岩石类别 | 重度(kN/m3) | 粘聚力(MPa) | 内摩擦角(˚) | 抗拉强度(MPa) | 变形模量f1 (MPa) | 泊松比υ |
坚硬岩 | 24.5~26.5 | >1.80 | >44 | >0.75 | >4500 | <0.20 |
较硬岩 | 23.0~25.0 | 1.00~1.80 | 41~44 | 0.50~0.75 | 2500~4500 | 0.10~0.25 |
较软岩* | 24.0~25.0 | 0.50~1.00 | 36~41 | 0.25~0.50 | 1500~3000 | 0.20~0.30 |
软岩 | 23.5~25.0 | 0.25~0.50 | 30~36 | 0.15~0.25 | 1000~2000 | 0.25~0.33 |
极软岩 | 23.5~24.5 | <0.25 | <30 | <0.15 | <1000 | >0.33 |