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Infrastructures 2018, 3(3), 38; https://doi.org/10.3390/infrastructures3030038

Experimental Study of the Mechanical Behaviour of Bricks from 19th and 20th Century Buildings in the Province of Zamora (Spain)

1
Mechanical Engineering Department, University of Salamanca, 49022 Zamora, Spain
2
Construction and Agronomy Department, University of Salamanca, 49022 Zamora, Spain
3
Architectural Construction Department, University of Granada, 18071 Granada, Spain
4
Architectural Construction IT MMCC TE Department, University of Valladolid, 47014 Valladolid, Spain
*
Author to whom correspondence should be addressed.
Received: 31 July 2018 / Revised: 8 September 2018 / Accepted: 11 September 2018 / Published: 16 September 2018
(This article belongs to the Special Issue Selected Papers from the REHABEND 2018 Congress)
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Abstract

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 °C. Finally, the compliance with the current Spanish Technical Building Code with respect to their compressive strength is checked. View Full-Text
Keywords: compressive strength; historic bricks; restoration and rehabilitation compressive strength; historic bricks; restoration and rehabilitation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Ramos Gavilán, A.B.; Rodríguez Esteban, M.A.; Antón Iglesias, M.N.; Sáez Perez, M.P.; Camino Olea, M.S.; Caballero Valdizán, J. Experimental Study of the Mechanical Behaviour of Bricks from 19th and 20th Century Buildings in the Province of Zamora (Spain). Infrastructures 2018, 3, 38.

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