Pole Barn - Question on Top Plate approach

[Dave5264]

Good input/Advice

Thanks guys

 

[riverhino]

Dave -
guys did my barn used 3 2x6s, offset and laminated with adhesive between and nailed. Treated below grade.
Made for a a pretty nice job and with a 28' peak and some pretty stout sheer winds the beams and building are solid.
hth
-Ryan

 

[flusher]

Rather than Hi-jack the other post on pole barns, Ill ask a seperate question here.


Im currently drawing up plans for a small pole shed/barn 26 x 34.

My current Drawing shows the top plates will be laminated 2x8 (ie doubled up with the joints off set for strength). These Laminated beams will sit directly on top of the 4x4 Posts.

my question is:

Which way is better, my plan per above or... to sandwitch the 4x4 posts instead. I figure the strength of the beam/post combo is better when laminated and on top vs seperate and held via a carriage bolt.

Opinions please & Thanks

I built a 20 x28 ft shed recently using doubled 2x10 and 2x12 nail-lams setting on top of 4x6 pressure treated posts. Seems to work OK. 4x4 posts are too small for this type of structure.



I've used the sandwiched method on pergolas with 4x4s, nuts and bolts. Small wind loads so 4x4s work OK.



Finished a Japanese style pergola last month with doubled 2x10 glulam/nail-lam construction on 4x6 pressure treated posts.



Good luck with your project. And be sure to use a lot of 4x4 knee braces on the frame.

 

[hbragg]

I am currently building a barn that has a lean to shed roof on each side that will be open like a porch. The shape of the barn is a monitor style. My shed roofs are going to be 12'6" on a 3/12 pitch. I will be using 2x6 rafters. Is there any advantage to placing the 2x 10's independently of each other on the post? I have seen some photos of the amish built barns and notice they do this a lot especially with wind bracing. I have also noticed they cut a block to place under the edge of the 2x10s on each post. Does this help distribute the load that much better than bolts alone. Is there enough to nail to with the 2x10s set independent of one another. The birds mouth notch would have to be cut 81/2 inches to hit both 2xs if I am correct? Any thoughts would be appreciated.