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Influence Of Fly Ash Fineness And High Replacement Ratios On Concrete Properties, Shihwen Hsu, Maochieh Chi, Ran Huang
Influence Of Fly Ash Fineness And High Replacement Ratios On Concrete Properties, Shihwen Hsu, Maochieh Chi, Ran Huang
Journal of Marine Science and Technology
The influence of fly ash (FA) fineness and a high cement replacement ratio on concrete properties was investigated. Class F FA with an original fineness of 3,150 cm2 /g (3F) and a high fineness of 5,690 cm2 /g (5F) was used; high cement replacement ratios of 30%, 40%, 50%, and 60% by FA with different levels of fineness (two groups: 3F30, 3F40, 3F50, 3F60, and 5F30, 5F40, 5F50, 5F60 by weight of cement) were selected to produce the blended cement concrete. Tests regarding the heat of hydration, compressive strength, water absorption, rapid chloride penetration, and Mercury intrusion porosimetry were performed. …