Table 1 Basic statistics of total diversity in specific gravity (γ), specific modulus of elasticity (E′/γ) and damping coefficient (tanδ), between specimens and between wood types
| N | γ | E′/γ (GPa) | tanδ (10−3) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Range | Mean | CV (%) | Range | Mean | CV (%) | Range | Mean | CV (%) | ||
Specimen level | ||||||||||
All specimens | 1,792 | 0.21–1.38 | 0.84 | 26 | 4.6–34.1 | 18.5 | 33 | 3.3–20.6 | 7.1 | 41 |
Representative of wood types | 1,317 | 0.21–1.38 | 0.86 | 28 | 4.6–34.1 | 19.7 | 30 | 3.3–20.6 | 6.9 | 44 |
Wood type level | ||||||||||
All wood types | 98 | 0.22–1.31 | 0.81 | 31 | 6.3–32.7 | 20.0 | 32 | 3.9–18.7 | 7.7 | 42 |
Normal heartwood | 78 | 0.22–1.31 | 0.83 | 30 | 9.0–32.2 | 20.0 | 29 | 3.9–18.7 | 7.4 | 43 |