Definitions of Aggregate, Sand, Gravel, Crushed Gravel ...
2019-11-27 · Definitions of Aggregate, Sand, Gravel, Crushed Gravel, Crushed stone, Rock, and Slag AG AGGREGATE is made up of inert material such as sand and gravel, crushed stone or slag, which when bound together into a conglomerated mass by a matrix forms concretes, mortars, plaster and mastics such as black top or macadam roads and asphalt road surfaces.