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Aggregate Storage

HMA is a mixture of aggregate (crushed stone, gravel, and sand), and asphalt binder.

 

Aggregates are usually stored in stockpiles as shown. Stockpiles may be covered to prevent rain from soaking the aggregate or aggregates may be stored in large silos or bunkers. When storage silos or bunkers are used they often act as cold feed bins to meter the aggregates into the plant.

 

Horizontal Stockpile
Horizontal Stockpile
Bunker
Bunker
Aggregate Silos
Aggregate Silos