Browsing College of Engineering and Informatics by Author "Ridley-Ellis, Dan"

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Timber grading potential of Douglas fir in the Republic of Ireland and the UK

Gil-Moreno, David; Ridley-Ellis, Dan; Harte, Annette M. (Taylor & Francis, 2019-05-19)

Results of the recently approved machine control grading settings for Douglas fir in the Republic of Ireland and the UK have shown that the species can be graded to C18, and higher strength classes, and while there is a ...
Use of nondestructive techniques for determination of tension parallel-to-grain properties of spruce

Gil-Moreno, David; O'Ceallaigh, Conan; Ridley-Ellis, Dan; Harte, Annette M. (USDA Forest Service Forest Products Laboratory (FPL), 2019-09-25)

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 ...