Term: Crushed stone

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– Uses of Crushed Stone:
– Macadam road construction
– Riprap
– Railroad track ballast
– Filter stone
– Composite material in concrete, tarmac, and asphalt

– Background of Crushed Stone:
– Major raw material in construction
– Indicator of economic well-being
– Large stone resources globally
– Substitutes for roadbuilding materials
– Highly competitive industry with varying production costs

– United States Statistical Data:
– 1.72 billion tons of crushed stone sold in 2006
– Major use in construction aggregate
– Usage for soil treatment and flux in furnaces
– Recycling as construction aggregate or concrete
– Benefits of using aglime for soil treatment

– Terminology and Variations:
– High performance bedding (HPB) for specific sizes
– Granular A, B, and C variations
– Angular crushed stone for different applications

– See Also:
– Aggregate (composite)
– Dimension stone

Crushed stone (Wikipedia)

Crushed stone or angular rock is a form of construction aggregate, typically produced by mining a suitable rock deposit and breaking the removed rock down to the desired size using crushers. It is distinct from naturally occurring gravel, which is produced by natural processes of weathering and erosion and typically has a more rounded shape.

20 mm (0.79 in) crushed stone, used for construction aggregate and landscape applications

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