Research Article
Impact of In Situ Stress Distribution Characteristics on Jointed Surrounding Rock Mass Stability of an Underground Cavern near a Hillslope Surface
Table 2
Physicomechanical parameters of the surrounding rock mass and four weathering zones.
| | Classifications of rock mass | Natural density
(g/cm3) | Young’s modulus
(GPa) | Poisson’s ratio |
| | Intact rock mass | 2,610 | 40 | 0.20 | | Weathering layer number 1 | 2,385 | 32 | 0.21 | | Weathering layer number 2 | 2,160 | 16 | 0.22 | | Weathering layer number 3 | 1,935 | 8 | 0.23 | | Weathering layer number 4 | 1,710 | 4 | 0.25 |
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