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Informes de la Construccion
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Article . 1992 . Peer-reviewed
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Identification of high alumina cement in concrete by the use of the pachometer

Authors: Andrade Perdrix, Carmen; Seguí, V.; Hernández, E.; Lozano, J. L; Vicens, E.;

Identification of high alumina cement in concrete by the use of the pachometer

Abstract

[ES]La constatación de los daños que se producen en estructuras de hormigón de cemento aluminóse, debido a su rápida transformación y carbonatación, ha llevado a intentar poner a punto diversos métodos de detección acelerada in situ de la presencia del citado cemento. En el presente trabajo se aportan unos primeros resultados sobre el empleo de métodos magnéticos (pachómetro) habituales en la medida del espesor del recubrimiento de armaduras para identificar si un hormigón está fabricado o no con cemento aluminoso. Los resultados de laboratorio se han contrastado en obra pudiéndose comprobar que el pachómetro utilizado es capaz de detectar perfectamente la presencia de aluminoso previa calibración con un hormigón de portland puro. Esta investigación preliminar también ha permitido comprobar que los hormigones de cenizas volantes presentan, como el aluminoso, una menor reluctancia magnética.

[EN]The observation of the premature degradations detected in High Alumina concretes due to the transformation and carbonation of this kind of cement has prometed the interest to develop in-situ testing methods for the fast Identification of HAC presence. In present work, preliminary results are given on the use of magnetic methods (pachometer), usually employed in the concrete cover verification, to identify the existence of HAC in a concrete. The laboratory results have been verified in practice and show that HAC can be clearly distinguished of an OPC concrete with the pachometer used in present experimentation. The research has also indicated that fiy ash cements as aluminous one, have a lower magnetic reluctance.

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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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