ASTM C618-23e1

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1.1 This specification covers coal 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 coal ash or natural pozzolans may be desired, or where both objectives are to be achieved.

Note 1: Finely divided materials may tend to reduce the entrained air content of concrete. Hence, if a coal ash or natural pozzolan is added to any concrete for which entrainment of air is specified, provision should be made to ensure that the specified air content is maintained by air content tests and by use of additional air-entraining admixture or use of an air-entraining admixture in combination with air-entraining hydraulic cement.

Product Details

Published:
03/01/2023
Number of Pages:
5
File Size:
1 file , 330 KB
Note:
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