BUILDING HERITAGE IN THE ALTO DOURO WINE REGION, PORTUGAL – TABIQUE WALL NAILS CHARACTERIZATION

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Architecture, Civil Engineering, Environment

Silesian University of Technology

Subject: Architecture , Civil Engineering , Engineering, Environmental

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ISSN: 1899-0142

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VOLUME 9 , ISSUE 1 (March 2016) > List of articles

BUILDING HERITAGE IN THE ALTO DOURO WINE REGION, PORTUGAL – TABIQUE WALL NAILS CHARACTERIZATION

Rui Cardoso * / Jorge Pinto * / João Carlos Lanzinha *

Keywords :  Building heritage, Nail rusting, Tabique, Timber connection, Vernacular constructions

Citation Information : Architecture, Civil Engineering, Environment. Volume 9, Issue 1, Pages 59-70, DOI: https://doi.org/10.21307/acee-2016-007

License : (BY-NC-ND 4.0)

Published Online: 09-August-2018

ARTICLE

ABSTRACT

The Alto Douro Wine Region, a region located in the northeast of Portugal, presents an abundant building heritage which consists of tabique constructions, a vernacular construction technology. This technology uses raw materials such as stone, an earth-based material and wood, besides metal nail sensure the timber connections and the required structural safety. Previous research works have shown that most of the existing tabique buildings, in this region, present signs of marked deterioration and some of them are clearly near collapse. This reality is justified, among others, by the non-engineered character of this construction technology and subsequent loss through time of the associated empirical technical knowledge, consequently, conservation and repairing works are urgently needed. These aspects, added to the dearth of knowledge related to this building heritage have motivated this research work which is focused on studying the nails traditionally applied in those tabique buildings. In this article, and for the first time, a nail geometrical and material characterization is presented and discussed. The results highlight a wide nail dimensional variety, being iron the main chemical element identified. Beyond that, this study demonstrates that those nails should no longer be maintained in service and that new nails should
be applied in future conservation and strengthening works. Finally, some guidelines regarding tabique rehabilitation and nail rusting prevention are mentioned.

 

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REFERENCES

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