Table 1 Test scheme for cyclic loading and unloading of combination samples.
From: Experimental study on loading combination of filling body and surrounding rock
Combination type | Lithology | Height ratio | Lower cycle load(kN) | Loading and unloading rate(kN/s) | Maximum additional load per cycle (kN) |
|---|---|---|---|---|---|
SM-FL | SM, FL | 2:3, 1:1, 3:2 | 6 | 0.05 | 1 |
FL-M | FL, M | 2:3, 1:1, 3:2 | 6 | 0.05 | 1 |
SM-FL-M | SM, FL, M | 1:2:2, 3:4:3, 2:2:1 | 6 | 0.05 | 1 |
SM-FL + C-M | SM, FL, C, M | 1:1:1:2, 3:2:2:2, 2:1:1:1 | 6 | 0.05 | 1 |