Official Journal of the Japan Wood Research Society
Table 5 Experimental results and model predictions of time to failure (\(\sigma = 33 \, \text{MPa}\))
Specimens/parameters | 2 | 8 | 4 | 5 | 7 | 9 | 10 | 11 | 12 | 14 |
|---|---|---|---|---|---|---|---|---|---|---|
\(t_{\text{r}}^{\text{m}}\) | 2.47 × 104 | 1.57 × 102 | 1.65 × 102 | 1.35 × 102 | 1.44 × 102 | 4.53 × 103 | 1.96 × 103 | 2.19 × 104 | 8.36 × 102 | 4.90 × 103 |
\(t_{\text{r}}^{{\text{ex}}}\) | 2.49 × 104 | 1.57 × 102 | 1.68 × 102 | 1.37 × 102 | 1.49 × 102 | 4.62 × 103 | 1.97 × 103 | 2.21 × 104 | 8.78 × 102 | 4.91 × 103 |
Err | 0.01 | 0.00 | 0.00 | 0.01 | 0.03 | 0.02 | 0.00 | 0.01 | 0.04 | 0.00 |
(\(\sigma = 33 \, \text{MPa}\)) | ||||||||||
Specimens/parameters | 15 | 16 | 17 | 18 | 19 | 20 | 22 | 23 | 25 | 27 | Means |
|---|---|---|---|---|---|---|---|---|---|---|---|
\(t_{\text{r}}^{\text{m}}\) | 6.27 × 103 | 3.84 × 106 | 7.10 × 105 | 4.35 × 105 | 3.42 × 105 | 8.31 × 104 | 6.96 × 105 | 8.16 × 106 | 6.6 × 106 | 1.03 × 107 | 1.63 × 106 |
\(t_{\text{r}}^{{\text{ex}}}\) | 6.21 × 103 | 3.8 × 106 | 7.12 × 105 | 4.34 × 105 | 3.43 × 106 | 8.47 × 104 | 6.93 × 105 | 8.19 × 106 | 6.63 × 106 | 1.04 × 107 | 1.64 × 106 |
Err | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 |