Official Journal of the Japan Wood Research Society
Type | W.S. | \(b_{\text{r}}\) [mm] | \(\rho\) [\({\text{kg/m}}^{ 3}\)] | \(M_{\text{max} }\) [kN mm] | \(M_{\text{y}}\) [kN mm] | \(K\) [k Nm/rad.] | ||||
---|---|---|---|---|---|---|---|---|---|---|
Ave. | SD | Ave. | SD | Ave. | SD | Ave. | SD | |||
Rs | Si | 12 | 936 | 32.9 | 741 | 54.8 | 454 | 121 | 13.7 | 1.82 |
18 | 946 | 17.3 | 816 | 131 | 570 | 23.2 | 14.5 | 0.780 | ||
24 | 928 | 21.1 | 827 | 157 | 512 | 134 | 18.2 | 5.00 | ||
K | 12 | 546 | 34.3 | 650 | 82.1 | 372 | 33.8 | 12.5 | 3.23 | |
18 | 543 | 29.6 | 641 | 108 | 374 | 61.6 | 11.0 | 1.86 | ||
24 | 551 | 13.8 | 618 | 60.1 | 339 | 8.68 | 17.8 | 10.3 | ||
H | 12 | 434 | 3.93 | 695 | 15.3 | 408 | 51.9 | 11.3 | 2.62 | |
18 | 425 | 10.4 | 691 | 49.5 | 425 | 53.0 | 14.3 | 5.22 | ||
24 | 437 | 14.2 | 743 | 83.5 | 503 | 122 | 10.3 | 0.874 | ||
Rl | Si | 12 | 936 | 32.9 | 974 | 46.4 | 600 | 48.9 | 20.0 | 1.11 |
18 | 946 | 17.3 | 1034 | 145 | 563 | 84.5 | 17.7 | 2.14 | ||
24 | 928 | 21.1 | 1214 | 146 | 755 | 125 | 19.4 | 2.78 | ||
K | 12 | 546 | 34.3 | 778 | 128 | 445 | 89.6 | 17.3 | 4.75 | |
18 | 543 | 29.6 | 853 | 129 | 475 | 72.1 | 22.0 | 2.28 | ||
24 | 551 | 13.8 | 729 | 63.3 | 443 | 31.9 | 15.8 | 3.66 | ||
H | 12 | 434 | 3.93 | 771 | 126 | 438 | 86.1 | 16.7 | 3.02 | |
18 | 425 | 10.4 | 757 | 61.8 | 436 | 42.4 | 15.6 | 2.86 | ||
24 | 437 | 14.2 | 720 | 82.3 | 432 | 45.4 | 13.7 | 2.44 |