FLY ASH CONCRETE - PowerPoint PPT Presentation - PowerShow
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, 3, History, First used in 1929 in the construction of the, Hoover Dam, Now used widely across the U.S. and particularly,