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134 results

Wood properties & strength grading

Presentation / Conference
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 flags...

Correction of Evanescent Wave Influence on the Flexural Wave Velocity and Wavelength Estimation Based on a Mode Shape Function

Journal Article
Pantelić, F., Šumarac Pavlović, D., Mijić, M., & Ridley-Ellis, D. (2022)
Correction of Evanescent Wave Influence on the Flexural Wave Velocity and Wavelength Estimation Based on a Mode Shape Function. Archives of Acoustics, 47(4), 539-546. https://doi.org/10.24425/aoa.2022.142017
The aim of this research is to use a simple acoustic method of a very near field recording, which enables measurement and display of oscillation modes, to estimate the velocit...

Strength Grading of Timber in the UK and Ireland in 2021

Journal Article
Ridley-Ellis, D., Gil-Moreno, D., & Harte, A. M. (2022)
Strength Grading of Timber in the UK and Ireland in 2021. International Wood Products Journal, 13(2), 127-136. https://doi.org/10.1080/20426445.2022.2050549
This paper summarises the state of the art for strength grading of construction timber grown in the United Kingdom and the Republic of Ireland. It includes the latest approval...

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. (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 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 ...

Perception and use of timber in construction: A case study of Ireland and the UK

Conference Proceeding
O'Ceallaigh, C., Gil-Moreno, D., Ridley-Ellis, D., & Harte, A. M. (2021)
Perception and use of timber in construction: A case study of Ireland and the UK. In WCTE 2021: World Conference on Timber Engineering Proceedings
A survey was carried out to examine the perception of timber in construction among industry stakeholders within northwest Europe. The survey received responses from 17 countri...

RIAS practice note SC216 - Grade in Britain: enabling a wider range of home-grown species

Other
Ridley-Ellis, D. (2021)
RIAS practice note SC216 - Grade in Britain: enabling a wider range of home-grown species

Grade in Britain: enabling a wider range of home grown species

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

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

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21 results

SIRT 2020-2021 (WP1&2)

2020 - 2021
Our research activities are focused on understanding the physical and mechanical properties of wood and how these affect its performance in different applications. Our main aim is to better understand...
Funder: Scottish Forestry | Value: £165,472

SIRT 2019-20 (WP1&2)

2019 - 2020
Our research activities are focused on understanding the physical and mechanical properties of wood and how these affect its performance in different applications. Our main aim is to better understand...
Funder: Scottish Forestry | Value: £96,000

InFutUReWood

2019 - 2022
Timber and construction research
Funder: European Commission | Value: £122,942

SIRT 2018-19 (WP1&2)

2018 - 2019
Our research activities are focused on understanding the physical and mechanical properties of wood and how these affect its performance in different applications. Our main aim is to better understand...
Funder: Scottish Forestry | Value: £99,000

SIRT WP2 2017-18

2017 - 2018
Timber grading standards support ensuring standards are good for the domestic timber industries, and supporting industry in using them
Funder: Scottish Forestry | Value: £42,500

SIRT WP1 2017-18

2017 - 2018
Applied research and knowledge transfer addressing industry needs – as set out by the SIRT management board. This includes providing information and advice to industry sponsors
Funder: Scottish Forestry | Value: £107,500

Extractives database support

2017 - 2018
Maintenance and hosting of website database developed in previous project
Funder: Scottish Forestry | Value: £3,000

Appearance grading Scots pine timber for joinery

2016 - 2017
This one year project will undertake a literature review and physical testing of Scots pine logs and boards. The aim of the project is to develop a predictive model of the knot characteristics of boar...
Funder: The Research Funding Council of Norway | Value: £28,000

Mobility grant with Ukrainian National Forestry University

2016 - 2017
British Council "Mobility Grant for Leadership Development Project". Funds visit by 6 persons from Ukraine to Edinburgh to seek potential collaborations in education and work based learning.
Funder: British Council | Value: £7,200

The Extractive Components of UK Hardwood

2016 - 2017
Use the ITED system to search literature based observations about the chemical extractive components of both broadleaf and conifer tree species commonly grown in the UK. Chemically, wood structure ma...
Funder: Scottish Forestry | Value: £28,492

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4 results

University academic to insist "no such thing as a tree" (to foresters)

13 March 2019
Dan Ridley-Ellis, the Head of the Centre for Wood Science and Technology, will be giving the Royal Forestry Society's Lawrence Pilling Memorial Lecture at the Worcestershire Federation of Young Farmer...

Edinburgh Napier University playing key role for structural timber throughout Europe

8 March 2019
On the 19th and 20th of March, Dan Ridley-Ellis, head of the Centre for Wood Science and Technology, will chair his first meeting as convenor of a key timber standards committee. This CEN task group ...

Edinburgh Napier University plays vital role for production of structural timber throughout Europe

7 December 2018
Dan Ridley-Elis, head of the Centre for Wood Science an Technology at Edinburgh Napier University has been made convenor of the European Standards expert group that supports the production of graded t...

Associate Professor on judging panel for national structural timber awards

18 January 2018
Head of the Centre for Wood Science and Technology, Dan Ridley-Ellis, is on the judging panel for the 2018 Structural Timber Awards. These awards - covering several categories including social housin...