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Developing a BIM and simulation-based hazard assessment and visualization framework for CLT construction design (2021)
Journal Article
BuHamdan, S., Duncheva, T., & Alwisy, A. (2021). Developing a BIM and simulation-based hazard assessment and visualization framework for CLT construction design. Journal of Construction Engineering and Management, 147(3), https://doi.org/10.1061/%28ASCE%29CO.1943-7862.0002000

The sustainability of the urban built environment has previously been investigated through many angles in relation to the growing global urban population and provision of energy-efficient housing. One emerging trend in sustainable medium-density cons... Read More about Developing a BIM and simulation-based hazard assessment and visualization framework for CLT construction design.

Influence of parameters affecting the racking strength of partially anchored timber framed walls (2018)
Conference Proceeding
Zhang, B., Dohnju, R., Kermani, A., Porteous, J., & D'Amico, B. (2018). Influence of parameters affecting the racking strength of partially anchored timber framed walls. In WCTE 2018

A test-based assessment of the racking performance of partially anchored timber framed walls is described in this paper. The tested wall specimens were constructed and tested at the Centre for Timber Engineering (Edinburgh Napier University, UK) cons... Read More about Influence of parameters affecting the racking strength of partially anchored timber framed walls.

Determination of shear modulus of wood joists from torsion tests and relationship with modulus of elasticity (2018)
Conference Proceeding
Khokhar, A., & Zhang, J. (2018). Determination of shear modulus of wood joists from torsion tests and relationship with modulus of elasticity.

This paper presents the work that was undertaken to use torsion tests to evaluate the shear modulus of wood joists. The relationship of the shear modulus with modulus of elasticity, obtained from bending tests, was examined. Testing standard EN408 h... Read More about Determination of shear modulus of wood joists from torsion tests and relationship with modulus of elasticity.

Timber modern methods of construction: a comparative study (2018)
Thesis
Sanna, F. Timber modern methods of construction: a comparative study. (Thesis). Edinburgh Napier University. Retrieved from http://researchrepository.napier.ac.uk/Output/1256099

The doctoral research revolves around a comparative study of timber modern methods of construction for low-rise, residential buildings in Scotland. The building techniques studied involve both timber-frame panel construction (open-panel and closed-... Read More about Timber modern methods of construction: a comparative study.

Racking performance of Platform timber framed walls assessed by rigid body relaxation technique (2016)
Journal Article
D 'Amico, B., Kermani, A., Porteous, J., Dhonju, R., & Zhang, B. (2016). Racking performance of Platform timber framed walls assessed by rigid body relaxation technique. Construction and Building Materials, 129, 148-158. https://doi.org/10.1016/j.conbuildmat.2016.10.106

A new method to assess the raking performance of Platform timber framed walls, is provided in this study: each component of the unit wall assembly is assumed as rigid, hence allowing to drastically reduce the overall number of DoFs involved within th... Read More about Racking performance of Platform timber framed walls assessed by rigid body relaxation technique.

A comparison between Volumetric Timber Manufacturing Strategies in the UK and mainland Europe (2016)
Presentation / Conference
Duncheva, M., & Bradley, F. F. (2016, September). A comparison between Volumetric Timber Manufacturing Strategies in the UK and mainland Europe. Paper presented at Modular and Offsite Construction Summit (MOC)

The construction sector in the UK is currently being challenged by an urgent need to produce housing. This requirement is within a context of increasingly stringent greenhouse gas emission legislation and tough goals to reduce build time by 50% and... Read More about A comparison between Volumetric Timber Manufacturing Strategies in the UK and mainland Europe.

Multi-dimensional data fitting for the structural design of a simple timber connection (2016)
Conference Proceeding
Livingstone, A., Patlakas, P., Milne, M., Smith, S., & Hairstans, R. (2016). Multi-dimensional data fitting for the structural design of a simple timber connection. In J. Eberhardsteiner, W. Winter, A. Fadai, & M. Pöll (Eds.), WCTE 2016 e-book : containing all full papers submitted to the World Conference on Timber Engineering (WCTE 2016) (2037-2044)

This paper presents a novel method of automating the structural design of timber connections and ensuring code compliance within a Building Information Modelling (BIM) context. The mathematical method of Multi Dimensional Data Fitting (MDDF) is prese... Read More about Multi-dimensional data fitting for the structural design of a simple timber connection.

Taking timber beyond traditional boundaries. (2016)
Book Chapter
Hairstans, R. (2016). Taking timber beyond traditional boundaries. In TRADA timber industry yearbook 2016. High Wycombe, Buckinghamshire: Exova BM TRADA

Timber is a natural, hygroscopic, anisotropic material that must be properly understood if it is to be used efficiently within the built environment. With good silvicultural practices timber can be sourced responsibly and converted (with relatively l... Read More about Taking timber beyond traditional boundaries..

Making the grade and maximising the opportunities. (2016)
Presentation / Conference
Ridley-Ellis, D. (2016, April). Making the grade and maximising the opportunities. Presented at Institute of Chartered Foresters 2016 National Conference “The Timber Supply Chain – Dynamics and Opportunities”

Institute of Chartered Foresters National Conference 2016 Invited presentation covering: A quick explanation of key properties of wood, relevant to construction The extent of variation in these properties, between and within species – and the... Read More about Making the grade and maximising the opportunities..

Viability of cross-laminated timber from UK resources (2015)
Journal Article
Crawford, D., Smith, S., Hairstans, R., & Papastavrou, P. (2015). Viability of cross-laminated timber from UK resources. Proceedings of the ICE - Construction Materials, 168(3), 110-120. https://doi.org/10.1680/coma.14.00064

Cross-laminated timber is an innovative engineered timber product that can be used for almost all superstructure elements. It is typically produced from kiln-dried, fast-growing softwood timber. Currently there is no commercial production in the UK a... Read More about Viability of cross-laminated timber from UK resources.

The Forum (Wood). (2015)
Digital Artefact
Ridley-Ellis, D. (2015). The Forum (Wood)

Contributor to pre-recorded BBC World Service programme. Is our attitude to wood changing? In Africa it’s a still the dominant fuel for daily survival and in Canada an architect is designing wooden high rise buildings. To discuss wood, architect M... Read More about The Forum (Wood)..

Sole plate fixing details for modern methods of timber construction. (2014)
Book Chapter
Menendez, J., Leitch, K., & Hairstans, R. (2014). Sole plate fixing details for modern methods of timber construction. In S. Aicher, H. W. Reinhardt, & H. Garrecht (Eds.), Materials and joints in timber structures: recent development of technologies (109-118). Springer. https://doi.org/10.1007/978-94-007-7811-5_10

In order to resist lateral loads, modern methods of timber construction are reliant on the in-plane shear strength of the walls orientated parallel to the applied action. In closed panel systems, the shear stresses are transferred to the foundations... Read More about Sole plate fixing details for modern methods of timber construction..

A form finding method for post formed timber grid shell structures. (2014)
Conference Proceeding
D'Amico, B., Kermani, A., & Zhang, H. (2014). A form finding method for post formed timber grid shell structures. . https://doi.org/10.13140/2.1.3949.8888

Timber grid shells provide efficient ways of covering large openings with relatively small amount of materials. With three-dimensional CAD software, it is now possible to model a free-form surface and discretize it in smaller straight elements, thus... Read More about A form finding method for post formed timber grid shell structures..

Potential for estimating the age of instruments by characterisation of wood properties via acoustics. (2014)
Conference Proceeding
Ridley-Ellis, D., & Popescu, C. (2014). Potential for estimating the age of instruments by characterisation of wood properties via acoustics.

The performance of musical instruments is sensitive to several wood properties that are affected by aging. These wood properties also change with temperature and humidity in ways that interact with (and change as a result of) aging processes. This of... Read More about Potential for estimating the age of instruments by characterisation of wood properties via acoustics..

Structural behaviour of timber frame closed panels for specification in the United Kingdom. (2014)
Conference Proceeding
Menendez, J., Leitch, K., & Hairstans, R. (2014). Structural behaviour of timber frame closed panels for specification in the United Kingdom.

A series of closed timber frame wall panels were tested for racking capacity in accordance with the standard BS EN594:2011 [1]. The test program was designed to investigate the wall diaphragm performance of conventional and evolved (dual-frame) pa... Read More about Structural behaviour of timber frame closed panels for specification in the United Kingdom..

Strength class of minor conifer species, as estimated from log acoustic measurements, small-clear data and knowledge of wood property variation (2014)
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, timber properties also vary by region, by forest practice, and by the chan... Read More about Strength class of minor conifer species, as estimated from log acoustic measurements, small-clear data and knowledge of wood property variation.

Stiffness changes during low temperature thermal treatment of Scots pine, assessed by acoustic NDT (2014)
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 and 140 C) was evaluated. The determinations of the specific changes were c... Read More about Stiffness changes during low temperature thermal treatment of Scots pine, assessed by acoustic NDT.

Adding value to the Forest through research. (2014)
Presentation / Conference
Ridley-Ellis, D. (2014, March). Adding value to the Forest through research. Presented at Wood Products Innovation Gateway closing event

Presentation at the closing event of the "Wood Products Innovation Gateway"