Visual grading of large cross section structural timber of Pinus sylvestris L. according to UNE 56544:2007 standard

Montero García-Andrade, María José; Mateo Campos, Raquel; Iñiguez Gonzalez, Guillermo; Arriaga Martitegui, Francisco; Hermoso Prieto, Eva y Esteban Herrero, Miguel (2011). Visual grading of large cross section structural timber of Pinus sylvestris L. according to UNE 56544:2007 standard. En: "SHATIS'11 International Conference on Structural Health Assessment of Timber Structures", 16/06/2011 - 17/06/2011, Lisboa, Portugal. pp. 1-6.

Descripción

Título: Visual grading of large cross section structural timber of Pinus sylvestris L. according to UNE 56544:2007 standard
Autor/es:
  • Montero García-Andrade, María José
  • Mateo Campos, Raquel
  • Iñiguez Gonzalez, Guillermo
  • Arriaga Martitegui, Francisco
  • Hermoso Prieto, Eva
  • Esteban Herrero, Miguel
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: SHATIS'11 International Conference on Structural Health Assessment of Timber Structures
Fechas del Evento: 16/06/2011 - 17/06/2011
Lugar del Evento: Lisboa, Portugal
Título del Libro: Proceedings of SHATIS'11 International Conference on Structural Health Assessment of Timber Structures
Fecha: 2011
Materias:
Escuela: E.T.S.I. Montes (UPM) [antigua denominación]
Departamento: Construcción y Vías Rurales [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Large cross section structural timber have been used in many structures over long periods of time and still make up an important part of the market due to its mechanical properties. Furthermore, it is frequent its employment in new construction site. It involves the need for a visual grading standard for timber used in construction according to the quality assessment. The material has to satisfy the requirements according to the currently regulations. UNE 56544 is the Spanish visual grading standard for coniferous structural timber. The 2007 version defined a new visual grade in the standard for large section termed Structural Large Timber (MEG). This research checks the new visual grading and consists of 116 structural size specimens of sawn coniferous timber of Scotch pine (Pinus sylvestris L.) from Segovia, Spain. The pieces had a cross section of 150 by 200 mm. They were visually graded according to UNE 56544:2007. Also, mechanical properties have been obtained according to standard EN 408. The results show very low output with an excessive percentage of rejected pieces (33%). The main reasons for the rejection of pieces are fissures and twist

Más información

ID de Registro: 12457
Identificador DC: http://oa.upm.es/12457/
Identificador OAI: oai:oa.upm.es:12457
URL Oficial: http://shatis11.lnec.pt/
Depositado por: Memoria Investigacion
Depositado el: 09 Ago 2012 09:33
Ultima Modificación: 21 Abr 2016 11:42
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