试验组 | AR2C1 | AR2C2 | AR2C3 | AR4C1 | AR4C2 | AR4C3 | AR6C1 | AR6C2 | AR6C3 |
内摩擦角(˚) | 34.155 | 33.819 | 34.148 | 33.265 | 32.943 | 32.790 | 32.809 | 32.645 | 32.426 |