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RE: Ground bearing slabs without control joints[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: <seaint(--nospam--at)seaint.org>
- Subject: RE: Ground bearing slabs without control joints
- From: "Stuart, Matthew" <mstuart(--nospam--at)schoordepalma.com>
- Date: Tue, 14 Nov 2006 16:48:48 -0500
Your slab will crack over the lengths described below unless you;
We have a project in which for various reasons we wish to have a slab on ground without control joints. Section 7.12 of ACI discusses minimum temp and shrinkage steel for structural slabs but the commentary states this is not intended for SOG. Would using the minimum areas of steel p = 0.0018 be conservative? If section 188.8.131.52 & 9.2.7 (for restrained slabs) is followed how would you practically quantify the force of shrinkage?
The floor area is about 150x 65 and we could probably divided this up into thirds with moving construction joints.
Thanks for your thoughts.
Mark L. Puccio P.E., S.E.
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