Methods for Evaluating Fly Ash for Use in Highway Concrete (2013) / Chapter Skim
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6In 2009, 63 million tons of pulverized coal combustion fly ash, or coal fly ash, was produced in the United States, of which approximately 39% was beneficially utilized (American Coal Ash Assoc., 2011) and the remainder represents an unsustainable solid waste burden to society.
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7 crystalline compounds or incorporated into the glass matrix (Hemmings, 1988)
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