Nondestructive testing used on timber in spain: A literature review

Nondestructive testing (NDT) includes several highly efficient techniques for the estimation of the physical and mechanical properties of structural timber. Apart from visual grading, scientific research using Nondestructive testing on timber has been used in Spain since the 1990s. Nondestructive t...

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Main Authors: Daniel F. Llana, Guillermo Íñiguez-González, M. Rafael Díez, Francisco Arriaga
Format: Article
Language:English
Published: Universidad del Bío-Bío 2020-04-01
Series:Maderas: Ciencia y Tecnología
Subjects:
Online Access:https://revistas.ubiobio.cl/index.php/MCT/article/view/3929
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author Daniel F. Llana
Guillermo Íñiguez-González
M. Rafael Díez
Francisco Arriaga
author_facet Daniel F. Llana
Guillermo Íñiguez-González
M. Rafael Díez
Francisco Arriaga
author_sort Daniel F. Llana
collection DOAJ
description Nondestructive testing (NDT) includes several highly efficient techniques for the estimation of the physical and mechanical properties of structural timber. Apart from visual grading, scientific research using Nondestructive testing on timber has been used in Spain since the 1990s. Nondestructive testing can be used for two different purposes: timber grading and the assessment of existing timber structures. The most common devices used in Spain are portable ones based on ultrasound, stress waves, vibration and probing techniques. Many statistical linear models for estimating the mechanical properties of new sawn timber and timber from existing structures have been proposed. Furthermore, several factors that affect Nondestructive testing measurements have been studied (moisture content, temperature, specimen dimensions, sensors position-grain angle…) and adjustment factors have also been proposed. Species have been characterized for visual grading standards from the 1980s to date. The large number of research works using different species, devices and procedures shows the need of homogenization and standardization of Nondestructive testing use. This paper presents a review of research works using Nondestructive testing on timber in Spain, in order to add to knowledge, elucidate the concepts to unify Nondestructive testing used and promote research group collaboration in the near future.
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spelling doaj.art-9cd64f7bc0094aa99762646d7cce1c492024-01-15T18:26:05ZengUniversidad del Bío-BíoMaderas: Ciencia y Tecnología0717-36440718-221X2020-04-012223929Nondestructive testing used on timber in spain: A literature reviewDaniel F. LlanaGuillermo Íñiguez-GonzálezM. Rafael DíezFrancisco Arriaga Nondestructive testing (NDT) includes several highly efficient techniques for the estimation of the physical and mechanical properties of structural timber. Apart from visual grading, scientific research using Nondestructive testing on timber has been used in Spain since the 1990s. Nondestructive testing can be used for two different purposes: timber grading and the assessment of existing timber structures. The most common devices used in Spain are portable ones based on ultrasound, stress waves, vibration and probing techniques. Many statistical linear models for estimating the mechanical properties of new sawn timber and timber from existing structures have been proposed. Furthermore, several factors that affect Nondestructive testing measurements have been studied (moisture content, temperature, specimen dimensions, sensors position-grain angle…) and adjustment factors have also been proposed. Species have been characterized for visual grading standards from the 1980s to date. The large number of research works using different species, devices and procedures shows the need of homogenization and standardization of Nondestructive testing use. This paper presents a review of research works using Nondestructive testing on timber in Spain, in order to add to knowledge, elucidate the concepts to unify Nondestructive testing used and promote research group collaboration in the near future. https://revistas.ubiobio.cl/index.php/MCT/article/view/3929Acoustic techniquesprobing techniquesstress wavesultrasound wavesvibration techniques
spellingShingle Daniel F. Llana
Guillermo Íñiguez-González
M. Rafael Díez
Francisco Arriaga
Nondestructive testing used on timber in spain: A literature review
Maderas: Ciencia y Tecnología
Acoustic techniques
probing techniques
stress waves
ultrasound waves
vibration techniques
title Nondestructive testing used on timber in spain: A literature review
title_full Nondestructive testing used on timber in spain: A literature review
title_fullStr Nondestructive testing used on timber in spain: A literature review
title_full_unstemmed Nondestructive testing used on timber in spain: A literature review
title_short Nondestructive testing used on timber in spain: A literature review
title_sort nondestructive testing used on timber in spain a literature review
topic Acoustic techniques
probing techniques
stress waves
ultrasound waves
vibration techniques
url https://revistas.ubiobio.cl/index.php/MCT/article/view/3929
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