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RE: Joints in concrete floor slab on bar joists

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I don’t know what your live load criteria is but my hunch is that when you run the numbers the slab section will check as an unreinforced section under the provisions of ACI 318 Structural Plain Concrete.


D. Matthew Stuart, P.E., S.E.


Senior Project Manager

Schoor DePalma Engineers and Consultants

200 State Highway Nine

Manalapan, NJ 07726

732-577-9000 (Ext. 1283)

732-431-9428 (Fax)

908-309-8657 (Cell)



-----Original Message-----
From: DSmith7367(--nospam--at) [mailto:DSmith7367(--nospam--at)]
Sent: Thursday, July 08, 2004 4:17 PM
To: seaint(--nospam--at)
Subject: Re: Joints in concrete floor slab on bar joists



Thank you for the reply regarding the slab problem.


The slab is on light metal slabform spanning two feet between bar joists.  How would you add sub framing?  It would be tough.

The same with external reinforcement.



Dave Smith