Some thresholds for grading British grown spruce to optimised strength classes using longitudinal resonance
Conference Proceeding
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...
The daily cycle of moisture content expansion and contraction in UK-grown Sitka spruce trees
Presentation / Conference
Adams, S., & Ridley-Ellis, D. (2018, June)
The daily cycle of moisture content expansion and contraction in UK-grown Sitka spruce trees. Paper presented at Timber 2018, London
The diameter of five dominant Sitka spruce (Picea sitchensis) trees at Griffin Forest (near Aberfeldy, Scotland) were monitored at two minute intervals with dendrometers betwe...
Thinking beyond the usual strength grades – with examples of British spruce and larch
Conference Proceeding
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 Technology
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...