Research Article
Physical Modeling of Displacement and Failure Monitoring of Underground Roadway in Horizontal Strata
Table 2
Mechanical parameters of the physically finite elemental slab assemblage.
| | Group | Unit size (cm) | Water-gypsum ratio | Volume weight (kN/m3) | Compressive strength (MPa) | Tensile strength (MPa) | Elastic modulus (GPa) | Poisson’s ratio |
| | Diabase | 40 × 40 × 3 | 0.8 : 1 | 10.45 | 9.58 | 0.99 | 3.35 | 0.12 | | Green schist | 40 × 40 × 2 | 1 : 1 | 9.83 | 5.50 | 0.54 | 2.02 | 0.24 | | Coal | 40 × 40 × 1 | 1.2 : 1 | 7.46 | 2.14 | 0.22 | 0.75 | 0.35 |
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