30 results

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...

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...

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...

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 ...

Timber grading potential of Douglas fir in the Republic of Ireland and the UK

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 h...

Lesser-used UK-grown timber

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.

Grading of British Timber

Journal Article
Ridley-Ellis, D. (2018)
Grading of British Timber. The Full Circle: The Journal of the Association of Scottish Hardwood Sawmillers, 34-36
A summary of grading of home grown timber for the magazine of the Association of Scottish Hardwood Sawmillers (ASHS).

Some thresholds for grading British grown spruce to optimised strength classes using longitudinal resonance

Conference Proceeding
Ridley-Ellis, D., Adams, S., & Lehneke, S. (2018)
Some thresholds for grading British grown spruce to optimised strength classes using longitudinal resonance
The main commercial species in the UK and Ireland is Sitka spruce (Picea sitchensis), which is graded in combination with a small amount of Norway spruce (P. abies). It is typ...

Strength grading of timber in the UK in 2018

Presentation / Conference
Ridley-Ellis, D. (2018, June)
Strength grading of timber in the UK in 2018. Paper presented at Timber 2018 (By the Wood Technology Society of IOM3), London
This paper summarises the state-of-the-art of strength grading of UK-grown timber. It lists the following information along with the primary references: visual grading grades ...

Strength grading of timber in the UK in 2018

Presentation / Conference
Ridley-Ellis, D. (2018, June)
Strength grading of timber in the UK in 2018. Presented at Timber 2018
This paper summarises the state-of-the-art of strength grading of UK-grown timber. It lists the following information along with the primary references: visual grading grades ...
13 results

An easier route for strength grading UK hardwoods

2023 - 2026
The project aims to improve grading options for home-grown hardwoods, with a more cost-effective route to establishing grading and easier to apply visual grading rules for producers. Properties of thr...
Funder: Scottish Forestry Trust | Value: £35,000

SIRT 2021-2022 (WP1&2)

2021 - 2022
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: £165,522

Monitoring expansion rate of timber for Jacket Pile Gripper Application

2021 - 2022
Monitoring expansion rate of timber for Jacket Pile Gripper Application
Funder: Scottish Funding Council | Value: £5,000

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

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

Extractive components of Scottish roundwood

2015 - 2015
To investigate the extractives that are available in Sitka sprice, Scots pine and hybrid larch. To understand how the extractives vary between crop parts e.g. heartwood, bark, stumps, brash and thinni...
Funder: Scottish Forestry | Value: £15,623

Innovative Glulam timber composites

2015 - 2022
To investigate the timber and glulam thermal and moisture impacts to the composite effects, to study the different possibilities of combining the timber and bamboo materials and propose innovative way...
Funder: ENU Development Trust | Value: £30,000