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Información tecnológica

On-line version ISSN 0718-0764

Abstract

LIZARAZO, Juan M; SALAS, Andres  and  ESCOBAR, Diego A. Effects of Curing on Properties of Concrete Mixtures with High Iron-Slag Content. Inf. tecnol. [online]. 2016, vol.27, n.6, pp.163-174. ISSN 0718-0764.  http://dx.doi.org/10.4067/S0718-07642016000600017.

In this paper, the compressive strength, the resistance to carbonation and the chloride ion penetration of concrete mixes blended with high volume ground granulated blast furnace slag (GGBS) with water-to-binder ratios of 0.4 and 0.5 were determined. The study also investigated the effect of curing on the mentioned properties. Two methods of curing were evaluated: (1) air-dry curing, and (2) wet curing. The results showed that the dry curing conditions have an adverse effect on the properties studied, especially at high volume of GGBS. In contrast, wet-cured blended samples showed similar or even superior performance than the mixes using only the common Portland cement.

Keywords : high performance concretes; supplementary cementing materials; ground granulated blast furnace slag; concrete resistance.

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