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Effect of fly ashes with high total alkali content on the alkalinity of the pore solution of hydrated portland cement paste

AuthorsLorenzo García, M.ª Paz; Goñi Elizalde, Sara ; Hernández, M. S.; Guerrero Bustos, Ana María
Issue DateFeb-1996
PublisherAmerican Ceramic Society
CitationJournal of the American Ceramic Society 79(2): 470-474 (1996)
AbstractThe influence of two Spanish fly ashes (ASTM class F) with high total alkali content (equivalent to 2.0% and 2.6% Na2O) on the alkalinity levels of the pore solutions expressed from hydrated portland cement pastes was studied during a period of 90 days from mixing. Mixtures with 0%, 15%, and 35% replacement of cement by fly ash were prepared with a water/mixture ratio of 0.4. The effect of the fly ash on the pore solution depended mainly on the age and fineness of the fly ash.
Publisher version (URL)https://doi.org/10.1111/j.1151-2916.1996.tb08146.x
Identifiersdoi: 10.1111/j.1151-2916.1996.tb08146.x
issn: 0002-7820
e-issn: 1551-2916
Appears in Collections:(IETCC) Artículos
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