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Pinning concrete

Asked Feb 26, 2012, 10:44 PM — 1 Answer
I've just poured 23m2 of concrete against my house,at one end of the pour is also a trench for a block wall, I'm worried as the slab was not pinned to the house, the level was excuvated down for a step so underpinning I thought would be the answear but this was not done, is this a concern or will it eventually find its compaction rate.thanks

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Chris_Klein Posts: 6, Reputation: 13
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Mar 7, 2012, 05:20 AM
Pinning the slab to your house does not anchor it..in fact engineers design for movement in slabs and isolation joints between surface beds and walls is a standard practice.. thus the only factor would be to compact the ground underneath the slab, before you pour the concrete, a 98% MOD ASSHTO compaction of a G5 Material will suffice. Remember to use reinforcing on your slab to prevent cracking a Fabric Mesh Reference 193 will work perfectly 50mm below the top of concrete.
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