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What size aggregate should be used to make the concrete for a 4 inch slab?

1/4 inch crushed stone
6%
3/8 inch crushed stone
16%
1/2 inch crushed stone
19%
5/8 inch crushed stone
3%
3/4 inch crushed stone
32%
7/8 inch crushed stone
6%
1 inch crushed stone
6%
Not sure
9%
Next Question
Question: What size aggregate should be used to make the concrete for a 4 inch slab?
Top Answer (32% of 31 votes): 3/4 inch crushed stone.

Answer: Not sure
Explanation: Many factors dictate aggregate size, including method of placement, regional availability of materials, admixtures etc. In order to minimize cracking, it is ideal to use a mix design containing aggregates ranging from natural sand, to 1-1/4" at an average of 18-22% of each size by weight.
Maven Group LLC
Answer: 3/4 inch crushed stone
Explanation: the standard mix for concrete foundations in 3500# - 3/4" aggregate. This means that the concrete wiil yeild 3500 lbs per square inch and it contains 3/4" aggregate
Barrows Contracting Inc
Answer: 3/4 inch crushed stone
Explanation: 3/4" is typical.
QUALITY CONTRACTORS
ProMatcher
Answer: 5/8 inch crushed stone
Explanation: 5/8 or 1/2 is recommmended
alvaradomasonry
Answer: 3/8 inch crushed stone
Explanation: This varies depending on manufacturer usually 3/8-1 1/2"
Black Dirt Services LLC
Answer: 3/4 inch crushed stone
Explanation: This is just the norm. Compaction is the key
h and h company
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