Mechanical Properties, Creep, and Resistance to Diffusion of Chloride Ions of Concretes Incorporating High Volumes of ASTM Class F Fly Ashes from Seven Different Sources

This is a report of an investigation into the performance of 7 low-calcium (ASTM Class F) fly ashes in the high-volume fly ash concrete system. Concrete specimens were tested for compressive strength, Young's modulus of elasticity, creep strain, and resistance to chloride ion diffusion at various ages up to 1 year. The paper describes the study and discusses the results.