Official Journal of the Japan Wood Research Society
From: Experimental study on partial compression parallel to grain of solid timber
Statistics | Maximum stress fc,0 | ||||||||
---|---|---|---|---|---|---|---|---|---|
3-9 | 3-9p | 3-9pp | 6-9 | 6-9p | 6-9pp | 9-9 | 9-9p | 9-9pp | |
Number [−] | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Mean [N/mm2] | 30 | 27 | 27 | 29 | 29 | 26 | 28 | 27 | 27 |
CV[%] | 24 | 18 | 15 | 21 | 18 | 13 | 15 | 17 | 14 |
 | Longitudinal modulus of elasticity in full height Ef | ||||||||
Mean [N/mm2] | 3868 | 3435 | 3731 | 2750 | 2225 | 2483 | 1249 | 1267 | 1195 |
CV[%] | 24 | 41 | 23 | 44 | 11 | 38 | 18 | 27 | 37 |
 | Stress spreading kc | ||||||||
Mean [−] | – | 0.9 | 0.9 | – | 1.0 | 0.9 | – | 1.0 | 1.0 |
CV[%] | – | 20 | 15 | – | 10 | 13 | – | 6.3 | 3.7 |
 | Ratio of longitudinal modulus kE | ||||||||
Mean [−] | – | 1.0 | 1.0 | – | 1.0 | 1.1 | – | 1.0 | 1.0 |
CV[%] | – | 18 | 13 | – | 9.6 | 11 | – | 6.8 | 5.8 |