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Fly Ash. Fly ash is one of the residues generated in the combustion of coal. Fly ash is generally captured from the chimneys of power generation facilities. More; GGBS. A means for best quality concrete. Cement replacement upto even 90% in special cases.
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What once seemed like a good idea is forcing .
· The culprit is one type of coal fly ash, an ingredient that was used in the 1980s and '90s to make concrete.
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Sustainability in Construction: Using Fly Ash as a Cement ...
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Comparison between Portland Pozzolana Cement .
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Coal fly ash and raw or calcined Natural pozzolan for use in concrete Slag Cement : ASTM C989 . Slag cement for use in concrete and mortars
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