Research Article
Numerical Simulation Research and Application of Support Design of Broken Rock Mass in Submarine Gold Mine
Table 3
Estimation results of physical and mechanical parameters of fractured rock mass in the southwest wing.
| Position | Density (t/m3) | Uniaxial compressive strength (MPa) | Tensile stress (MPa) | Elastic modulus (GPa) | Poisson’s ratio | Intensive parameter | c/MPa | φ/(°) |
| −200 m | 2.718 | 9.58 | 0.08 | 5.5 | 0.235 | 2.90 | 35.7 | −240 m | 8.87 | 0.07 | 5.3 | 2.83 | 35.1 | −280 m | 2.722 | 8.68 | 0.18 | 4.4 | 0.230 | 3.45 | 36.3 | −320 m | 8.55 | 0.27 | 4.5 | 3.49 | 36.6 | −360 m | 2.748 | 16.24 | 1.99 | 10.4 | 0.220 | 6.95 | 39.3 | −400 m | 17.74 | 2.11 | 11.8 | 7.06 | 39.8 | −440 m | 18.86 | 5.54 | 13.4 | 7.40 | 40.6 |
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