ok. Correct me if I'm wrong but isn't RC simply concrete with rebar in it? If this is the case then I still need to form the slab....i.e. I need to support the concrete while it dries. That is why I was going to use steel beams. Do you think a 2x4 or 2x6 form would be sufficient? wouldn't need a...
I'm planning on building a couple of underground rooms with
concrete roofs. I was thinking that small steel I-beams spaced
2 feet apart would work. The rooms would be 8' wide x 30'. The
concrete will be about 4 inches thick. Between the ibeams would be either 1/2 or 3/4" plywood. Does...