Acoustic segregation of Australian-grown Pinus radiata logs for structural board production

Australian Forestry

Volumn 67, Issue 4, 2004, Pages 261-266

  Dickson, Ross L ^a   Joe, Bill ^a   Harris, Paul ^b   Holtorf, Stephen ^c   Wilkinson, Col ^a  

^a State Forests of New South Wales   (Australia)

^b CALLAGHAN INNOVATION   (New Zealand)

^c Hyne and Son Pty Ltd   (Australia)

Author keywords

Acoustic properties; Grading; Instruments; Juvenile wood; Log grade; Outturn; Pinus radiata; Quality; Stress grading; Wood density; Wood properties; Wood strength

Indexed keywords

ELASTIC MODULI; ELASTICITY; FORESTRY; STIFFNESS; VELOCITY; WOOD; WOOD PRODUCTS;

LOG GRADE; OUTTURN; STRESS GRADING; WOOD STRENGTH;

ACOUSTIC PROPERTIES;

ACOUSTIC PROPERTIES; ELASTIC STRENGTH; ELASTICITY; FORESTRY; STIFFNESS; VELOCITY; WOOD; WOOD PRODUCTS;

PINUS RADIATA;

EID: 11144223720     PISSN: 00049158     EISSN: None     Source Type: Journal    
DOI: 10.1080/00049158.2004.10674944     Document Type: Article

References (17)

1. Albert, D. J., Clark, T. A., Dickson, R. L., and Walker, J. C.F., 2002. Using acoustics to sort radiata pine logs according to fibre characteristics and paper properties. International Forestry Review, 4:12–19.
2. Andrews, M., 2000. “ Where are we with sonics? ”. In Capturing the Benefits of Forestry Research:Putting Ideas to Work. 57–61. Proceedings, Wood Technology Research Centre Workshop, University of Canterbury, October 2000
3. Astley, R. J., Harrington, J. J., Tang, S., and Neumann, J., 1998. “ Modelling the influence of microfibril angle on stiffness and shrinkage in radiata pine. ”. In Microfibril Angle in Wood. Edited by:Butterfield, B. G., 272–295. Christchurch:University of Canterbury.
4. Bodig, J., and Jayne, B., 1982. Mechanics of Wood and Wood Composites. 712New York:Van Nostrand Reinhold Company Inc.
5. Bunn, E. H., 1981. The nature of the resource. New Zealand Journal of Forestry, 26:162–199.
6. Cown, D. J., and McConchie, D. L., 1983. Radiata Pine Wood Properties Survey (1977–1982). NZFRI Bulletin No. 50.
7. Cown, D. J., Kimberley, M. O., and Whiteside, I. D., 1987. “ Conversion and timber grade recoveries from radiata pine logs. In:Kininmonth, J.A. ”. In Proceedings of the Conversion Planning Conference. 147–161. FRI Bulletin No. 128
8. Donaldson, L. A., 1992. Within- and between-tree variation in microfibril angle in. Pinus radiata. New Zealand Journal of Forestry Science, 22:77–86.
9. Downes, G. M., Nyakuengama, J. G., Evans, R., Northway, R., Blakemore, P., Dickson, R. L., and Lausberg, M., 2002. Relationship between wood density, microfibril angle and stiffness in thinned and fertilized. Pinus radiata. lAWA Journal, 23:253–265.
10. Lindstrom, H., Harris, P., and Nakada, R., 2002. Methods for measuring stiffness of young trees. Holz als Roll- und Werkstoff, 60:1–9.
11. Maclaren, P., 2002. Wood quality of radiata pine on farm sites — a review of the issues. A report for the Forest and Farm Plantation Management Co-operative, May 2002, 42 pp.
12. Matheson, A. C., Dickson, R. L., Spencer, D. J., Joe, B., and Ilic, J., 2002. Acoustic segregation of Pinus radiata logs according to stiffness. Annals of Forest Science, 59:471–477.
13. Standards Australia. 1997. Timber — Stress-graded — Product Requirements for Mechanically Stress-Graded Timber. AS/NZS, 1748:1997
14. Standards Australia. 2000. Timber — Methods of Test — Density. AS/NZS 1080.3:2000.
15. Tsehaye, A., Buchanan, A. H., and Walker, J. C.F., 2000. Sorting of logs using acoustics. Journal of Wood Science and Technology, 34:337–344.
16. Walker, J. C.F., and Nakada, R., 1999. Understanding corewood in some softwoods:a selective review on stiffness and acoustics. International Forestry Review, 1:251–259.
17. Zobel, B. J., and Sprague, J. R., 1998. Juvenile Wood in Forest Trees. 300Berlin:Springer-Verlag.