Research Article
Numerical Modeling of Controlling a Floor Heave of Coal Mine Roadways with a Method of Reinforcing in Wet Soft Rock
Table 1
Input data for numerical modeling.
| | No. | Density (kg/m3) | Elastic modulus (MPa) | Poisson’s ratio | Angle of internal friction (deg) | Dilatancy angle (deg) | Cohesion (MPa) |
| | Surrounding rock mass (pseudoplastic zone) | | 1 | 2500 | 900 | 0.25 | 34 | 34 | 3 | | Wet rock mass (pseudoplastic zone) | | 2 | 2500 | 330-900 | 0.35-0.25 | 21-34 | 21-34 | 1-3 | | Reinforced floor rock | | 3 | 2500 | 1000-9000 | 0.2 | 34 | 34 | 3-8 |
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