If the grade is 1/4 or 3/8-inch low, then you’ll need about 23 or 35 cubic yards of extra concrete for a 30,000 square foot placement. This can really add up for a large slab.

This special structure is a slab base structure known as Grade slab/Slab on grade/soil supported slab which withstands when imposed with desired loading. This report gives a comparative analysis of ...

Placed in concrete, they can help slabs resist observable cracks within the first couple days of placement. ACI defines macrosynthetic fibers as greater than 0.012 in. in diameter — think of a ...