Sand, gravel, or crushed stone used in concrete, asphalt, and as a base layer in construction.
Aggregate is granular material such as sand, gravel, crushed stone, or recycled concrete used in construction as a base material, in concrete mixes, or in asphalt pavement. Coarse aggregate includes gravel and crushed stone; fine aggregate is sand. Aggregate makes up approximately 60 to 75% of concrete volume and significantly affects concrete strength and workability.
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