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Los ultrasonidos y la calidad de la madera estructural : aplicación a Pinus pinaster Ait.

Authors: Acuña, L.; Díez Barra, M. R.; Casado, M.;

Los ultrasonidos y la calidad de la madera estructural : aplicación a Pinus pinaster Ait.

Abstract

Los resultados de este trabajo muestran que el valor de la medida de la velocidad de propagación de los ultrasonidos se ve modificada por la distancia de medida y por el ángulo que forma la dirección de medida con la inclinación de las fibras, debiendo ser corregida cuando se trabaja con piezas de madera de tamaño estructural. Asimismo, se observa una buena relación entre las características determinadas por la técnica ultrasónica y los ensayos de flexión estática y rotura, e indica que esta técnica no destructiva se puede utilizar con garantías en P. pinaster para llevar a cabo una clasificación resistente de la madera, aportando un rendimiento mayor que con la clasificación visual, UNE 56.544.____________________________________The results of this work show that the value of velocity measurement of ultrasounds wave is modified by the distance of transducers and by the angle formed by the direction of measurement with the grain angle, having to be corrected when works with wood pieces of structural size. Also, a good relation between the characteristics determined by the ultrasonic technique and the tests of static flexion is observed, showing that this nondestructive technique can be used with guarantees in P. pinaster to carry out a resistant classification of wood, obtaining a greater yield than the visual grading, UNE 56.544.

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selected citations
These citations are derived from selected sources.
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).
BIP!Citations provided by BIP!
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.
BIP!Impulse provided by BIP!
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