Nondestructive Evaluation of Wood
Lecturer: Dr. Bejó László
Covered topics:
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Introduction: abount Wood NDT in general
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Tree evaluation: pulling test, dynamic stability testing. acoustic and impedance tomography, resistograph
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Testing wood using longitudinal and transverse vibrations: theory and practice
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Nondestructive strength grading
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Measuring density and moisture content by electromagnetic ratiation
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Methods of instrumented structural evaluation
Suggested reading:
- FPL's Nondestructive Evaluation of Wood (R.J.Ross ed.)
- Tree stability testing:
Trees and Statics: a Nondestructive Failure analysis by Brudi and Wassenaer
Dynamic Root Stability Assessment — Basics and Practical Examples (pp. 270-277) by Bejo, Divos and Fathi - Tree condition assessment:
Methods for Nondestructive Testing of Urban Trees by Allison, Wang and Senalik
(see also the relevant chapters in NDE of Wood.) - Acoustics:
Course in NDT of wood at Madrid Politechnica (also applicable for tree condition assessment)
Acoustics of Wood by V. Bucur
(see also the relevant chapters in NDE of Wood.) - Other material testing methods:
Three dimensional fibre orientation models for wood based on laser scanning utilizing the tracheid effect by Olsson and Oscarsson
Electric moisture meters for wood by W.L. James (FPL-GTR 6)
Simultaneous Measurement of Density and Moisture Content Using Microwave Radar: Preliminary Results by Bejo et al. (pp. 71-78)
Near infrared laser reflection based wood moisture content determination by Divos, Bejo and Bradley (pp. 98-102)
On the use of X-ray computed tomography for determining wood properties: A review by Wei, Leblon and LaRocque
Video playlist on log scanning and its applications - NDT methods in Structures Testing
In situ assessment of structural timber using semi-destructive techniques by Tannert et al.
In-Situ assessment of structural timber: a State-of-the-Art report by B. Kazal Ed.
Assessment of Timber Structures Using the X-Ray Technology by Franke and Franke
In-situ assessment of density and material properties in timber structures by nondestructive and semi-destructive testing by T. Kruglova
(see also the relevant chapters in NDE of Wood.)