Slab on grade, crushed agg. base
Slab on grade, crushed agg. base
(OP)
I have an issue with compaction requirements for a crush aggregate base, we currently have no requirement. I have not been able to find information on whether there is even a compaction requirement for crush aggregate or aggregate under a slab on grade. I have looked in ACI 302 but it was no help. Does any have information on what should be used? Also what does everyone else use?






RE: Slab on grade, crushed agg. base
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I have seen heavy rollers compacting 60 to 80 cm say 7cm and lower typical crushed stone. I would love to remember that the compaction was made in layers, but it is not in my mind. A colleague ran the show, was for just 6 floors or so above, and placed under a structural mat of akin thickness.
RE: Slab on grade, crushed agg. base
RE: Slab on grade, crushed agg. base
Using a gap-graded aggregate layer beneath a floor slab requires that you compact it, but you have little or no measure of compaction. Plate compactors don't work well for this, and "jumping jacks" are out of the question. A small roller, vibratory or static will work to achieve uniformity.
RE: Slab on grade, crushed agg. base