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The building stone of the Roman city of Dougga (Tunisia): Provenance, petrophysical characterisation and durbility

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Zoghlami, Karima
Navarro Ezquerra, AntoniaMés informacióMés informacióMés informació
Rosell Amigó, Juan RamónMés informacióMés informacióMés informació
Martín Martín, Juan Diego
Gómez Gras, David ManuelMés informació
Parcerisa Duocastella, DavidMés informacióMés informacióMés informació
Document typeArticle
Defense date2017-09-21
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
Preservation of the architectural integrity of archaeological sites requires detailed information about the properties of the building materials and their decay processes. This study investigates the petrophysical properties of the Eocene nummulitic limestone rock used in the construction of the Roman City of Dougga (Tunisia) and its resistance to various factors of decay. The petrographical study is carried out using standard microscope techniques and the petrophysical behaviour by a combination of techniques focusing on hydric and mechanical properties. The pore network is studied by fluorescence microscopy and mercury intrusion porosimetry. Durability was assessed by ice crystallization and SO2 attack ageing tests. The results allowed the identification of four main building lithotypes and their exact stratigraphic point of mining in the ancient quarries. The petrographic variations between lithotypes correlate well with their physical properties. In addition, the four lithotypes show high resistance to ageing tests, confirming the excellent characteristics of the studied nummulitic limestones as a building rock.
CitationZoghlami, K., Navarro Ezquerra, A., Rosell, J., Martín-Martín, J., Gómez, D., Parcerisa, D. The building stone of the Roman city of Dougga (Tunisia): Provenance, petrophysical characterisation and durbility. "Comptes rendus géoscience", 21 Setembre 2017, vol. 349, núm. 8, p. 402-411. 
URIhttp://hdl.handle.net/2117/116541
DOI10.1016/j.crte.2017.09.017
ISSN1631-0713
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  • Departament de Tecnologia de l'Arquitectura - Articles de revista [507]
  • GREMS - Grup de Recerca en Mineria Sostenible - Articles de revista [111]
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