Modified water/cement ratio law for compressive strength of fly ash concretes |
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Authors: | S E Hedegaard T C Hansen |
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Affiliation: | (1) Building Materials Laboratory, Technical University of Denmark, Building 118, DK-2800 Lyngby, Denmark |
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Abstract: | Experimental data are presented which suggest that the development of compressive strength of fly ash concretes can be explained by superposition of two independent mechanical pore-filling mechanisms in the cement—fly ash paste. It is also suggested that the traditional water/cement ratio law for ordinary Portland cement concretes can be applied to fly ash concretes, provided that a slight modification is introduced. This will be of assistance in the design of fly ash concrete mixes for compressive strength. |
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