Official Journal of the Japan Wood Research Society
Table 1 Growth traits and wood properties of sample trees
No. | Age | DBH (cm) | H (m) | H/D | Juvenile wood (rings < 14) | Mature wood (15Â < rings) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
TL (mm) | MFA (°) | Density (kg/m3) | E b (GPa) | σ b (MPa) | TL (mm) | MFA (°) | Density (kg/m3) | E b (GPa) | σ b (MPa) | |||||
1 | 37 | 16.7 | 14.2 | 85 | 2.2 (0.3) | 10.2 (6.8) | 411 (29) | 14.8 (2.7) | 116 (18) | 2.5 (0.1) | 8.1 (1.5) | 387 (14) | 13.9 (1.5) | 107 (11) |
2 | 16.8 | 14.2 | 85 | 2.1 (0.8) | 15.7 (9.6) | 410 (21) | 10.9 (2.4) | 90 (4) | 2.8 (0.1) | 8.2 (1.2) | 400 (13) | 15.5 (0.0) | 112 (2) | |
3 | 20.3 | 16 | 79 | 2.2 (0.6) | 22.4 (7.7) | 458 (17) | 7.7 (1.9) | 94 (9) | 3.1 (0.2) | 10.2 (3.1) | 446 (17) | 13.1 (1.9) | 98 (17) | |
4 | 17.7 | 13.7 | 77 | 1.9 (0.3) | 20.0 (4.5) | 387 (12) | 6.8 (1.4) | 80 (7) | 2.8 (0.2) | 13.5 (2.4) | 383 (12) | 11.2 (1.1) | 92 (2) | |
5 | 19.6 | 15.1 | 77 | 2.2 (0.1) | 11.5 (2.0) | 411 (29) | 11.6 (2.4) | 101 (10) | 2.8 (0.3) | 10.6 (1.7) | 387 (14) | 13.1 (0.3) | 99 (2) | |
6 | 22.6 | 15.2 | 67 | 2.2 (0.4) | 16.6 (6.6) | 393 (22) | 9.7 (2.1) | 81 (10) | 3.0 (0.1) | 8.3 (2.8) | 383 (7) | 11.6 (1.0) | 90 (4) | |
7 | 22.7 | 15.2 | 67 | 2.5 (0.8) | 15.3 (5.2) | 435 (35) | 11.4 (0.5) | 91 (3) | 3.6 (0.2) | 8.5 (0.8) | 391 (11) | 14.6 (0.3) | 102 (8) | |
8 | 25.3 | 16.8 | 66 | 2.2 (0.5) | 19.1 (7.5) | 467 (29) | 8.9 (1.1) | 92 (14) | 3.1 (0.1) | 10.9 (0.6) | 417 (13) | 11.0 (1.5) | 96 (6) | |
9 | 30.8 | 17.8 | 58 | 2.4 (0.5) | 21.4 (7.0) | 377 (46) | 7.7 (0.5) | 72 (6) | 3.4 (0.3) | 11.0 (2.6) | 325 (17) | 9.0 (1.1) | 74 (5) | |
10 | 30.2 | 16.6 | 55 | 2.4 (0.3) | 19.3 (6.4) | 404 (35) | 7.9 (1.3) | 75 (10) | 2.8 (0.2) | 9.9 (1.0) | 359 (7) | 11.1 (0.7) | 85 (7) | |
11 | 29.2 | 15.9 | 54 | 1.7 (0.3) | 32.0 (10.1) | 377 (18) | 6.9 (1.6) | 77 (11) | 2.8 (0.2) | 15.2 (0.4) | 333 (9) | 8.7 (0.9) | 76 (9) | |