Outputs (186)

Circulating structural timber and engineered wood products – challenges and potentials towards reliable evaluation of mechanical properties (2025)
Journal Article
Ranttila, H., Fink, G., Brandner, R., & Ridley-Ellis, D. (online). Circulating structural timber and engineered wood products – challenges and potentials towards reliable evaluation of mechanical properties. Wood Material Science and Engineering, https://doi.org/10.1080/17480272.2025.2517186

Circulating structural timber and engineered wood products require reliable assessment of key mechanical properties. However, existing standards for strength grading sawn timber are not designed for the reuse and recycling of timber and are unsuitabl... Read More about Circulating structural timber and engineered wood products – challenges and potentials towards reliable evaluation of mechanical properties.

Hardwood Strength Grading - Considerations for Density and Compression Strength (2025)
Presentation / Conference Contribution
Cramer, M., & Ridley-Ellis, D. (2025, June). Hardwood Strength Grading - Considerations for Density and Compression Strength. Presented at 14th World Conference on Timber Engineering 2025 (WCTE 2025), Brisbane, Australia

It can be a challenge to achieve effective sorting of temperate hardwoods for density when using visual strength grading rules and some types of machine grading. Different solutions have been proposed, including using a single conservative density ac... Read More about Hardwood Strength Grading - Considerations for Density and Compression Strength.

Reuse of wood in structural products – a gain? (2025)
Presentation / Conference Contribution
Íñiguez-González, G., Llana, D., Ridley-Ellis, D., Torres, V., & Arriaga, F. (2025, June). Reuse of wood in structural products – a gain?. Presented at 14th World Conference on Timber Engineering 2025 (WCTE 2025), Brisbane, Australia

There is increasing interest in the reuse and recycling of wood in construction, but still many important unsolved questions about how it should be done safely and economically. Some important research projects, carried out in recent years, have addr... Read More about Reuse of wood in structural products – a gain?.

Towards Circular Buildings in Hong Kong: A New Integrated Technology–Material–Design (TMD) Circularity Assessment Framework (2025)
Journal Article
Lau, E. K. S., Chan, D. W. M., Oluleye, B. I., & Olawumi, T. O. (2025). Towards Circular Buildings in Hong Kong: A New Integrated Technology–Material–Design (TMD) Circularity Assessment Framework. Buildings, 15(5), Article 814. https://doi.org/10.3390/buildings15050814

As Hong Kong faces increasing pressure on resources and environmental sustainability, there is a growing need to shift towards circular building practices. The ever-increasing demand for sustainable urban development necessitates innovative approache... Read More about Towards Circular Buildings in Hong Kong: A New Integrated Technology–Material–Design (TMD) Circularity Assessment Framework.

Volumetric Modular Construction research (2024)
Report
Brennan, J., Vokes, C., Massey, T., Duncheva, M., Plowas, W., Livingstone, A., Reid, A., Bros Williamson, J., & Hairstans, R. (2024). Volumetric Modular Construction research. Ministry of Housing, Communities & Local Government

Building on a pledge to support Modern Methods of Construction (MMC) in its Autumn Budget of 2017, the 2019 Conservative party manifesto reaffirmed the target of 300,000 homes a year by the mid-2020s and made explicit commitment to support MMC. The n... Read More about Volumetric Modular Construction research.

Shear and Torsion (2024)
Report
Plowas, W. (2024). Shear and Torsion. Timber Development UK

Eurocode 5 provides verifications for design for timber beams subjected to shear and to torsion.

It gives verifications for design for shear, for stress components (both parallel and perpendicular to the grain), as well as advice on design for tor... Read More about Shear and Torsion.

Fire Performance of Timber and Timber Products (2024)
Report
Plowas, W. (2024). Fire Performance of Timber and Timber Products. Timber Development UK

Cross Laminated Timber (2024)
Report
Plowas, W. (2024). Cross Laminated Timber. Timber Development UK

Cross Laminated Timber, also known as CLT or X-lam, is an engineered timber product with a minimum of three cross-bonded layers. At least one layer is orthogonally oriented to the two adjacent layers of timber boards

Designing with Cross Laminated Timber (CLT) (2024)
Report
Plowas, W. (2024). Designing with Cross Laminated Timber (CLT). Timber Development UK

The development of CLT brought new possibilities for timber in construction. Instead of framing smaller timber sections to form load-bearing structural systems, timber products using CLT can form walls and roofs of structures in large surface panels.... Read More about Designing with Cross Laminated Timber (CLT).

Lateral Torsional Buckling (2024)
Report
Plowas, W. (2024). Lateral Torsional Buckling. Timber Development UK

Lateral torsional instability occurs when a beam’s compression face is not fully restrained against lateral movement and its relative slenderness is high. The beam may fail by deflecting sideways and twisting about its longitudinal axis; this failure... Read More about Lateral Torsional Buckling.

Global Policies Influencing the Greater Adoption of Timber in Construction (2024)
Report
Hairstans, R., Ridley Ellis, D., Cramer, M., Plowas, W., Hart, S., Rogers, L., Connell-Skinner, K., & Seminara, P. (2024). Global Policies Influencing the Greater Adoption of Timber in Construction. Forest Industries Ireland

This report prepared on behalf of the Timber in Construction Steering Group and Forest Industries Ireland and authored by Built Environment – Smarter Transformation (BE-ST) and Edinburgh Napier University (ENU), emphasises the critical role of increa... Read More about Global Policies Influencing the Greater Adoption of Timber in Construction.

Eurocode 5: Design Principles (2024)
Report
Plowas, W. (2024). Eurocode 5: Design Principles. Timber Development UK

The Eurocode System introduced a design philosophy called Limit State Design. Structures are assessed at the service or working load condition, i.e. states beyond which the structure will no longer satisfy performance.

Introducing Limit State Des... Read More about Eurocode 5: Design Principles.

Eurocode 5: Introduction (2024)
Report
Plowas, W. (2024). Eurocode 5: Introduction. Timber Development UK

The Eurocode System is designed to ‘eliminate technical obstacles to trade and the harmonisation of technical specifications’ in construction within the EEA. It covers all main construction materials, including concrete, steel, masonry, timber, alumi... Read More about Eurocode 5: Introduction.

Hardwoods in the United Kingdom Considerations When Looking to Future Planting and Future Value Chains (2024)
Presentation / Conference Contribution
Ridley-Ellis, D., & Cramer, M. (2024, September). Hardwoods in the United Kingdom Considerations When Looking to Future Planting and Future Value Chains. Presented at International Scientific Conference on Hardwood Processing, Coimbra, Portugal

Reasons for increasing the diversity of the tree species providing wood for the value chain include: improving forest resilience to climate change; mitigating the risks of pests and pathogens; and improving other important functions of forests such a... Read More about Hardwoods in the United Kingdom Considerations When Looking to Future Planting and Future Value Chains.

Timber and Fire Building Regulations (2024)
Report
Plowas, W. (2024). Timber and Fire Building Regulations. Timber Development UK

The legislative system underpinning fire safety intends to protect life through each stage of the design, construction, and occupation of a building. This results in a reasonable level of protection for the building’s occupants and firefighters in th... Read More about Timber and Fire Building Regulations.

Multi-Attribute Analysis For Sustainable Reclamation Of Urban Industrial Sites: Case From Damascus Post-Conflict (2024)
Presentation / Conference Contribution
Khaddour, L., Osunsanmi, T., Olawumi, T., & Bradly, L. (2024, June). Multi-Attribute Analysis For Sustainable Reclamation Of Urban Industrial Sites: Case From Damascus Post-Conflict. Presented at The 2024 World Sustainable Built Environment Conference (WSBE24), Online

The reclamation of urban industrial zones presents intricate challenges within urban planning, notably in post-disaster scenarios aimed at revitalizing urban landscapes. This study delves into the complexities and decision-making intricacies involved... Read More about Multi-Attribute Analysis For Sustainable Reclamation Of Urban Industrial Sites: Case From Damascus Post-Conflict.

A proposed standardization framework for recovered timber strength grading (2024)
Presentation / Conference Contribution
Llana, D. F., Ridley-Ellis, D., Turk, G., & Íñiguez-González, G. (2024, June). A proposed standardization framework for recovered timber strength grading. Presented at III Congreso Ibero-Latinoamericano MAD de la Madera en la Construcción (CIMAD 24) : Libro de Actas de Resúmenes Extendidos, Madrid

An increasing quantity of wood is recovered from demolitions, presenting opportunities for enhanced value through reusing or recycling in structural uses. Prior to utilizing timber for structural applications, it is essential to subject it to a gradi... Read More about A proposed standardization framework for recovered timber strength grading.

Efficient building retrofitting towards carbon-neutral built environment in developing economies: A scoping review (2024)
Presentation / Conference Contribution
Ejidike, C. C., Mewomo, M. C., Agbajor, F. D., Olawumi, T. O., & Luo, J. (2024, June). Efficient building retrofitting towards carbon-neutral built environment in developing economies: A scoping review. Paper presented at 1st International Conference on Net-Zero Built Environment, Oslo, Norway

The construction industry is widely recognized for its high energy consumption and carbon emissions in the built environment. This recognition is attributable to the underperformance of existing buildings within the built environment. Retrofitting bu... Read More about Efficient building retrofitting towards carbon-neutral built environment in developing economies: A scoping review.

Deploying Bottleneck Management Strategies for Ameliorating Critical Delays in Building Construction Projects: A Case for Developing Country of Iran (2024)
Journal Article
Karimi, H., Sarvari, H., Edwards, D. J., Chan, D. W. M., & Olawumi, T. O. (2024). Deploying Bottleneck Management Strategies for Ameliorating Critical Delays in Building Construction Projects: A Case for Developing Country of Iran. Systems, 12(6), 195. https://doi.org/10.3390/systems12060195

One of the primary concerns and challenges encountered in the construction industry is the emergence of crucial factors instigating project delays throughout the construction project lifecycle (CPL). The critical delay factors (CDFs) are the signific... Read More about Deploying Bottleneck Management Strategies for Ameliorating Critical Delays in Building Construction Projects: A Case for Developing Country of Iran.

Designing with Glue Laminated Timber (Glulam) (2024)
Report
Plowas, W. (2024). Designing with Glue Laminated Timber (Glulam). Timber Development UK

Glued Laminated Timber, commonly referred to as Glulam or GLT, comprises several layers of dimensioned, strength-graded timber bonded together with structural adhesive to increase structural performance.