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Keywords: calcium
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Journal Articles
Publisher: ASTM International
Article Type: Research-Article
Cement, Concrete & Aggregates. December 1999, 21(2): 105–110.
Published Online: December 1, 1999
...MDA Thomas; MH Shehata; SG Shashiprakash Fly ash has been used as a pozzolanic admixture in concrete for more than 50 years. Earlier uses were largely confined to low-calcium ashes from hard bituminous or anthracite coals. However, increased demand for fly ash coupled with the declining...