Research Article
Related Rule Study of Subcritical Crack Growth and Threshold Values in Transversely Isotropic Slates
| β | Specimen no. | | |
| 0° | 0-1 | 3.268 | 0.789 | 0-2 | 3.331 | 0.784 | 0-3 | 3.239 | 0.764 | Average | | 3.279 | 0.779 | 30° | 1-1 | 2.218 | 0.704 | 1-2 | 2.218 | 0.739 | 1-3 | 2.621 | 0.901 | Average | | 2.352 | 0.781 | 45° | 2-1 | 1.348 | 0.518 | 2-2 | 1.440 | 0.529 | 2-3 | 1.345 | 0.511 | Average | | 1.378 | 0.520 | 70° | 3-1 | 1.548 | 0.530 | 3-3 | 1.713 | 0.618 | Average | | 1.631 | 0.574 | 80° | 4-1 | 1.838 | 0.686 | 4-2 | 1.638 | 0.642 | 4-3 | 2.016 | 0.672 | Average | | 1.838 | 0.661 | 90° | 5-1 | 2.391 | 0.759 | 5-2 | 2.240 | 0.772 | 5-3 | 2.166 | 0.774 | Average | | 2.266 | 0.768 |
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