Uso de nanomateriales para la conservación de la piedra del Teatro Romano de Cartagena

  1. Navarro-Moreno, D. 1
  2. Martínez-Arredondo, A. 1
  3. García-Vera, V. E. 1
  4. Lanzón, M. 1
  1. 1 Universidad Politécnica de Cartagena
    info

    Universidad Politécnica de Cartagena

    Cartagena, España

    ROR https://ror.org/02k5kx966

Journal:
Loggia: Arquitectura y restauración

ISSN: 2444-1619,  1136-758X

Year of publication: 2023

Issue: 36

Pages: 106-119

Type: Article

DOI: 10.4995/LOGGIA.2023.19360 DIALNET GOOGLE SCHOLAR lock_openOpen access editor

More publications in: Loggia: Arquitectura y restauración

Abstract

The Roman Theatre of Cartagena is an important example of the monumental architecture of Hispania. Various types of local stone were used in its construction, including a type of sandstone known as Tabaire. This paper describes the physical characteristics of Tabaire. We also identify its deterioration patterns and study its consolidation using lime nanoparticles and silicon dioxide (ethyl silicate). Initial analyses using the imaging techniques Optical Microscopy (OM), Scanning Electron Microscopy (SEM) and X-Ray Tomography (CT) show that it is an extremely porous, soft stone. The effectiveness of the consolidating treatments was verified using non-destructive methods based on identifying dispersion and penetrability in the substrate (OM and SEM) and detecting colour variation (CIE-L*a*b*) or minimally destructive methods, such as the peeling test and Shore-D hardness, to determine their effect on the characteristics of the material.

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