07:53 PM   #7
 
Almost ... 3.5" tubing @ 1/4" in thick.
I know, it's overkill haha, but I would really like to see how much it can support.
A car... or a dump truck ? haha.
 
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