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Re: Concrete cover over conventional rei

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Jerome Tan wrote:

. > Donn,
. > 
. > IMO, I think that your plan checker might be correct. Put 1915.7 (6" above
. > reinforcement) and 1907.7.7.1.1 (at least 3.25") and that may invalidate 
. > 6" and 8" foundations altogether.
. > 
. > Will this apply, however, for interior wall footings for masonry 
. > partitions with its foundation top flushed to the slab top? Sounds pretty
. > expensive to me.
. > 
. > Jerome

I have long been curious as to why thickened slabs are acceptable for 
interior foundations since the gravity loading can be much more than twice 
the loads on the exterior foundations.

A. Roger Turk, P.E.(Structural)
Tucson, Arizona