20 results

Stiffness changes during low temperature thermal treatment of Scots pine, assessed by acoustic NDT

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 ...

Potential for estimating the age of instruments by characterisation of wood properties via acoustics.

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 w...

The development of a hybrid racking panel - appraisal of methods for strength and stiffness calculation.

Conference Proceeding
Leitch, K., & Hairstans, R. (2010)
The development of a hybrid racking panel - appraisal of methods for strength and stiffness calculation. In 11th World Conference on Timber Engineering 2010
Throughout the U.K, Timber Platform Frame is increasingly being utilized in the high volume, low cost housing market. Here, the client’s desire for fully detached housing ofte...

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,...

Influence of parameters affecting the racking strength of partially anchored timber framed walls

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 ...

Structural behaviour of timber frame closed panels for specification in the United Kingdom.

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 th...

Determination of shear modulus of wood joists from torsion tests and relationship with modulus of elasticity

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 elast...

Multi-dimensional data fitting for the structural design of a simple timber connection

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 M. Pöll, A. Fadai, W. Winter, & J. Eberhardsteiner (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...

Determination of shear strength of timber joists by torsion testing.

Conference Proceeding
Khokhar, A. M., Zhang, H. & Ridley-Ellis, D. (2009)
Determination of shear strength of timber joists by torsion testing. In Santos, J. A. (Ed.). Proceedings of COST E53 conference "Economic and Technical aspects of quality control for wood and wood products"ISBN 978-989-96428-1-2
This paper presents an experimental investigation in which the torsion testing approach was employed to evaluate the shear strength of Sitka spruce and Norway spruce joists. R...

Sustainable timber frame diaphragm development.

Conference Proceeding
Hairstans, R., Dodyk, R. & Kermani, A. (2006)
Sustainable timber frame diaphragm development
The EU Directive on Energy Performance of Buildings has the aim of promoting energy performance within the EU and will have a direct impact on current timber frame constructio...