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Las calizas microcristalinas como material de construcción: el caso del Gris Pulpis

Authors: García del Cura, María Ángeles; Benavente García, David; Bernabéu Gonzálvez, Ana; Fort González, Rafael; La Iglesia Fernández, Ángel; Ordóñez Delgado, Salvador;

Las calizas microcristalinas como material de construcción: el caso del Gris Pulpis

Abstract

[EN] Gris Pulpis is a Jurassic microcrystalline limestone found in the Maestrazgo Area of the Iberian Mountain Range (province of Castellón, Spain). This paper reports the results of a detailed study of the mineralogical, pelrographic and chromatic characteristics, as well as the durability, of this stone, classified as a commercial marble for its polish ability. The study determined the relationship between the structural characteristics of the stone, with a proliferation of stylolites and veins, and its physical properties. Its flexura I strength was found to be greater than would normally be expected in a structure with such a dense web of stylolites and veins. This is due to the structural and mineralogical properties of these stylolites, characterised by an extremely wavy design, scant mineral infillings and, occasionally, subsequent cementation. The characteristics of the porous media of homogeneous microcrystalline limestones such as Gris Pulpis largely explain the durability of this stone when exposed to freeze-thaw cycles and salt crystallisation. These arc the properties that make Gris Pulpis limestone, quarried in the Spanish Region of Valencia, a valuable building material for both architectural and civil engineering applications.

[ES] En este trabajo se analizan las propiedades físicas y la durabilidad de una caliza microcristalina.El Gris Pulpis es una caliza microcristalina del Jurásico de la Cordillera Ibérica (Maestrazgo), cuyas características mineralógicas, petrográficas, cromáticas y alterabilidad se determinan detalladamente. Su aptitud para el pulido hace que sea un mármol comercial. Se establece la influencia de sus características estructurales (estilolitos, vénulas...) en sus propiedades físicas. Su resistencia a flexión supera los valores que cabría esperar en función de la estructura de esta roca que, a veces, presenta abundantes estilolitos y vénulas. Esto es debido a las características estructurales y mineralógicas de dichos estilolitos: trazado muy sinuoso y escasez de relleno mineral y, ocasionalmente, posterior cementación. Las características del sistema poroso de las calizas microcristalinas homogéneas, tipo Gris Pulpis, condicionan su baja alterabilidad, tanto frente a la acción del hielo/deshielo, como a la de cristalización de sales. Como consecuencia de estas propiedades el Gris Pulpis es una roca de construcción de la Comunidad Valenciana (España) de interés para el Patrimonio Arquitectónico y las Obras Públicas.

Este trabajo ha sido subvencionado por la Generalitat Valenciana (Proyecto CTIDIB/2002/159 y Grupo de Investigación 03/158) y el Ministerio de Fomento (Proyecto: "Evaluación de la durabilidad de la Piedra Natural utilizada en pavimentos de exteriores").

20 páginas, 10 figuras, 5 tablas.

Peer reviewed

Country
Spain
Related Organizations
Keywords

Physical properties, Petrography, Microestructura, Petrografía, Limestone, Propiedades físicas, Ornamental rocks, Durability, Caliza durabilidad, Microstructure, Caliza, Durabilidad, Rocas ornamentales, Petrología y Geoquímica

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selected citations
These citations are derived from selected sources.
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).
BIP!Citations provided by BIP!
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.
BIP!Impulse provided by BIP!
0
Average
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