Dynamic modulus of elasticity and bending properties of young Taiwania trees grown with different thinning and pruning treatments

Journal of Wood Science

Volumn 51, Issue 1, 2005, Pages 1-6

  Wang, Song Yung ^a   Lin, Cheng Jung ^b   Chiu, Chih Ming ^b   Chen, Jin Hau ^a   Yung, Te Hsin ^a  

^a NATIONAL TAIWAN UNIVERSITY   (Taiwan)

^b TAIWAN FORESTRY RESEARCH INSTITUTE   (Taiwan)

Author keywords

Bending strength; Dynamic elasticity; Pruning; Taiwania; Thinning; Ultrasonic wave

Indexed keywords

BENDING STRENGTH; ELASTICITY; LUMBER; ULTRASONIC WAVES;

HEAVY PRUNING; STATIC BENDING TESTS; TAIWANIA TREES;

FORESTRY;

BEND STRENGTH; ELASTIC STRENGTH; LUMBER; PRUNING; RUPTURE MODULUS; TAIWANIA; THINNING;

TAIWANIA; TAIWANIA CRYPTOMERIOIDES;

EID: 17044372051     PISSN: 14350211     EISSN: None     Source Type: Journal    
DOI: 10.1007/s10086-004-0622-6     Document Type: Article

References (23)

1. Zobel BJ, van Buijtenen JP (1989) Wood variation its cause and control. Bruhlsche Universitatsdruckerei, Giessen, Springer, Berlin Heidelberg New York, pp 318-248
2. Wang SY, Chiu CM, Lin CJ (2003) Application of the drilling resistance method for annual ring characteristics evaluation of Taiwania (Taiwania cryptomerioides Hay.) trees grown in different thinning and pruning treatments. J Wood Sci 49:116-124
3. Wang SY, Lin CJ, Chiu CM (2003) Effects of thinning and pruning on knots and lumber recovery of Taiwania (Taiwania cryptomerioides Hay.) planted in the Alu-Kuei area. J Wood Sci 49:444-449
4. Wang SY, Chen KN (1992) Effects of plantation spacings on tracheid lengths, annual-ring widths, and percentages of latewood and heartwood of Taiwan-grown Japanese cedar (in Japanese). Mokuzai Gakkaishi 38:645-656
5. Koga S, Oda K, Tsutsumi J, Fujimoto T (1997) Effect of thinning on the wood structure in annual growth rings of Japanese larch (Larxi leptolepsis). IAWA J 18:281-290
6. Cown DJ (1974) Comparison of the effects of two thinning regimes on some wood properties of radiata pine. NZ J Forest Sci 4:540-551
7. Erickson HD, Harrison AT (1974) Douglas-fir wood quality studies. V. Effects of age and stimulated growth on wood density and anatomy. Wood Sci Technol 8:207-226
8. Barbour RJ, Foyle DC, Chauret G, Cook JA, Karsh MB, Ran S (1994) Breast height relative density and radial growth in mature Jack pine (Pinus banksiana) for 38 years after thinning. Can J Forest Res 24:2439-2447
9. Nicholls JWP (1971) The effects of environmental factors on wood characteristics. 2. The effect of thinning and fertilizer treatment on the wood of Pinus pinaster. Silvae Genet 20:67-73
10. Cown DJ (1973) Effects of severe thinning and pruning treatments on the intrinsic wood properties of young radiata pine. NZ J Forest Sci 3:379-389
11. Trylor FW, Barton JD (1982) Growth ring characteristics, specific gravity, and fiber length of rapidly grown loblolly pine. Wood Fiber Sci 14:204-210
12. Moschler WW, Dougal EF, McRae DD (1989) Density and growth ring characteristics of Pinus taeda L. following thinning. Wood Fiber Sci 21:313-319
13. Megraw RA, Nearn WT (1972) Detailed DBH density profiles of several trees from Douglas-fir fertilizer/thinning plots. Proceedings of Symposium on the Effect of Growth Acceleration on the Properties of Wood. USDA Forest Service, Madison, WI, 22 pp
14. Lin CJ, Wang SY, Chiu CM (2005) Assessment of crushing strength in Taiwania using the fractometer. Forest Prod Ind 23 (in press)
15. Wang SY, Chiu CM (1993) Wood properties of Japanese cedar originated by seed and vegetative reproduction in Taiwan VI. Compression and bending properties (in Japanese). Mokuzai Gakkaishi 39:1128-1139
16. Zobel BJ, Sprague JR (1998) Juvenile wood in forest trees. Springer, Berlin Heidelberg New York, pp 26-38
17. Wang SY, Lin SH (1996) Effects of plantation spacing on the quality of visually graded lumber and mechanical properties of Taiwan-grown Japanese cedar (in Japanese). Mokuzai Gakkaishi 42:435-444
18. Wang SY, Ko CY (1998) Dynamic modulus of elasticity and bending properties of large beams of Taiwan-grown Japanese cedar from different plantation spacing sites (in Japanese). Mokuzai Gakkaishi 44:62-68
19. Lin CJ, Shin NY, Wang SY (1992) Studies on the lumber grades and bending properties of Japanese cedar and China fir plantation trees. Q J Exp Forest NTU 6:71-101
20. Mishiro A (1996) Effect of density on ultrasonic velocity in wood (in Japanese). Mokuzai Gakkaishi 42:887-894
21. Li MC (1992) Nondestructive testing of wood strength by tap tone method. Masters Thesis, Department of Forestry, National Chung-Hsing University, Taichung, Taiwan, p 28
22. Tanaka T (1988) Evaluation of strength by non-destructive test application for sugi wood attacked by borer-insect (in Japanese). Wood Ind 43:20-25
23. Nanami N, Nakamura N, Arima T, Okuma M (1992) Measuring the properties of standing trees with stress waves I. The method of measurement and the propagation path of the waves (in Japanese). Mokuzai Gakkaishi 38:739-746