Materiales de Construcción, Vol 68, No 329 (2018)

Defect characterization, diagnosis and repair of wood flooring based on a field survey


https://doi.org/10.3989/mc.2018.01817

A. Delgado
Instituto Superior Técnico (IST) - Universidade de Lisboa, Portugal
orcid http://orcid.org/0000-0002-0994-8979

C. Pereira
CERIS-ICIST, Dept. of Civil Engineering, Architecture and Georresources, Instituto Superior Técnico (IST) - Universidade de Lisboa, Portugal
orcid http://orcid.org/0000-0002-9535-1844

J. de Brito
CERIS-ICIST, Dept. of Civil Engineering, Architecture and Georresources, Instituto Superior Técnico (IST) - Universidade de Lisboa, Portugal
orcid http://orcid.org/0000-0001-6766-2736

J. D. Silvestre
CERIS-ICIST, Dept. of Civil Engineering, Architecture and Georresources, Instituto Superior Técnico (IST) - Universidade de Lisboa, Portugal
orcid http://orcid.org/0000-0002-3330-2000

Abstract


A statistical characterization of defects in 35 buildings and 98 wood floorings (softwood and hardwood floors, and laminated and engineered wood floors), their diagnostic methods and repair solutions is presented. An expert system for inspecting wood flooring, comprising the classification of defects, their most probable causes, diagnostic methods and repair techniques, was used. Results include age, affected area, severity and frequency of defects and their main causes, as well as appropriate diagnostic methods, preventive and curative repair solutions most prescribed and the most significant correlations. Scratches were detected in more than five sixths of the sample, highly associated with exterior mechanical actions, and with an inadequate finishing layer. Wearing of the finishing layer was detected in a quarter of the inspected floorings. Accordingly, the application of a suitable finishing layer and, alternatively, its replacement are the most prescribed repair techniques.

Keywords


Wood; Weathering; Decay; Durability; Characterization

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