Research Article
New Chemical Grouting Materials and Rapid Construction Technology for Inclined Shaft Penetrating Drift-Sand Layer in Coal Mine
Table 3
Main properties of the cured material.
| Category | Mechanical characteristics |
| Density | 1.6938 g/cm3 | Compressive strength | 10.38∼13.09 MPa | Strength of extension | 0.32∼0.53 MPa | Elasticity modulus | 401.37∼490.64 MPa | Poisson’s ratio | 0.447∼0.846 | Cohesion | 0.866 MPa | Internal friction angle | 49.38° |
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