Has anyone here worked on a project that used concrete for an elevated exterior deck? Can you use conventional bar joists, pan decking and rebar? How do you deal with corrosion?
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Pan decking is used on bridges as stay-in-place forms all over, however bar joists are not an exterior element and should have fire protection.
...that's not a mistake, it's rustic
I was curious about your post on "bar joists"
Unless I don't know what real bar joists are which is entierly possible.
Isn't that bar joists holding up roofs on drive through loading area etc...........
zig zag round bar inbetween 4 pieces of small angle iron top ran the full span with the bottom being short by about a foot on both ends?
Yeah, I don't know why I wrote that. There are plenty of parking garages that use them too....that's not a mistake, it's rustic
Without all the info - eg :for a residence? a commercial structure? how big? I can only say that I once built an exposed aggregate concrete deck...1-1/2" mes- reinforced conc on PT plywood, on PT joists. Does that help any??
All the best...
To those who know - this may be obvious. To those who don't - I hope I've helped.
you can use bar joist or pre/post tension.
for 11 years i did structural covcrete flat slabs and steelforms(pans). all in big commmercial settings with stamped drawings engineered and architectural.you can build anything with concrete but if it is elevated you better have some design input.soil type ,pier,load,exposure to elements all big factors to design and mud specs
We'll certainly be involving an engineer before we start digging. This is a hillside house for myself with an extreme (45%) slope and the deck will be on 40' off the ground. I draft plans for my father in law's spec business but never anything like this. We will be using bar joist (steel web joists) to support the garage slabs. We wanted to use stamped concrete decks to give the house more of a terrace feel. The only steel we use on decks currently is square tube for posts.
We currently are in talks with HGTV's Dream House to show them how a real builder tackles hillsides down south.Thanks for all the input.
James
Edited 12/13/2005 11:42 am ET by 28oz
Good luck & keep us posted.
In the next couple of years I will be taking on my hillside to put my shop in front of my house. Not as extreme as yours I'm on a 29% slope 25' x 35' shop with the roof doubling as a patio since it will be even with my basement.
15' high wall pored in place except the front will be split face cmu so it matches my landscaping & doesn't look like a shop is there.
Planned on using bar joists with pandecking & puting a slate stamp on the concrete.