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Clasificación visual de madera estructural del pino laricio (Pinus nigra Arn.)

Authors: Díez Barra, Rafael; Conde-García, María; Fernández-Golfín, Juan I.; Rosskopf, S.;

Clasificación visual de madera estructural del pino laricio (Pinus nigra Arn.)

Abstract

[ES] Sobre una muestra de 776 tablones de Pinus nigra Arn. de dimensiones 150 × 50 × 3.000 mm, procedentes todos ellos de árboles cortados en Jaén (España), se efectúa una comparación de resultados empleando dos normas de clasificación visual de la madera aserrada con destino estructural, la norma alemana DIN 4074, habitualmente empleada en el seno de Europa y la norma española, de muy reciente introducción, la UNE 56.544.Clasificado el mismo lote de madera por ambas normas, se determinan los rendimientos clasificatorios y las características físico-mecánicas de la madera agrupada en cada clase de calidad. La determinación de las propiedades físico-mecánicas de la madera (densidad, Resistencia a la flexión y Módulo de elasticidad) se efectúa haciendo uso de la metodología contenida en la norma europea EN 408, calculando los valores de resistencia según la norma EN 384 y asignando las clases de resistencia según lo establecido en la norma EN 338. Los resultados habidos reflejan que el uso de la norma española lleva a resultados similares a los de la norma alemana, tanto en rendimientos como en resistencia, motivo por lo cual se considera que la susodicha norma española sigue unos criterios aceptados y muy arraigados en el mercado.

Peer reviewed

6 Pág.

Keywords

Clasificación visual, Normas UNE 56544, Pinus nigra Arn., Madera estructural, Norma DIN 4074, Laricio

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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