Senior Research Fellow
Ridley-Ellis, D. (2018, June). Strength grading of timber in the UK in 2018. Presented at Timber 2018, 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 ...
Ridley-Ellis, D. (2018, May). Equipping ourselves for future forests and timber. Presented at Institute of Chartered Foresters National Conference, Edinburgh
Presentation to the Institute of Chartered Foresters National Conference, "Innovation for change - New drivers for tomorrow’s forestry" Edinburgh 2-3 May 2013
Ridley-Ellis, D. (2017, November). Home grown timber now and in the future. Presented at WTS British Timber Seminar, London
Presentation to the wood technology society "British Timber Seminar" at IOM3, November 2017
Forestry Commission Scotland
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
Timber grading standards support ensuring standards are good for the domestic timber industries, and supporting industry in using them
Maintenance and hosting of website database developed in previous project
Ridley-Ellis, D. (2017, November). Home grown timber now and in the future. Presented at "British Timber Seminar" (Wood Technology Society), IOM3 London
Ridley-Ellis, D. (2017, November). Timber grading update. Presented at SIRT update seminar, Construction Scotland Innovation Centre
The latest news on timber grading standards and how they effect structural timber production in UK and IE
Ridley-Ellis, D. (2017, October). Assessing timber quality. Presented at 1st National Forestry and Aboriculture Student Conference, Moulton College, Moulton, Northamptonshire
Presentation about technology for assessing timber quality, at the Royal Forestry Society Future Foresters Technology Day (1st National Forestry and Aboriculture Student Confe...
Ridley-Ellis, D. (2017, May). Timber properties of minor conifer species in Britain and future marketing opportunities. Presented at The National Forestry Conference for Ireland "an appraisal of the silvicultural and marketing potential of coniferous alternatives to Sitka spruce", Johnstown House Hotel, Enfield, Co. Meath
Ridley-Ellis, D. (2017, May). Bringing new species to the market place. Presented at EFIATLANTIC AND IEFC ANNUAL MEETING The Role of Alternative Tree Species in the Forests of Atlantic Europe, Edinburgh
Ridley-Ellis, D. (2017, May). Timber grading. Presented at Tree Breeding and Forest Products - An update on current research, Garwnant
Adams, S., & Ridley-Ellis, D. (2018, June). The daily cycle of moisture content expansion and contraction in UK-grown Sitka spruce trees. Paper presented at Timber 2018, London
The diameter of five dominant Sitka spruce (Picea sitchensis) trees at Griffin Forest (near Aberfeldy, Scotland) were monitored at two minute intervals with dendrometers betwe...
Ridley-Ellis, D., Libeau, M., & Mignerat, D. (2018). Impulse excitation measurement of small changes in elastic moduli and damping using R. International Wood Products Journal, (1-6). doi:10.1080/20426445.2018.1475928. ISSN 2042-6445
Impulse excitation is commonly used to assess wood stiffness in both scientific and industrial settings. Modes of vibration are excited by a mechanical impulse and their reson...
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...
Ridley-Ellis, D., & Gil-Moreno, D. (2018). TG1/201804/25 Derivation of MTG grading machine settings for Douglas fir (IE & GB, C classes). Ljubljana: WoodProps for Ireland project
mtgBATCH 962 mtgBATCH 966
Douglas fir (Pseudotsuga menziesii)
Permitted timber sizes
Thickness: 33 mm to 84...
University of Strathclyde
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...
ENU Development Trust
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...
Provide support to the forest industry through representation on various GB and European committees, and to provide dissemination and facilitate events to the sawmill industy.
To create approved settings for existing x-ray and acoustic grading machines for British larch whilst creating knowledge on dimensional tolerance and creating a subset of sample resource for Proof of ...
Improving industry knowledge of timer properties and utilisation potential of 'alternative species', testing 6 different species. Disseminate and promote effectively the outputs of the programme, incl...
Royal Botanic Gardens Edinburgh
13 April 2018
297 Euston Road
London, NW1 3AQ United Kingdom
29 November 2017
Construction Scotland Innovation Centre (CSIC)
Watt Pl Blantyre
Glasgow, G72 0AG United Kingdom
1 January 1970