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re: is there a standard depth for house slabs

Posted on 5/30/18 at 2:39 pm to
Posted by tigerinthebueche
Member since Oct 2010
36791 posts
Posted on 5/30/18 at 2:39 pm to
can't say I've ever seen that on my slab. what happens if its post tensioned? does it break apart when you drill into it?
Posted by junkfunky
Member since Jan 2011
33966 posts
Posted on 5/30/18 at 3:09 pm to
The tendons snap and will likely blow out the concrete.

ETA:

They make rebar scanners similar to stud finders. They usually start at a few hundred but it might be something a rental place carries.
This post was edited on 5/30/18 at 3:14 pm
Posted by Capital Cajun
Over Yonder
Member since Aug 2007
5528 posts
Posted on 5/30/18 at 3:50 pm to
If it’s post tension then there are cables run through the slab and they have been stressed really tight. If you drill through or damage a cable, they can pull up through a slab (not likely)or shoot out the side of the foundation(more likely).
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