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Joints in concrete floor slab on bar joists[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Joints in concrete floor slab on bar joists
- From: DSmith7367(--nospam--at)aol.com
- Date: Thu, 8 Jul 2004 15:35:08 EDT
I have run into an interesting problem. Hopefully, one of our list members will have a comment.
I am investigating a cracked concrete mezzanine floor. The floor is to be used for parts storage but is presently very lightly loaded. The floor is 44' x 51' and has cracked badly throughout into sections approximately 16' x 18'.
It turns out that the architect specified 1.5" composite deck and a total depth of 3 inches. No reinforcement was specified. The contractor, without notifying anyone, substituted 0.6" x 28 ga slabform. No reinforcement was provided. No joints were provided in the floor.
As I started looking into the problem, I realized that I could not find a specific reference recommending the use or nonuse of joints in such a floor system. I would appreciate some help on this.
Since there is essentially no theoretical floor strength, it appears that the entire floor may have to be removed and replaced with reinforcing. There are occupied offices directly under this floor.
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