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Old 08-17-2013, 09:47 AM   #19
zikzak
Carpal \'Tunnel
 
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Join Date: Jul 2009
Location: Hither, Yon
Posts: 22,236
Re: biggerboat's building boondoggle blog

Ugh. Sounds like multiple problems compounding, but mostly just not enough support on not very good soil. idk what 'mudsacking' is exactly, but assume it's a method to fill holes under the garage slab where the soil has settled or washed away over the years, plus hopefully stopping it from happening again. Probably some sort of cement mix placed dry in a bag, then wetted to cure in place.

It's amazing how much dirt can move sometimes. I've found voids the size of a small car under foundations, and it's like, wtf? Where did the stuff GO?
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