NDT to identify biological damage in wood

Martinez Lopez, Roberto; Arriaga Martitegui, Francisco; Fernandez Llana, Daniel; Bobadilla Maldonado, Ignacio y Gallego, Javier (2015). NDT to identify biological damage in wood. En: "19th International Nondestructive Testing and Evaluation of Wood Symposium", 25 Sep 2015, Río de Janeiro. pp. 453-461.


Título: NDT to identify biological damage in wood
  • Martinez Lopez, Roberto
  • Arriaga Martitegui, Francisco
  • Fernandez Llana, Daniel
  • Bobadilla Maldonado, Ignacio
  • Gallego, Javier
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: 19th International Nondestructive Testing and Evaluation of Wood Symposium
Fechas del Evento: 25 Sep 2015
Lugar del Evento: Río de Janeiro
Título del Libro: General Technical Report FPL-GTR-239 ?
Fecha: 25 Septiembre 2015
Escuela: E.T.S.I. Montes (UPM) [antigua denominación]
Departamento: Ingeniería y Gestión Forestal y Ambiental
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Nondestructive techniques are widely used to assess existing timber structures. The models proposed for these methods are usually performed in the laboratory using small clear wood specimens. But in real situations many anomalies, defects and biological damage are found in wood. In these cases the existing models only indicate that the values are outside normality without providing any other information. To solve this problem, a study of non-destructive probing methods for wood was performed, testing the behaviour of four different techniques (penetration resistance, pullout resistance, drill resistance and chip drill extraction) on wood samples with different biological damage, simulating an in-situ test. The wood samples were obtained from existing Spanish timber structures with biotic damage caused by borer insects, termites, brown rot and white rot. The study concludes that all of the methods offer more or less detailed information about the degree of deterioration of wood, but that the first two methods (penetration and pullout resistance) cannot distinguish between pathologies. On the other hand, drill resistance and chip drill extraction make it possible to differentiate pathologies and even to identify species or damage location. Finally, the techniques used were compared to characterize their advantages and disadvantages.

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ID de Registro: 38398
Identificador DC: http://oa.upm.es/38398/
Identificador OAI: oai:oa.upm.es:38398
Depositado por: Memoria Investigacion
Depositado el: 24 Nov 2015 12:14
Ultima Modificación: 06 Jun 2016 12:52
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