Research Article
Effect of Compressive Behaviours of Tail Salt Filling Materials on Roof Deformation in Potash Mine
| Name | Initial loading stress (MPa) | Initial loading force (kN) | Final loading force (kN) |
| S0 | 0 | 0 | 735 | S1 | 0.5 | 24.5 | 735 | S2 | 1.0 | 49 | 735 | S3 | 1.5 | 73.5 | 735 | S4 | 2.0 | 98 | 735 | S5 | 2.5 | 122.5 | 735 | S6 | 3.0 | 147 | 735 |
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