Memorias Conpat 2019 2019
DOI: 10.21041/conpat2019/v3rec385cmp
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Incidencia Del Árido Reciclado Sobre La Durabilidad Del Hormigón Armado Frente a La Corrosión

Abstract: El árido reciclado procedente de hormigón de desecho triturado es apto para elaborar hormigón estructural. Permite consumir menos recursos no renovables y generalmente también menos energía. Pero es más poroso que la mayoría de las rocas naturales. La porosidad del hormigón de recubrimiento define la resistencia frente a la corrosión de las armaduras, y entonces se puede dudar acerca de cómo el empleo del árido reciclado afecta a la durabilidad del hormigón armado. En este artículo se describe el desempeño fre… Show more

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Cited by 1 publication
(2 citation statements)
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“…The use of SCMs in RAC amplifies the sustainability and durability of the material thanks to the pozzolanic action. However, this pozzolanic action also consumes portlandite, and with higher SCM contents and low clinker contents, the carbonation rate can increase and also lead to decalcification of the C-S-H [ 19 ]. The integrity of C-S-H is associated with a sufficient alkaline reserve.…”
Section: Combined Action With Supplementary Cementitious Materials (Scm)mentioning
confidence: 99%
See 1 more Smart Citation
“…The use of SCMs in RAC amplifies the sustainability and durability of the material thanks to the pozzolanic action. However, this pozzolanic action also consumes portlandite, and with higher SCM contents and low clinker contents, the carbonation rate can increase and also lead to decalcification of the C-S-H [ 19 ]. The integrity of C-S-H is associated with a sufficient alkaline reserve.…”
Section: Combined Action With Supplementary Cementitious Materials (Scm)mentioning
confidence: 99%
“…Such properties can be used to infer a similar trend for the carbonation rate. For instance, the capillary absorption coefficient is an index considered by durability guidelines, including for the use of RA [4,19]. It was determined in [20] that, at higher RCA contents, siliceous gravel and quartzite aggregates affected water penetration in the RAC to a lesser extent, despite being more porous aggregates than granite and basalt.…”
Section: Origin Of Rcamentioning
confidence: 99%