Moore, J. R., Lyon, A. J., Searles, G. J., Lehneke, S. A. & Ridley-Ellis, D. (2012). Within- and between-stand variation in selected properties of Sitka spruce sawn timber in the UK: implications for segregation and grade recovery. Annals of Forest Science. 70, 403-415. doi:10.1007/s13595-013-0275-y. ISSN 1286-4560
Information on wood properties variation is needed by forest growers and timber processors to best utilise the available forest resource and to guide future managemen...
Ridley-Ellis, D., Adams, S., & Lehneke, S. (2018). Some thresholds for grading British grown spruce to optimised strength classes using longitudinal resonance
The main commercial species in the UK and Ireland is Sitka spruce (Picea sitchensis), which is graded in combination with a small amount of Norway spruce (P. abies). It is typ...
Ridley-Ellis, D., Adams, S. & Lehneke, S. (2016). THINKING BEYOND THE USUAL STRENGTH GRADES – WITH EXAMPLES OF BRITISH SPRUCE AND LARCH. In Proceedings of the World Conference on Timber Engineering (WCTE 2016), August 22-25, 2016, Vienna, Austria, Eds.: J. Eberhardsteiner, W. Winter, A. Fadai, M. Pöll, Publisher: Vienna University of TechnologyISBN 978-3-903039-00-1
This paper summarises the processes and normative requirements involved in grading of structural timber, and outlines a number of areas in which matters may be improved, so as...