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Influence of fly ash blending on hydration and physical behavior of belite–alite–ye’elimite cements
Abstract A cement powder, composed of belite, alite and ye’elimite, was blended with 0, 15 and 30 wt% of fly ash and the resulting blended cements were further characterized. During hydration, the presence of fly ash caused the partial inhibition of both AFt degradation and belite reactivity, even after 180 days. The compressive strength of the corresponding mortars increased by increasing the fly ash content (68, 73 and 82 MPa for mortars with 0, 15 and 30 wt% of fly ash, respectively, at 180 curing days), mainly due to the diminishing porosity and pore size values. Although pozzolanic reaction has not been directly proved there are indirect evidences.
Influence of fly ash blending on hydration and physical behavior of belite–alite–ye’elimite cements
Abstract A cement powder, composed of belite, alite and ye’elimite, was blended with 0, 15 and 30 wt% of fly ash and the resulting blended cements were further characterized. During hydration, the presence of fly ash caused the partial inhibition of both AFt degradation and belite reactivity, even after 180 days. The compressive strength of the corresponding mortars increased by increasing the fly ash content (68, 73 and 82 MPa for mortars with 0, 15 and 30 wt% of fly ash, respectively, at 180 curing days), mainly due to the diminishing porosity and pore size values. Although pozzolanic reaction has not been directly proved there are indirect evidences.
Influence of fly ash blending on hydration and physical behavior of belite–alite–ye’elimite cements
Londono-Zuluaga, D. (author) / Tobón, J. I. (author) / Aranda, M. A. G. (author) / Santacruz, I. (author) / De la Torre, A. G. (author)
Materials and Structures ; 51 ; 1-15
2018-09-22
15 pages
Article (Journal)
Electronic Resource
English
Belite–alite–ye’elimite cement , Fly ash , Hydration , Rietveld method , Phase evolution , NMR , Compressive strength Engineering , Structural Mechanics , Materials Science, general , Theoretical and Applied Mechanics , Operating Procedures, Materials Treatment , Civil Engineering , Building Materials
Influence of fly ash blending on hydration and physical behavior of belite–alite–ye’elimite cements
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