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Outputs (158)

Analysis of a wooden specimen's mechanical properties through acoustic measurements in the very near field (2020)
Journal Article
Pantelić, F., Mijić, M., Šumarac Pavlović, D., Ridley-Ellis, D., & Dudeš, D. (2020). Analysis of a wooden specimen's mechanical properties through acoustic measurements in the very near field. Journal of the Acoustical Society of America, 147(4), EL320-EL325. https://doi.org/10.1121/10.0001030

This paper presents the method for prediction of some basic mechanical parameters of a wood specimen by using simple instrumentation. The standard acoustic method for assessment of modulus of elasticity using the impulse excitation is extended by usi... Read More about Analysis of a wooden specimen's mechanical properties through acoustic measurements in the very near field.

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.

Quantification of chemical changes taking place in spruce wood structure following long period thermal treatment (2019)
Presentation / Conference Contribution
Popescu, C., Ridley-Ellis, D., & Popescu, M. (2019, August). Quantification of chemical changes taking place in spruce wood structure following long period thermal treatment. Paper presented at 2DCOS-10, The 10th International Symposium on Two-dimensional Correlation Spectroscopy, Changchun, China

Wood is a natural composite polymer containing different amounts of cellulose, lignin and hemicelluloses and some other low molecular compounds (i.e. extractives). Due to its structure wood is susceptible to degradation in the surrounding environment... Read More about Quantification of chemical changes taking place in spruce wood structure following long period thermal treatment.

Refocusing modern methods of construction on the climate emergency: a 'five capitals' model for action (2020)
Journal Article
Campbell, A., Hairstans, R., & Jones, G. (2020). Refocusing modern methods of construction on the climate emergency: a 'five capitals' model for action. The structural engineer : journal of the Institution of Structural Engineers, 98(9), 22-28

Adrian Campbell, Robert Hairstans and Giulia Jones explain how natural, human, social, manufactured and economic capital can all benefit from a sustainability-focused approach to off -site manufacturing.

Decision Support Tool for Enhancing the Economic Impact of Construction using Offsite Systems (2019)
Presentation / Conference Contribution
Duncheva, T., & Hairstans, R. (2019). Decision Support Tool for Enhancing the Economic Impact of Construction using Offsite Systems. In Proceedings of the 2019 Modular and Offsite Construction (MOC) Summit (116-123). https://doi.org/10.29173/mocs84

The construction industry is facing productivity stagnation across the globe, and several hypotheses to explain this phenomenon exist, most often associated with low use of digitisation, skills shortages and unpredictable market trends. Yet the econo... Read More about Decision Support Tool for Enhancing the Economic Impact of Construction using Offsite Systems.

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.

Grading of British spruce cladding battens by ring width for density, fastener performance and fire (2019)
Presentation / Conference Contribution
Ridley-Ellis, D. (2019, October). Grading of British spruce cladding battens by ring width for density, fastener performance and fire. Presented at 15th Annual Meeting of the Northern European Network for Wood Science and Engineering, Lund, Sweden

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.

The use of a visual grading code of practice in the UK in the assessment of the mechanical properties of in situ structural timber elements (2019)
Presentation / Conference Contribution
Bather, M. J., & Ridley-Ellis, D. J. (2019, September). The use of a visual grading code of practice in the UK in the assessment of the mechanical properties of in situ structural timber elements. Presented at 5th International Conference on Structural Health Assessment of Timber Structures (SHATiS), Guimarães, Portugal

The estimation of the mechanical properties of in situ timber elements is an essential part of the structural appraisal of many existing buildings and structures. Currently, in the UK, this appraisal of load-bearing timber is generally carried out b... Read More about The use of a visual grading code of practice in the UK in the assessment of the mechanical properties of in situ structural timber elements.

Use of Nondestructive Techniques for Determination of Tension Parallel-to-Grain Properties of Spruce (2019)
Presentation / Conference Contribution
Gil-Moreno, D., O'Ceallaigh, C., Ridley-Ellis, D., & Harte, A. M. (2019, September). Use of Nondestructive Techniques for Determination of Tension Parallel-to-Grain Properties of Spruce. Presented at 21st International Nondestructive Testing and Evaluation of Wood Symposium, Freiburg, Germany

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.

Influence of knot area indexes on tension strength of Sitka spruce (2019)
Presentation / Conference Contribution
Gil-Moreno, D., Ridley-Ellis, D., & Harte, A. M. (2019, September). Influence of knot area indexes on tension strength of Sitka spruce. Presented at 15th Annual Meeting of the Northern European Network for Wood Science and Engineering, Lund, Sweden

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.

A brief look at alternative species in the UK (2021)
Presentation / Conference Contribution
Adams, S. H., & Ridley-Ellis, D. J. (2020, December). A brief look at alternative species in the UK. Presented at Northern European Network for Wood Science and Engineering – WSE2020, Online (Helsinki)

A case study of timber demolition recycling in the UK (2021)
Presentation / Conference Contribution
Cramer, M., & Ridley-Ellis, D. (2020, December). A case study of timber demolition recycling in the UK. Presented at Northern European Network for Wood Science and Engineering – WSE2020, Online (Helsinki)

Test Machine Effect in the determination of modulus of elasticity for strength-graded timber (2021)
Presentation / Conference Contribution
Gil-Moreno, D., Ridley-Ellis, D., & Harte, A. M. (2021, August). Test Machine Effect in the determination of modulus of elasticity for strength-graded timber. Presented at WCTE 2021: World Conference on Timber Engineering, Santiago, Chile [Online]

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.

Perception and use of timber in construction: A case study of Ireland and the UK (2021)
Presentation / Conference Contribution
O'Ceallaigh, C., Gil-Moreno, D., Ridley-Ellis, D., & Harte, A. M. (2021, August). Perception and use of timber in construction: A case study of Ireland and the UK. Presented at WCTE 2021: World Conference on Timber Engineering, Santiago, Chile [Online]

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.

More than the sum of their parts - How UK Timber Houses can be Deconstructed and Reused (2021)
Presentation / Conference Contribution
Cramer, M., & Sandin, Y. (2021, October). More than the sum of their parts - How UK Timber Houses can be Deconstructed and Reused. Presented at Annual Meeting of the Northern European Network for Wood Science and Engineering, Kaunas, Lithuania

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.

Framework for the UK Construction Industry Transition to Net Zero Design: A Delphi Techniques and Structural Equation Model Approach (2024)
Journal Article
Osunsanmi, T. O., Gillies-Denning, E., Khaddour, L., Olawumi, T. O., & Moobela, C. (online). Framework for the UK Construction Industry Transition to Net Zero Design: A Delphi Techniques and Structural Equation Model Approach. International journal of construction management, https://doi.org/10.1080/15623599.2024.2337143

The shift towards net zero design for the construction industry poses complex challenges, which can be likened to a three-headed hydra embodying energy, water, and carbon emissions. The industry stakeholders have grappled with addressing the challeng... Read More about Framework for the UK Construction Industry Transition to Net Zero Design: A Delphi Techniques and Structural Equation Model Approach.

Perceived barriers to implementing building information modeling in Iranian Small and Medium-Sized Enterprises (SMEs): a Delphi survey of construction experts (2024)
Journal Article
Sarvari, H., Asaadsamani, P., Olawumi, T. O., Chan, D. W., Rashidi, A., & Beer, M. (2024). Perceived barriers to implementing building information modeling in Iranian Small and Medium-Sized Enterprises (SMEs): a Delphi survey of construction experts. Architectural Engineering and Design Management, 20(3), 673-693. https://doi.org/10.1080/17452007.2024.2329687

Building information modeling (BIM) is a disruptive information technology tool in the construction sector. Although this technology had a significant impact on the manufacturing industries, it, like any other technology, encountered several challeng... Read More about Perceived barriers to implementing building information modeling in Iranian Small and Medium-Sized Enterprises (SMEs): a Delphi survey of construction experts.

Efficient building retrofitting towards carbon-neutral built environment in developing economies: A scoping re-view (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 re-view. Presented at 1st International Conference on Net-Ze

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 re-view.