Skip to main content

Research Repository

Advanced Search

Design of Timber Buildings for Deconstruction and Reuse — Three methods and five case studies (2022)
Report
Sandin, Y., Shotton, E., Cramer, M., Sandberg, K., Walsh, S. J., González-Alegre, V., …Zabala Mejia, A. (2022). Design of Timber Buildings for Deconstruction and Reuse — Three methods and five case studies. ForestValue

There is a need for a shift towards circular economy in the construction sector and design philosophies as Design for Deconstruction and Reuse (DfDR) and Design for Adaptability (DfA) are being developed as means to design out waste and enhance resou... Read More about Design of Timber Buildings for Deconstruction and Reuse — Three methods and five case studies.

The relationship between bending and tension strength of Irish and UK spruce and pine (2022)
Journal Article
Gil-Moreno, D., Ridley-Ellis, D., O'Ceallaigh, C., & Harte, A. M. (in press). The relationship between bending and tension strength of Irish and UK spruce and pine. European Journal of Wood and Wood Products, 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 based on either bending or tension tests. The European standards give equation... Read More about The relationship between bending and tension strength of Irish and UK spruce and pine.

More than the sum of their parts - How UK Timber Houses can be Deconstructed and Reused (2021)
Conference Proceeding
Cramer, M., & Sandin, Y. (2021). More than the sum of their parts - How UK Timber Houses can be Deconstructed and Reused. In Proceedings of the 17th meeting of the Northern European Network for Wood Science and Engineering (WSE 2021) (108-110). https://doi.org/10.5755/e01.9786090217627

The InFutUReWood project (infuturewood.info) focuses on the reuse of structural timber and is working on improving the design of buildings to facilitate deconstruction and reuse. For this purpose, we conducted five case studies in four of the partner... Read More about More than the sum of their parts - How UK Timber Houses can be Deconstructed and Reused.

Perception and use of timber in construction: A case study of Ireland and the UK (2021)
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 countries in total. The total results of all respondents are presented along with... Read More about Perception and use of timber in construction: A case study of Ireland and the UK.

Test Machine Effect in the determination of modulus of elasticity for strength-graded timber (2021)
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 how that may influence strength grading. The ultimate aim is to study the p... Read More about Test Machine Effect in the determination of modulus of elasticity for strength-graded timber.

Photogrammetric Evaluation of Glulam Timber Shear Modulus Using Torsion Test Method and Dual Stereo Vision System (2021)
Journal Article
Mohamed, A., Deng, Y., Zhang, H., Wong, S. H. F., Uheida, K., Zhang, Y., …Quan, Y. (2021). Photogrammetric Evaluation of Glulam Timber Shear Modulus Using Torsion Test Method and Dual Stereo Vision System. European Journal of Wood and Wood Products, 79, 1209-1223. https://doi.org/10.1007/s00107-021-01729-8

The shear modulus of timber and timber-based composite materials is a fundamental me-chanical property which is used in the design of timber and engineered wood products. The problem of experimentally determining appropriate values of shear modulus f... Read More about Photogrammetric Evaluation of Glulam Timber Shear Modulus Using Torsion Test Method and Dual Stereo Vision System.

Alternative UK timber species (2021)
Book Chapter
Adams, S., & Ridley-Ellis, D. (2021). Alternative UK timber species. In Timber 2021 Industry Yearbook (104-111). High Wycombe: TRADA

Steven Adams and Dan Ridley-Ellis discuss the findings of a recent research project into the properties and potential uses of lesser-used species in the UK.

Grade in Britain: enabling a wider range of home grown species (2021)
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 (2021)
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 azedarach wood. The SWV, dynamic modulus of elasticity (MOE d), modulus of ela... Read More about Estimating mechanical properties of clear wood from ten‐year‐old Melia azedarach trees using the stress wave method.

A case study of timber demolition recycling in the UK (2021)
Conference Proceeding
Cramer, M., & Ridley-Ellis, D. (2021). A case study of timber demolition recycling in the UK. In Proceedings of the 16th Annual Meeting of the Northern European Network for Wood Science and Engineering – WSE2020 (89-91)

A brief look at alternative species in the UK (2021)
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)

InFutURe Wood Report 1: Design for deconstruction and reuse of timber structures – state of the art review (2020)
Report
Cristescu, C., Honfi, D., Sandberg, K., Sandin, Y., Shotton, E., Walsh, S., …Krofl, Z. (2020). InFutURe Wood Report 1: Design for deconstruction and reuse of timber structures – state of the art review. ForestValue

This report represents the first publication of the InFutURe Wood project - Innovative Design for the Future – Use and Reuse of Wood (Building) Components. InFutUReWood is supported under the umbrella of ERA-NET and financed by funding agencies from... Read More about InFutURe Wood Report 1: Design for deconstruction and reuse of timber structures – state of the art review.

Some awkward questions about density (2020)
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 poorly described in the literature, but they can be unambiguously defined and m... Read More about Some awkward questions about density.

Global potential for material substitution in building construction: the case of cross laminated timber (2020)
Journal Article
D'Amico, B., Pomponi, F., & Hart, J. (2021). Global potential for material substitution in building construction: the case of cross laminated timber. Journal of Cleaner Production, 279, https://doi.org/10.1016/j.jclepro.2020.123487

The building and construction sector is a large contributor to anthropogenic greenhouse gas emissions and consumes the vastest amount of natural resources. Widely considered a hard-to-decarbonise sector, improvements in buildings and construction are... Read More about Global potential for material substitution in building construction: the case of cross laminated timber.

The Mechanical and Resonance Assessment of Large Clear Samples of UK-Grown Beech Wood (2019)
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 (Fagus sylvatica L.), grown in the United Kingdom. The material was largely fr... Read More about The Mechanical and Resonance Assessment of Large Clear Samples of UK-Grown Beech Wood.

Influence of knot area indexes on tension strength of Sitka spruce (2019)
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 position of knots. In Ireland, the visual strength grading Standard IS 127 spec... Read More about Influence of knot area indexes on tension strength of Sitka spruce.

Grading of British spruce cladding battens by ring width for density, fastener performance and fire (2019)
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 for supporting external timber cladding. The term includes both battens (whi... Read More about Grading of British spruce cladding battens by ring width for density, fastener performance and fire.

Use of Nondestructive Techniques for Determination of Tension Parallel-to-Grain Properties of Spruce (2019)
Conference Proceeding
Gil-Moreno, D., O'Ceallaigh, C., Ridley-Ellis, D., & Harte, A. M. (2019). Use of Nondestructive Techniques for Determination of Tension Parallel-to-Grain Properties of Spruce. In Proceedings: 21st International Nondestructive Testing and Evaluation of Wood Symposium, Freiburg, Germany 2019 (233-240)

The paper presents a study of the tension properties of Irish-grown Sitka spruce. Fifty timber pieces were destructively tested having resonant frequency and knots measured. The aim was to improve knowledge of the performance of spruce in tension and... Read More about Use of Nondestructive Techniques for Determination of Tension Parallel-to-Grain Properties of Spruce.