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Outputs (57)

The Presidents of the Institute of Wood Science (2024)
Journal Article
True, A., Ridley-Ellis, D., Spear, M., & Ansell, M. P. (in press). The Presidents of the Institute of Wood Science. International Wood Products Journal, https://doi.org/10.1177/20426445241246844

The Institute of Wood Science (IWSc) represented the interests and knowledge of wood scientists and wood technologists in the UK and beyond between 1955 and 2009 when it merged with the Institute of Materials, Minerals and Mining (IOM3). In that time... Read More about The Presidents of the Institute of Wood Science.

BM TRADA Webinar Part 2: Machine Strength Grading (2024)
Presentation / Conference Contribution
Ridley-Ellis, D. (2024, April). BM TRADA Webinar Part 2: Machine Strength Grading. Presented at BM TRADA Technical Timber Webinars 2024, Online

Strength grading of solid timber – overcoming some common misconceptions.

Slides covering machine strength grading, stamps, and EN1912 revision

Wood properties and uses of larch in Great Britain (2024)
Report
McLean, P., Ridley-Ellis, D., Price, A., & Macdonald, E. (2024). Wood properties and uses of larch in Great Britain. Surrey: Forest Research

This report collates and synthesises research into the production and use of larch timber in Great Britain, drawing on information from a range of published and unpublished studies. It is written for forest scientists, engineers, wood processors and... Read More about Wood properties and uses of larch in Great Britain.

Models to predict the radial variation of stiffness, strength, and density in planted noble fir, Norway spruce, western hemlock, and western red cedar in Great Britain (2023)
Journal Article
Gil-Moreno, D., MClean, J. P., & Ridley-Ellis, D. (2023). Models to predict the radial variation of stiffness, strength, and density in planted noble fir, Norway spruce, western hemlock, and western red cedar in Great Britain. Annals of Forest Science, 80, Article 48. https://doi.org/10.1186/s13595-023-01214-7

Key message: This study compares the measured radial variation in wood stiffness, strength, and density of noble fir, Norway spruce, western hemlock, and western red cedar by developing mixed-effects models for each property using age as the explanat... Read More about Models to predict the radial variation of stiffness, strength, and density in planted noble fir, Norway spruce, western hemlock, and western red cedar in Great Britain.

A horizon scan of issues affecting UK forest management within 50 years (2023)
Journal Article
Tew, E. R., Ambrose-Oji, B., Beatty, M., Büntgen, U., Butterworth, H., Clover, G., Cook, D., Dauksta, D., Day, W., Deakin, J., Field, A., Gardiner, B., Harrop, P., Healey, J. R., Heaton, R., Hemery, G., Hill, L., Hughes, O., Khaira-Creswell, P. K., Kirby, K., …Sutherland, W. J. (2024). A horizon scan of issues affecting UK forest management within 50 years. Forestry, 97(3), Article cpad047. https://doi.org/10.1093/forestry/cpad047

Forests are in the spotlight: they are expected to play a pivotal role in our response to society’s greatest challenges, such as the climate and biodiversity crises. Yet, the forests themselves, and the sector that manages them, face a range of inter... Read More about A horizon scan of issues affecting UK forest management within 50 years.

Wood properties and strength grading (2023)
Presentation / Conference Contribution
Ridley-Ellis, D. (2023, February). Wood properties and strength grading. Presented at ICF South Scotland CPD event

Slides from a CPD event organised for the Chartered Institute of Foresters South Scotland Regional Group - providing an opportunity for tree professionals to learn more about timber strength grading, and the influence silviculture has on wood propert... Read More about Wood properties and strength grading.

Wood properties & strength grading (2022)
Presentation / Conference Contribution
Ridley-Ellis, D. (2022, December). Wood properties & strength grading. Presented at James Jones & Sons Architects' and Structural Engineers' Open Day, Lockerbie

James Jones & Sons held an open day for architects and structural engineers at its flagship sawmill site in Lockerbie.

"James Jones & Sons' new visitor building at its flagship sawmill site in Lockerbie has attracted considerable interest in the... Read More about Wood properties & strength grading.

Overview of the WoodProps Programme 2017-2020 Wood Properties for Ireland (2022)
Digital Artefact
Gil-Moreno, D., O’Ceallaigh, C., Ridley-Ellis, D., & Harte, A. (2022). Overview of the WoodProps Programme 2017-2020 Wood Properties for Ireland

Wood Properties for Ireland (WoodProps), funded by the Forest Sector Development Division of DAFM, is a joint Programme between the Timber Engineering Research Group (TERG) at NUI Galway (NUIG) and the Centre for Wood Science and Technology at Edinbu... Read More about Overview of the WoodProps Programme 2017-2020 Wood Properties for Ireland.

Wood Information Sheet WIS 2/3-67 Specifying British-grown timbers (2022)
Other
Ridley-Ellis, D. (2022). Wood Information Sheet WIS 2/3-67 Specifying British-grown timbers. [pdf]

The purpose of this Wood Information Sheet (WIS) is to summarise the characteristics, and the current and potential uses, of timber grown in the UK (England, Scotland, Wales and Northern Ireland), which we also refer to in this WIS as ‘British-grown... Read More about Wood Information Sheet WIS 2/3-67 Specifying British-grown timbers.

The relationship between bending and tension strength of Irish and UK spruce and pine (2022)
Journal Article
Gil-Moreno, D., Ridley-Ellis, D., O'Ceallaigh, C., & Harte, A. M. (2022). The relationship between bending and tension strength of Irish and UK spruce and pine. European Journal of Wood and Wood Products, 80, 585-596. 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 based on either bending or tension tests. The European standards give equation... Read More about The relationship between bending and tension strength of Irish and UK spruce and pine.

Alternative UK timber species (2021)
Book Chapter
Adams, S., & Ridley-Ellis, D. (2021). Alternative UK timber species. In Timber 2021 Industry Yearbook (104-111). High Wycombe: TRADA

Steven Adams and Dan Ridley-Ellis discuss the findings of a recent research project into the properties and potential uses of lesser-used species in the UK.

Grade in Britain: enabling a wider range of home grown species (2021)
Book Chapter
Ridley-Ellis, D. (2021). Grade in Britain: enabling a wider range of home grown species. In Timber 2020 Industry Yearbook (132-137). High Wycombe: TRADA

Dan Ridley-Ellis summarises the different home-grown species currently available, and looks to the future of strength grading for an increasingly wide range of species.

Estimating mechanical properties of clear wood from ten‐year‐old Melia azedarach trees using the stress wave method (2021)
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 azedarach wood. The SWV, dynamic modulus of elasticity (MOE d), modulus of ela... Read More about Estimating mechanical properties of clear wood from ten‐year‐old Melia azedarach trees using the stress wave method.

A Shed Resource: A look at Wood Recycling in the UK (2020)
Presentation / Conference Contribution
Cramer, M., & Ridley-Ellis, D. (2020, September). A Shed Resource: A look at Wood Recycling in the UK. Paper presented at Timber 2020, Online

The secondary timber value chain was explored by interviewing companies involved in wood recycling. The interviewees include community wood recyclers, chip producers and board-making companies. This paper is a perspective of the wood recycling indust... Read More about A Shed Resource: A look at Wood Recycling in the UK.

Analysis of a wooden specimen's mechanical properties through acoustic measurements in the very near field (2020)
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 assessment of modulus of elasticity using the impulse excitation is extended by usi... Read More about Analysis of a wooden specimen's mechanical properties through acoustic measurements in the very near field.

The Mechanical and Resonance Assessment of Large Clear Samples of UK-Grown Beech Wood (2019)
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 (Fagus sylvatica L.), grown in the United Kingdom. The material was largely fr... Read More about The Mechanical and Resonance Assessment of Large Clear Samples of UK-Grown Beech Wood.

Timber grading potential of Douglas fir in the Republic of Ireland and the UK (2019)
Journal Article
Gil-Moreno, D., Ridley-Ellis, D., & Harte, A. (2019). Timber grading potential of Douglas fir in the Republic of Ireland and the UK. International Wood Products Journal, 10(2), 64-69. https://doi.org/10.1080/20426445.2019.1617984

Results of the recently approved machine control grading settings for Douglas fir in the Republic of Ireland and the UK have shown that the species can be graded to C18, and higher strength classes, and while there is a relatively high proportion of... Read More about Timber grading potential of Douglas fir in the Republic of Ireland and the UK.

Lesser-used UK-grown timber (2019)
Book Chapter
Ridley-Ellis, D. (2019). Lesser-used UK-grown timber. In TRADA Timber Industry Yearbook 2019 (200-205)

Daniel Ridley-Ellis looks at the grading properties of different species in comparison with the highly commercial Sitka spruce.