Official Journal of the Japan Wood Research Society
Table 1 Number of sample and density of each grade dimensional lumber
From: A determination method of compressive design value of dimensional lumber
Grade | No. | Density | |
|---|---|---|---|
AVG (kg/m3) | COV (%) | ||
Ic | 418 | 647 | 10.9 |
IIc | 207 | 649 | 11.0 |
IIIc | 274 | 649 | 11.5 |
IVc | 150 | 658 | 11.0 |