Acoustic segregation of Pinus radiata logs for sawmilling

New Zealand Journal of Forestry Science

Volumn 34, Issue 2, 2004, Pages 175-189

  Dickson, R L ^a   Matheson, A C ^b   Joe, B ^a   Ilic, J ^b   Owen, J V ^b  

^a State Forests of New South Wales   (Australia)

^b CSIRO   (Australia)

Author keywords

Acoustic tools; Log sorting; Non destructive testing; Pinus radiata; Sawmilling

Indexed keywords

ACOUSTIC DEVICES; NONDESTRUCTIVE EXAMINATION; SAWMILLS; SOFTWOODS; STIFFNESS; WOOD PRODUCTS;

ACOUSTIC SEGREGATION; NON-DESTRUCTIVE ACOUSTIC DEVICES; SAWMILLING; SOUND FLIGHT VELOCITY;

LOGGING (FORESTRY);

ACOUSTIC METHOD; QUALITATIVE ANALYSIS; WOOD QUALITY;

LOGS; NONDESTRUCTIVE TESTS; PINUS RADIATA; SEPARATION; STIFFNESS; WOOD PRODUCTS;

PINUS RADIATA;

EID: 16344366927     PISSN: 00480134     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (15)

1. ANDREWS, M. 2000: Where are we with sonics? Pp. 57-61 in "Capturing the Benefits of Forestry Research: Putting Ideas to Work". Wood Technology Research Centre Workshop, University of Canterbury, October 2000.
2. CARTER, P.; LAUSBERG, M. 2002: Application of Hitman acoustic technology: The Carter Holt Harvey experience. In "Tools and Technologies to Improve Log and Wood Product Segregation", Forest Industry Engineering Association, 2nd Wood Quality Workshop, Melbourne, 20 March.
3. COWN, D.J. 1978: Comparison of pilodyn and torsiometer methods for the rapid assessment of wood density in living trees. New Zealand Journal of Forestry Science 8(3): 384-391.
4. DICKSON, R.L.; MATHESON, A.C. 1999: Management intervention points to improve the wood quality of current and future crops. In "Emerging Technologies for Wood Processing", Forest Industry Engineering Association, 3rd Wood Quality Symposium, Rotorua and Melbourne. 7 p.
5. DICKSON, R.L.; RAYMOND, C.A.; JOE, W.; WILKINSON, C.A. 2003: Segregation of Eucalyptus dunnii logs using acoustics. Forest Ecology and Management 179: 243-251.
6. MATHESON, A.C.; DICKSON, R.L.; SPENCER, D.J.; JOE, B.; ILIC, J. 2002: Successful segregation of Pinus radiata logs. Annals of Forest Science 59: 471-477.
7. ROSS, R.R. 1999: Using sound to evaluate standing timber. International Forestry Review 1(1): 43-44.
8. SAS INSTITUTE INC. 1987: SAS/Statistics Guide for Personal Computers, Version 6 Edn. SAS Institute, Cary, North Carolina, USA.
9. SNYDER, W.D.; KENT, E.C.; FLOYD, S.L.; JONES, L.H.; KENDALL, C.K.; PEARCE, B.B.; SHAW, E.; YANCEY, M.J. 2000: Log cutting optimisation. U.S. Patent Application, No. 6026 689. 12 p.
10. STANDARDS AUSTRALIA 1986: Timber - Softwood - Visually stress-graded for structural purposes. AS 2858:1986.
11. STANDARDS AUSTRALIA 1997a: Timber - Colours for marking F-grades. AS 1613-1997.
12. STANDARDS AUSTRALIA 1997b: Timber-Stress-graded -Product requirements for mechanically stress-graded timber. AS/NZS 1748:1997.
13. TRELOAR, C. 2002: Implementation of SWAT (Sonics) at Fletcher Challenge Forests stem processing facilities. In 2nd Wood Quality Workshop, Forest Industry Engineering Association, Melbourne. 20 March.
14. TSEHAYE, A.; BUCHANAN, A.H.; MEDER, R.; NEWMAN, R.H.; WALKER, J.C.F. 1997: Microfibril angle: determining wood stiffness in radiata pine. Pp. 323-336 in Butterfield, B.G. "The Proceedings of the IAWA/ IUFRO International Workshop on the Significance of Microfibril Angle to Wood Quality".
15. WALKER, J.C.F.; NAKADA, R. 1999: Understanding corewood in some softwoods: a selective review on stiffness and acoustics. International Forestry Review 1(4): 251-259.