Official Journal of the Japan Wood Research Society
Panel # | Elastic constants measured by dynamic method (MPa) | Elastic constants measured by static methods (MPa) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
FFFF | SFSF | Panel bending | Strip bending | G xy | |||||||
E x | E y | G xy | E x | E y | G xy | E x | E y | E x | E y | ||
DOSB1 | 6438 | 4200 | 1760 | 6194 | 3909 | 1638 | 6141 | 4099 | 4785 | 2970 | 1716 |
DOSB2 | 6664 | 4701 | 1867 | 6325 | 4066 | 1557 | 6151 | 4430 | 4681 | 2867 | 1804 |
DOSB3 | 6768 | 4562 | 1843 | 6291 | 3734 | 1522 | 5908 | 3960 | 5253 | 3111 | 1672 |
DOSB4 | 6269 | 4158 | 1739 | 5514 | 4147 | 1782 | 5618 | 3877 | 4499 | 2646 | 1530 |
DOSB5 | 6418 | 4312 | 1743 | 6520 | 3715 | 1779 | 6231 | 4008 | 5073 | 2897 | 1814 |
Mean | 6511 | 4387 | 1790 | 6169 | 3914 | 1656 | 6010 | 4075 | 4858 | 2898 | 1707 |
Diff. (%) | 8.3 | 7.7 | 4.9 | 2.6 | −3.9 | −3.0 | – | – | −19.2 | −28.9 | – |
DMDF1 | 3207 | 3282 | 1343 | 2750 | 2812 | 1148 | 2772 | 2670 | 2599 | 2297 | 1128 |
DMDF2 | 2854 | 2790 | 1188 | 2611 | 2321 | 1046 | 2434 | 2440 | 2331 | 2022 | 1062 |
DMDF3 | 2715 | 2766 | 1180 | 2252 | 2305 | 1040 | 2392 | 2468 | 2259 | 2072 | 1050 |
DMDF4 | 2636 | 2564 | 1100 | 2420 | 2662 | 970 | 2208 | 2430 | 2170 | 1862 | 1107 |
DMDF5 | 2865 | 2796 | 1171 | 2456 | 2663 | 969 | 2394 | 2405 | 2279 | 2112 | 1069 |
Mean | 2855 | 2840 | 1196 | 2498 | 2553 | 1035 | 2440 | 2483 | 2328 | 2073 | 1083 |
Diff. (%) | 17.0 | 14.4 | 10.5 | 2.4 | 2.8 | −4.5 | – | – | −4.6 | −16.5 | – |