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DIGITAL.CSIC
Conference object . 2008 . Peer-reviewed
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Estudio calorimétrico del cemento Portland con puzolanas naturales españolas y yeso

Authors: Rahhal, V.; Donza, H.; Delgado, A.; Gutiérrez Jiménez, José Pedro; Talero Morales, Rafael;

Estudio calorimétrico del cemento Portland con puzolanas naturales españolas y yeso

Abstract

Este trabajo versa sobre los efectos que produce la incorporación de puzolanas naturales a dos cementos portland de muy diferente composición mineralógica, sin y con la incorporación de un exceso de yeso hasta una cantidad total equivalente a 7.0 % SO3. Las técnicas analíticas principales implementadas para su estudio han sido: la cantidad de agua para pasta de consistencia normal, el ensayo de hidraulicidad o de Frattini a 2 días, y la calorimetría de conducción. Los resultados obtenidos, han mostrado que estas puzolanas naturales provocan efectos contrarios (adelantos y retrasos) sobre la reología de los cementos resultantes, dependiente de la composición mineralógica de los respectivos clinkeres portland, y también, de la composición química reactiva de las puzolanas, y en especial, de su contenido de alúmina reactiva, Al2O3^r-.

Comunicación presentada en las II Jornadas de Investigación en Construcción: "60 años de Informes de la Construcción", celebradas los pasados 22, 23 y 24 de mayo de 2008 en el Instituto "Eduardo Torroja" de Ciencias de la Construcción (IETCC-CSIC) de Madrid.

A la Fundación Rotaria y a la Universidad Nacional del Centro de la Provincia de Buenos Aires por la financiación de las investigaciones, y también al Instituto de C.C. "Eduardo Torroja"-CSIC, por los materiales y algunas técnicas analíticas aportadas.

Peer reviewed

Country
Spain
Related Organizations
Keywords

Calorimetría, Cementos Pórtland, Puzolanas naturales, Yeso, Adiciones puzolánicas

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selected citations
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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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