Official Journal of the Japan Wood Research Society
Table 1 Basic properties of the test materials
From: Effects of tightening speed on torque coefficient in lag screw timber joints with steel side plates
Conifer species | Density (kg/m3) | Moisture content (%) |
|---|---|---|
Cryptomeria japonica | ||
Ave. | 351 | 11.5 |
SD | 1.8 | 0.9 |
Chamaecyparis obtusa | ||
Ave. | 465 | 11.9 |
SD | 11.3 | 1.0 |
Pseudotsuga menziesii | ||
Ave. | 466 | 10.4 |
SD | 5.8 | 1.2 |