Official Journal of the Japan Wood Research Society
Table 1 Results of load factor and mechanical properties of joints
From: The load factor in bolted timber joints under external tensile loads
L (mm) | Ff (kN) |  | φ | K (kN/mm) | Pmax (kN) | δmax (mm) |
|---|---|---|---|---|---|---|
100 | 13 | Ave. | 0.038 | 238 | 42.8 | 1.69 |
SD | 0.0060 | 20.7 | 5.36 | 0.89 | ||
21 | Ave. | 0.029 | 256 | 39.9 | 0.78 | |
SD | 0.0100 | 17.8 | 0.77 | 0.05 | ||
30 | Ave. | 0.019 | 331 | 45.7 | 2.15 | |
SD | 0.0009 | 21.5 | 0.96 | 1.03 | ||
130 | 13 | Ave. | 0.042 | 251 | 44.1 | 3.55 |
SD | 0.0016 | 16.9 | 0.68 | 0.38 | ||
21 | Ave. | 0.032 | 266 | 43.7 | 3.31 | |
SD | 0.0181 | 63.6 | 0.44 | 0.26 | ||
30 | Ave. | 0.022 | 284 | 43.9 | 3.13 | |
SD | 0.0022 | 26.6 | 0.0026 | 0.19 | ||
160 | 13 | Ave. | 0.041 | 225 | 43.9 | 2.59 |
SD | 0.0117 | 37.9 | 0.84 | 0.10 | ||
21 | Ave. | 0.037 | 267 | 44.3 | 2.34 | |
SD | 0.0076 | 22.3 | 1.22 | 1.05 | ||
30 | Ave. | 0.032 | 275 | 44.1 | 2.24 | |
SD | 0.0067 | 29.9 | 0.45 | 0.62 | ||
190 | 13 | Ave. | 0.039 | 241 | 47.4 | 1.94 |
SD | 0.0081 | 47.1 | 1.34 | 0.36 | ||
21 | Ave. | 0.033 | 246 | 47.1 | 1.62 | |
SD | 0.0071 | 28.1 | 0.83 | 0.10 | ||
30 | Ave. | 0.035 | 234 | 47.6 | 1.89 | |
SD | 0.0051 | 41.0 | 2.29 | 1.02 |