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