Table 3 Changes of mechanical parameters of tailings sand under different oxidation degrees.
From: Micro-structure and morphology of tailings sand under different oxidation and acidification degree
Material parameters | Oxidation and acidification degree % | ||||
|---|---|---|---|---|---|
0 | 25 | 50 | 75 | 100 | |
c/kPa | 6.8 | 5.6 | 5.16 | 4.2 | 2.68 |
φ/° | 31.8 | 31.3 | 31.2 | 30.5 | 29.5 |