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dc.contributor.authorHenriques, M. D.pt_BR
dc.contributor.authorRibeiro Nunes, L. M.pt_BR
dc.contributor.authorSaporiti Machado, J.pt_BR
dc.contributor.authorBrito, J.pt_BR
dc.contributor.editorVasco Peixoto de Freitas et alpt_BR
dc.identifier.citationHenriques, Dulce Franco; Nunes, Lina; Machado, José Saporiti; Brito, Jorge (2001): Timber in buildings: estimation of some properties using Pilodyn and Resistograph: XII International Conference on Durability of Buildings Materials and Components, 12-15 April, 7 ppt_BR
dc.description.abstractAt the conservation and/or rehabilitation stage of a building the condition state of the timber structural elements strongly limits the actions to be adopted. A non-destructive survey of their state is therefore a frequent need. Due to their handling facility and the direct results obtained two inspection and diagnosis less-destructive or non-destructive tests (NDT) [Machado & Cruz, 1997] gain relevance in the in situ characterization of timber properties: the Pilodyn® and the Resistograph® methods. This paper presents the experimental procedures and the results obtained to find a possible correlation between the results obtained with these test readings and some properties of timber. The results were correlated with the density and the compression strength of two different species of pine timber with different ages, frequently used in buildings in the Lisbon area in the two last centuries. Thus, the following test campaigns were performed in Pinus sylvestris samples with approximately 80 and 150 years and recent Pinus pinaster samples: i- density; ii - compressive strength; iii - Pilodyn® and Resistograph ® readings. Though further work is envisaged, a correlation was found between the timber properties and the values obtained with the non-destructive equipments used.pt_BR
dc.description.sponsorshipThe authors would like to thank Fundação para a Ciência e Tecnologia (FCT) for the PhD scholarship awarded to Dulce Henriques (ref. SFRH/BD/44216/2008) and the project “Safety evaluation of timber structures through non-destructive methods and stochastic analysis” under contract PTDC/ECM/66527 / 2006. The collaboration of the ICIST - IST research centre is also acknowledged.pt_BR
dc.publisherGreca - Artes Gráficaspt_BR
dc.subjectPine timberpt_BR
dc.subjectCompression strengthpt_BR
dc.titleTimber in buildings: estimation of some properties using Pilodyn and Resistographpt_BR
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