Research Article
Numerical Simulation Research and Application of Support Design of Broken Rock Mass in Submarine Gold Mine
Table 5
Value of main parameters in numerical simulation.
| | Material categories | Density (t/m3) | Elastic modulus
(GPa) | Poisson’s ratio | Tensile stress
(MPa) | Cohesion (MPa) | Internal friction angle (°) |
| | −360 m rock | 2.748 | 10.4 | 0.220 | 1.99 | 6.95 | 39.3 | | Bolt | 7.85 | 200 | 0.28 | 390 | | | | Metal mesh-sprayed concrete | 2.50 | 40 | 0.25 | 2.70 | | |
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