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3 day cure for a slab

3 day cure for a slab

3 day cure for a slab

(OP)
I'm remodeling my house, including a small expansion of my slab. Maybe 10 ft by 30 ft. Contractor wants to save some time (as do I) and has recommended starting framing over the slab after a 3 day cure instead of 7 days.

Thoughts? Residential construction isn't my primary field.

Hydrology, Drainage Analysis, Flood Studies, and Complex Stormwater Litigation for Atlanta and the South East - http://www.campbellcivil.com

RE: 3 day cure for a slab

all depends on the mix design, curing and loads. good mix and cure and it can handle moderate loads. Ask for a structural mix, at least 3,000 psi and preferably 4,000. might cost slightly more, but worth it

RE: 3 day cure for a slab

Slab on ground? Not a problem.

RE: 3 day cure for a slab

(OP)
It's probably cheap residential mix. Maybe 2500 psi? Not sure. Slab is on grade.

Hydrology, Drainage Analysis, Flood Studies, and Complex Stormwater Litigation for Atlanta and the South East - http://www.campbellcivil.com

RE: 3 day cure for a slab

beej67...not really a problem, except anchorage. Use a bit stronger concrete so that anchors don't crack the edge. Other than that, not an issue. If they use adhesive anchors, won't be an issue either way.

RE: 3 day cure for a slab

Two sawcuts?

Dik

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