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Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete

 
This specification covers coal fly ash and raw or calcined natural pozzolan for use in concrete where cementitious or pozzolanic action, or both, is desired, or where other properties normally attributed to fly ash or pozzolans may be desired, or where both objectives are to be achieved. Fly ash and natural pozzolans shall conform to the prescribed chemical composition requirements and physical requirements. The materials shall be tested for fineness, strength activity index, water requirement, soundness, and autoclave expansion or contraction.
Keywords
ASTM C618 - Coal - Concrete - Fly Ash - Natural Pozzolans
ICS CODE
91.100.30 (Concrete and concrete products)
UNSPSC CODE
30111500 (Concrete and mortars)
CITATION FORMAT
ASTM C618-19, Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete, ASTM International, West Conshohocken, PA, 2019, www.astm.org