Experimental Study of the Mechanical Behaviour of Bricks from 19th and 20th Century Buildings in the Province of Zamora (Spain)
Metadatos
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Ramos Gavilán, Ana Belén; Rodríguez Esteban, María Ascensión; Antón Iglesias, María Natividad; Sáez Pérez, María Paz; Camino Olea, María Soledad; Caballero Valdizán, JulenEditorial
MDPI
Materia
Compressive strength Historic bricks Restoration and rehabilitation
Fecha
2018-09-16Referencia bibliográfica
Ramos Gavilán, A.B. [et al.]. Experimental Study of the Mechanical Behaviour of Bricks from 19th and 20th Century Buildings in the Province of Zamora (Spain). Infrastructures 2018, 3, 38; doi:10.3390/infrastructures3030038.
Patrocinador
This research was funded by Fundación Memoria de Don Samuel Solorzano Barruso (Universidad de Salamanca) FS/18-2015.Resumen
Interventions in historic brick buildings require an exhaustive analysis of the current
characteristics of bricks in order to establish the role performed by these elements in the buildings.
This study presents the results of an experimental analysis of the compressive strength of brick
specimens extracted from different buildings built in the 19th and 20th centuries in the province of
Zamora (Spain). The study analyses specimens with very different characteristics to compare results
from different masonry units and manufacturing processes. Specimens are classified into four groups
according to their macroscopic and microscopic analyses. Compressive strength results are correlated
to the above classification and to the results of density, absorption and open porosity of the samples.
The compressive strength results present high variation between clay bricks (9.2–64.4 N/mm2) and
between samples extracted from the same brick due to the heterogeneity of the material. Correlations
between compressive strength and open porosity, absorption and dry density values are observed,
with less dispersion in the case of high sintering level, up to 1000 ºC. Finally, the compliance with the
current Spanish Technical Building Code with respect to their compressive strength is checked.