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Cement Ncrete Aggregate Testing Instruments

Concrete optimizing the use of fly ash in concrete.Utilization of fly ash in concrete began for example, usbr 1948 follow-ing the pioneering research conducted at the university of california, berkeley davis 1937.The last 50 years has seen the use of fly ash in concrete grow dramatically with close to 15 million tons used in con-crete, concrete products and grouts in the u.S.In 2005.