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...
The shear strength and failure modes of timber joists obtained from the torsion test method.
Conference Proceeding
Khokhar, A. M., Zhang, H., & Ridley-Ellis, D. (2010)
The shear strength and failure modes of timber joists obtained from the torsion test method. In A. Ceccotti (Ed.), 11th World Conference on Timber Engineering 2010 (WTCTE 2010) (3509-3516
This paper presents details of the experimental method and test results from a series of torsion tests undertaken to evaluate the shear strength of timber joists. The failure...
Strength class of minor conifer species, as estimated from log acoustic measurements, small-clear data and knowledge of wood property variation
Conference Proceeding
Gil-Moreno, D., Ridley-Ellis, D., & McLean, J. P. (2014)
Strength class of minor conifer species, as estimated from log acoustic measurements, small-clear data and knowledge of wood property variation. In K. Schober (Ed.), COST Action FP1004 "Experimental Research with Timber", (214-218
It is well known that wood properties vary from species to species. Additionally, trees grow wood in response to their requirement to grow in a certain environment. Therefore,...
Determining the Shear Modulus of Sitka Spruce from Torsion Tests
Journal Article
Khokhar, A. M., Zhang, H., Ridley-Ellis, D., & Moore, J. (2008)
Determining the Shear Modulus of Sitka Spruce from Torsion Tests. Timber Engineering,
This paper presents details of the experimental method, and preliminary results from, a series of torsion tests undertaken to evaluate the shear modulus of Sitka spruce (Picea...
Determining the Shear Modulus of Sitka Spruce from Torsion Tests
Conference Proceeding
Khokhar, A., Zhang, H., Ridley-Ellis, D. & Moore, J. (2008)
Determining the Shear Modulus of Sitka Spruce from Torsion Tests. In 10th World Conference on Timber Engineering 2008, 2137-2144. ISBN 9781615670888
This paper presents details of the experimental method, and preliminary results from, a series of torsion tests undertaken to evaluate the shear modulus of Sitka spruce (Picea...
Combining of results from visual inspection, non-destructive testing and semi-destructive testing to predict the mechanical properties of Western Hemlock
Presentation / Conference
Bather, M., Ridley-Ellis, D. & Gil-Moreno, D. (2016, August)
Combining of results from visual inspection, non-destructive testing and semi-destructive testing to predict the mechanical properties of Western Hemlock. Paper presented at World Conference on Timber Engineering, Vienna, Austria
Current methods of assessing the mechanical properties of in-situ timber are limited, particularly with regard to estimating bending strength and stiffness. The aim of this re...
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...
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...
firrs DVD: Exploring the science and engineering of wood.
Digital Artefact
Ridley-Ellis, D. (2006)
firrs DVD: Exploring the science and engineering of wood.
The firrs DVD features over two hours worth of videos about the science and technology of wood and the people involved. It is aimed at young people ages 12-16 and looks at a ...