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163 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...

A Shed Resource: A look at Wood Recycling in the UK

Presentation / Conference
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...

Effects of genetics on the wood properties of Sitka spruce growing in the UK: bending strength and stiffness of structural timber.

Journal Article
Moore, J. R., Mochan, S. J., Brüchert, F., Hapca, A. I., Ridley-Ellis, D., Gardiner, B. A., & Lee, S. . J. (2009)
Effects of genetics on the wood properties of Sitka spruce growing in the UK: bending strength and stiffness of structural timber. Forestry, 82, 491-501. https://doi.org/10.1093/forestry/cpp018
Mechanical tests were conducted on structural timber from a 37-year-old Sitka spruce (Picea sitchensis (Bong.) Carr), progeny trial located in Kershope Forest, Cumbria, UK. Va...

Stiffness changes during low temperature thermal treatment of Scots pine, assessed by acoustic NDT

Conference Proceeding
Ridley-Ellis, D., Popescu, C., Keating, B. A., Popescu, M., & Hill, C. A. S. (2014)
Stiffness changes during low temperature thermal treatment of Scots pine, assessed by acoustic NDT. In L. Nunes, D. Jones, C. A. S. Hill, & H. Militz (Eds.), Proceedings of the 7th European Conference on Wood Modification
The change, over time, in density, longitudinal modulus of elasticity, shear modulus and chemical structure of Scots pine (Pinus sylvestris) under thermal treatment (110, 120 ...

TG1/201410/33rev: Derivation of MTG 920, mtgBATCH 922 and mtgBATCH 926 grading machine settings for British Spruce

Working Paper
Ridley-Ellis, D. (2014)
TG1/201410/33rev: Derivation of MTG 920, mtgBATCH 922 and mtgBATCH 926 grading machine settings for British Spruce
Confidential report for CEN TC124 WG2 TG1 Grading machines: MTG 920, mtgBATCH 922, mtgBATCH 926 Manufacturer: Brookhuis Micro Electronics bv Growth area: United Kingdom + Repu...

Mechanical and physical properties of thermally modified Scots pine wood in high pressure reactor under saturated steam at 120, 150 and 180 °C.

Journal Article
Rautkari, L., Hill, C. A. S., Ridley-Ellis, D., & Hughes, M. (2014)
Mechanical and physical properties of thermally modified Scots pine wood in high pressure reactor under saturated steam at 120, 150 and 180 °C. European Journal of Wood and Wood Products, 72, 33-41. https://doi.org/10.1007/s00107-013-0749-5
Scots pine sapwood and heartwood were thermally modified under saturated steam at 120, 150 and 180 °C in a high pressure reactor. Mechanical properties such as dynamic and sta...

You’re so hip, darling: Materials researchers do stand-up comedy

Journal Article
Ridley-Ellis, D., & McNamara, L. (2015)
You’re so hip, darling: Materials researchers do stand-up comedy. MRS Bulletin, 40(08), 632-634. https://doi.org/10.1557/mrs.2015.187
Article about Bright Club (in Edinburgh and Glasgow)

TG1/201410/31rev: Derivation of MTG 920, mtgBATCH 922 and mtgBATCH 926 grading machine settings for UK larch

Working Paper
Ridley-Ellis, D. (2014)
TG1/201410/31rev: Derivation of MTG 920, mtgBATCH 922 and mtgBATCH 926 grading machine settings for UK larch
Confidential report for CEN TC124 WG2 TG1 Grading machines: MTG 920, mtgBATCH 922, mtgBATCH 926 Manufacturer: Brookhuis Micro Electronics bv Growth area: United Kingdom Specie...

Some awkward questions about density

Conference Proceeding
Ridley-Ellis, D., & Cramer, M. (2020)
Some awkward questions about density. In Timber 2020 Conference Proceedings. , (99-110
There are several different concepts of wood density, such as specific gravity, basic density, dry density, and oven dry density. These are often confusing, and sometimes poor...

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...

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21 results

Growth & quality of minor conifer timber species

2012 - 2016
PhD investigating performance of timber from some minor species while developing approaches for assessing wood in standing trees.
Funder: Scottish Forestry | Value: £73,379

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

Improving the quality of Larch & Douglas Fir for Structural timber

2011 - 2014
Distortion (warping) when sawn timber is kiln-dried has been identified as the most important quality barrier preventing the wider utilisation of UK-grown timber in the construction industry. Using m...
Funder: Scottish Forestry | Value: £55,181

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

Larch grading setting

2014 - 2015
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 ...
Funder: Scottish Forestry | Value: £105,000

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

Edinburgh Beltane Public Engagement Fellowship

2011 - 2012
Edinburgh Beltane Public Engagement Fellowship: National photography competition - science and Engineering in the forest industries
Funder: Beltane Public Engagement | Value: £7,244

Timber grading standards support (Workpackage 2)

2014 - 2018
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.
Funder: Scottish Forestry | Value: £130,000

SIRT workplan 2014/17 (Workpackage 1)

2014 - 2018
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...
Funder: Scottish Forestry | Value: £289,999

Historic Scotland, Development of Appropriate Tools for the Analysis of Historic Timber

2012 - 2013
Exploratory non-destructive testing of historic and artificially aged timber with a view to developing an inexpensive method of assessing historical wooden building elements in situ for condition and ...
Funder: Historic Environment Scotland | Value: £9,904

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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...