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23 results

The relationship between bending and tension strength of Irish and UK spruce and pine

Journal Article
Gil-Moreno, D., Ridley-Ellis, D., O'Ceallaigh, C., & Harte, A. M. (in press)
The relationship between bending and tension strength of Irish and UK spruce and pine. European Journal of Wood and Wood Products, https://doi.org/10.1007/s00107-022-01787-6
The correct characterisation of wood properties is fundamental for the best utilisation of resources. In Europe, grading is defined by strength classes that are determined bas...

Test Machine Effect in the determination of modulus of elasticity for strength-graded timber

Conference Proceeding
Gil-Moreno, D., Ridley-Ellis, D., & Harte, A. M. (2021)
Test Machine Effect in the determination of modulus of elasticity for strength-graded timber. In WCTE 2021: World Conference on Timber Engineering Proceedings
This paper investigates if the relationship between the global and local moduli of elasticity (MoE), measured in bending tests, is affected by the test machines employed, and ...

Estimating mechanical properties of clear wood from ten‐year‐old Melia azedarach trees using the stress wave method

Journal Article
Van Duong, D., & Ridley-Ellis, D. (2021)
Estimating mechanical properties of clear wood from ten‐year‐old Melia azedarach trees using the stress wave method. European Journal of Wood and Wood Products, 79(4), 941-949. https://doi.org/10.1007/s00107-021-01664-8
The objective of this study was to examine the potential of stress wave velocity (SWV) as a rapid and non-destructive method to estimate the mechanical properties of Melia aze...

A brief look at alternative species in the UK

Conference Proceeding
Adams, S. H., & Ridley-Ellis, D. J. (2021)
A brief look at alternative species in the UK. In Proceedings of the 16th Annual Meeting of the Northern European Network for Wood Science and Engineering – WSE2020 (68-70

A case study of timber demolition recycling in the UK

Conference Proceeding
Cramer, M., & Ridley-Ellis, D. (2021)
A case study of timber demolition recycling in the UK. In Proceedings of the 16th Annual Meeting of the Northern European Network for Wood Science and Engineering – WSE2020 (89-91

Analysis of a wooden specimen's mechanical properties through acoustic measurements in the very near field

Journal Article
Pantelić, F., Mijić, M., Šumarac Pavlović, D., Ridley-Ellis, D., & Dudeš, D. (2020)
Analysis of a wooden specimen's mechanical properties through acoustic measurements in the very near field. Journal of the Acoustical Society of America, 147(4), EL320-EL325. https://doi.org/10.1121/10.0001030
This paper presents the method for prediction of some basic mechanical parameters of a wood specimen by using simple instrumentation. The standard acoustic method for assessme...

The Mechanical and Resonance Assessment of Large Clear Samples of UK-Grown Beech Wood

Journal Article
Ridley-Ellis, D. (2019)
The Mechanical and Resonance Assessment of Large Clear Samples of UK-Grown Beech Wood. Pro Ligno, 15(4), 32-39
The paper presents the results of non-destructive longitudinal resonance (impulse excitation technique), and mechanical flexural testing, of a batch of European beech wood (Fa...

Grading of British spruce cladding battens by ring width for density, fastener performance and fire

Conference Proceeding
Ridley-Ellis, D. (2019)
Grading of British spruce cladding battens by ring width for density, fastener performance and fire. In Proceedings of the 15th Annual Meeting of the Northern European Network for Wood Science and Engineering
The UK has a British Standard for external timber cladding, BS8605-1, in which support battens are defined as timber components of a section, grade, and durability, suitable f...

Influence of knot area indexes on tension strength of Sitka spruce

Conference Proceeding
Gil-Moreno, D., Ridley-Ellis, D., & Harte, A. M. (2019)
Influence of knot area indexes on tension strength of Sitka spruce. In Proceedings of the 15th Annual Meeting of the Northern European Network for Wood Science and Engineering
It is well known that knots can reduce the strength of timber, and the selection of “critical section” for testing to EN 408 and EN 384 is typically based on the size and posi...

Quantification of chemical changes taking place in spruce wood structure following long period thermal treatment

Presentation / Conference
Popescu, C., Ridley-Ellis, D., & Popescu, M. (2019, August)
Quantification of chemical changes taking place in spruce wood structure following long period thermal treatment. Paper presented at 2DCOS-10, The 10th International Symposium on Two-dimensional Correlation Spectroscopy, Changchun, China
Wood is a natural composite polymer containing different amounts of cellulose, lignin and hemicelluloses and some other low molecular compounds (i.e. extractives). Due to its ...