2026-05-31T06:24:03Zhttps://riuma.uma.es/rest/oai/requestoai:riuma.uma.es:10630/210712026-02-03T11:15:22Zcom_10630_2254col_10630_37953
RIUMA. Repositorio Institucional de la Universidad de Málaga
author
Neto, José da Silva Andrade
author
Kirchheim, Ana Paula
author
Gómez-de-la-Torre, María de los Ángeles
2021-03-11T10:41:48Z
2021-03-11T10:41:48Z
2021
Construction and Building Materials 279 (2021) 122428
https://hdl.handle.net/10630/21071
10.1016/j.conbuildmat.2021.122428
Presented within is a critical overview of the effect of sulfates on cement hydration, properties, and optimum
sulfate content in Portland cement. Calcium sulfate is used in Portland cement to control the C3A
reaction to induce the optimum hydration of C3S to occur. The amount of calcium sulfate in the
Portland cement influences the hydration, rheology, setting, phase assemblage, porosity distribution,
and strength in cementitious materials. If added in excess, it can also lead to durability problems, thus
a better understanding is needed about the mechanisms of sulfate on C3A and C3S hydration. The optimum
sulfate content is well known as a key pathway to produce workable, good strength, and durable
concretes. Despite many years of research, questions regarding sulfate optimization remain. Further
investigation on the influence of clinker and calcium sulfate characteristics, the use of different supplementary
cementitious materials and chemical admixtures, and the curing conditions on the sulfate
demand of Portland cement are needed. The main methods used to determine the optimum SO3 content
are reported, and the advantages and disadvantages are examined. Finally, recommendation for future
research is also discussed.
eng
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Cemento Portland
Cemento - Aditivos
Effects of sulfates on the hydration of Portland cement – A review
journal article
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