Cold formed steel solid blocking at deck edge

[milkshakelake]

Quick one. Does anybody else do this? Simple yes/no is fine. Note that I use regular bridging at 8'-0" OC. This is additional solid blocking at edges only.

I've been using this for years because I saw someone else use it. I don't see any point to it, so I'm planning to stop using it.

 

[Celt83]

typically use the edge blocking to get the wall below horizontal reaction up into the diaphragm, otherwise your tasking the CFS Beam with that reaction and associated torsion.

I'm making a thing:

http://www.thestructuraltoolbox.com

(It's no Kootware and it will probably break but it's alive!)

 

[milkshakelake]

@Celt83 Good point. But I don't see that being done with wood, which would presumably be weaker. That being said, if the beam is okay in torsion and horizontal shear, this should still work.

 

[Celt83]

Really, I've never seen an exterior wood wall detail that didn't have blocking at least at 48" o.c. for two or three truss bays

I'm making a thing:

http://www.thestructuraltoolbox.com

(It's no Kootware and it will probably break but it's alive!)

 

[KootK]

Does anybody else do this?

I do this. It doesn't have to be three blocking spaces necessarily but I think that one needs some way to drag the out of plan loads on low the studs into the floor diaphragm.

 

[KootK]

But I don't see that being done with wood, which would presumably be weaker.

Yeah, I wouldn't use conventional wood construction practice as your benchmark for high achievement structural detailing.

 

[milkshakelake]

Got it. Thanks folks, this answers my question completely!