Open Access
表3
随机变量的统计特性
| 随机变量 | 均值 | 标准差 | 变异系数 |
| E11/MPa | 1.27×105 | 2.16×109 | 0.017 |
| E22/MPa | 8.41×103 | 2.02×107 | 0.024 |
| v12 | 0.309 | 9.27×10-3 | 0.030 |
| G12/MPa | 4.21×103 | 1.26×108 | 0.030 |
| Gc/MPa | 1.50×102 | 7.68 | 0.051 |
| ft1/m | 3.10×10-4 | 1.71×10-5 | 0.055 |
| ft2/m | 3.10×10-4 | 1.71×10-5 | 0.055 |
| ft3/m | 3.10×10-4 | 1.71×10-5 | 0.055 |
| ct/m | 3.20×10-2 | 1.45×10-3 | 0.058 |
| ft4/m | 3.10×10-4 | 1.71×10-5 | 0.055 |
| ft5/m | 3.10×10-4 | 1.71×10-5 | 0.055 |
| ft6/m | 3.10×10-4 | 1.71×10-5 | 0.055 |
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