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handle: 10261/211580
[ES]: El trabajo tiene como objetivo evaluar las resistencias mecánicas y la durabilidad de hormigones de escorias activadas alcalinamente (AASC) utilizando como activador una disolución de silicato sódico hidratado. El comportamiento de estos hormigones en términos de resistencia y porosidad es comparable al rendimiento observado en los hormigones de cemento Portland. Los ensayos realizados mostraron que los hormigones de escoria activada alcalinamente exhibieron una buena durabilidad frente a la penetración de cloruros (multirrégimen UNE 83987) y un buen comportamiento de adherencia a barras de acero corrugado (ensayo de pull-out) comparable a los hormigones de cemento Portland.
[EN]: The present study aimed to evaluate the mechanical strengths and durability in alkali activated slag concretes (AASC) using a solution of sodium silicate hydrate as activator. The behaviour of these concretes, in terms of strength and development of porosity, was comparable to the performance observed in ordinary Portland cement concretes. The trials conducted in this study showed that alkali-activated slag concretes exhibited good durability against chloride permeability (UNE 83987) and good adherence behaviour of corrugated steel bars (pull-out test) comparable to Portland concretes.
Peer reviewed
Activación alcalina, Sostenibilidad, Durability, Alkali activation, Sustainability, Adherence, Hormigón, Concretes, Durabilidad, Adherencia
Activación alcalina, Sostenibilidad, Durability, Alkali activation, Sustainability, Adherence, Hormigón, Concretes, Durabilidad, Adherencia
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