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Notching Girder Into 6x6 Post

 
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Old 07-10-2015, 02:29 PM   #1
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Notching Girder Into 6x6 Post


Looked at project today, previous builder got the boot
Is this legal?
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Old 07-10-2015, 03:14 PM   #2
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Re: Notching Girder Into 6x6 Post


Oh man.... doesn't doing something like that weaken the load capacity of the 6" x 6" ???

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Old 07-10-2015, 05:31 PM   #3
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Re: Notching Girder Into 6x6 Post


Thereís plenty of meat left over on the 6x6 so I donít see a major problem there unless the load decides to shift to the outside of the girder, the floor beams on both levels are flush so I donít see the girder rolling.

What Iím concerned about is the 2Ē bearing, over time the weight will compress on the small point load causing the girder to split, the notch could end up splitting too
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Old 07-10-2015, 05:36 PM   #4
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Re: Notching Girder Into 6x6 Post


Quote:
Originally Posted by CompleteW&D View Post
Oh man.... doesn't doing something like that weaken the load capacity of the 6" x 6" ???
Notching posts for decks is standard. The big question is whether the connections have to be engineered - for everything I've done, they would be. There isn't a prescriptive solution I'm aware of.
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Old 07-10-2015, 07:10 PM   #5
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Re: Notching Girder Into 6x6 Post


Notch isn't deep enough, and yea it's legal long as the connection is done right.
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Old 07-10-2015, 07:11 PM   #6
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Re: Notching Girder Into 6x6 Post


....There isn't a prescriptive solution I'm aware of..........................

That's a nice statement, and quotable...

I recently had one 'engineered' for triple 2x6's over 6x6 posts.
The 'engineer' wanted one of the 3 to hang off (2 perched on the top) and bolt the triple to the notched 6x6.

Ok...

Original draft was 25 footers and I took him down to 16 with modifications.
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Old 07-10-2015, 09:18 PM   #7
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Re: Notching Girder Into 6x6 Post


Doesn't a post hold something like 500 lbs per square inch? So taking a notch out of them lessens sq inches. Where am I wrong?
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Old 07-10-2015, 09:23 PM   #8
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Re: Notching Girder Into 6x6 Post


I dont know why people avoid hanging the beams with brackets in between the posts.
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Old 07-10-2015, 10:28 PM   #9
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Re: Notching Girder Into 6x6 Post


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I dont know why people avoid hanging the beams with brackets in between the posts.
Maybe because there's an instinctive recognition that a crappy piece of bent sheet metal won't hold up nearly as well as a beefy chunk of wood?
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Old 07-10-2015, 10:42 PM   #10
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Re: Notching Girder Into 6x6 Post


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I dont know why people avoid hanging the beams with brackets in between the posts.
Then half the deck is being supported be SDS screws?
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Old 07-10-2015, 10:45 PM   #11
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Re: Notching Girder Into 6x6 Post


Quote:
Originally Posted by festerized View Post
Looked at project today, previous builder got the boot
Is this legal?
Those step risers look to be taller than 7-3/4" too.
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Old 07-10-2015, 10:54 PM   #12
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Re: Notching Girder Into 6x6 Post


Quote:
Originally Posted by Tom M View Post
I dont know why people avoid hanging the beams with brackets in between the posts.
Wha...wha...what??
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Old 07-10-2015, 10:55 PM   #13
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Re: Notching Girder Into 6x6 Post


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Then half the deck is being supported be SDS screws?
Maybe 10d hanger nails
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Old 07-10-2015, 11:00 PM   #14
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Re: Notching Girder Into 6x6 Post


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Maybe 10d hanger nails
I said sds giving him the benefit of the doubt. But you're right, some hangers are only nailed.
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Old 07-10-2015, 11:11 PM   #15
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Re: Notching Girder Into 6x6 Post


Just for giggles can someone tell me what kind of load a Simpson HUC412 or 414 can carry?
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Old 07-10-2015, 11:21 PM   #16
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Re: Notching Girder Into 6x6 Post


They make heavy duty hangers. Im sure if I get out that simpson book I can find some serious concealed hangers. Painted black is not horrible.

I agree beefy wood looks better specially if its going to be the finished piece.
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Old 07-10-2015, 11:22 PM   #17
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Re: Notching Girder Into 6x6 Post


Quote:
Originally Posted by Tom M View Post
They make heavy duty hangers. Im sure if I get out that simpson book I can find some serious concealed hangers. Painted black is not horrible.

I agree beefy wood looks better specially if its going to be the finished piece.
I think they are rated for like 8000 lbs each. I'm too lazy to search
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Old 07-10-2015, 11:26 PM   #18
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Re: Notching Girder Into 6x6 Post


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Originally Posted by Californiadecks View Post
Then half the deck is being supported be SDS screws?
...

Last edited by hdavis; 07-10-2015 at 11:33 PM. Reason: tired
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Old 07-10-2015, 11:27 PM   #19
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Re: Notching Girder Into 6x6 Post


On these porches the tributary loading is minimal Im sure they exceed the code.
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Old 07-10-2015, 11:38 PM   #20
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Re: Notching Girder Into 6x6 Post


Notching isn't a problem but not bearing the whole beam on the post is. You could probably meet minimum requirements by adding a deck joist tie at each post and through bolting them. I recently built a beam and decided to add a third ply and that is what I did. We met code with a two ply beam but I decided to beef it up, after the fact.

The ties are only rated for a little over 1k lbs per but it looks like you only have about 100 sf or so bearing on the beam so that adds 36 lbs to the design load.

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