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FLY ASH CONCRETE

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					FLY ASH CONCRETE
      FLY ASH CONCRETE
• Fly ash is a fine, glass like powder
  recovered from the gases of coal fired
  electricity production
• Inexpensive replacement of Portland
  Cement
• Improves strength,segregation and ease of
  pumping the concrete
                  History

• First used in 1929 in the construction of the
  Hoover Dam
• Now used widely across the U.S. and
  particularly in cold weather areas

				
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