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An inert, stone product.
Aggregates may be rounded, crushed, artificial, etc., depending on the substance and its origin.
The following classifications apply in relation to size:
- Coarse aggregates or gravels of a diameter ( Ø) of less than 40 mm but greater than 5 mm (40 mm > Ø > 5 mm)
- Fine aggregates or sands of 5 mm > Ø 0.08 mm.
- Limes of 0.08 mm > Ø.
- Graded aggregates. A natural or manufactured mix of gravels and sands of 40 mm > Ø > 0.08 mm.
It is possible for them to be siliceous, limy or granite.
Gravels and sands are essential ingredients for concrete.