Study on the Effect of Flocculation and Sedimentation on the Mechanical Properties of Iron Tailing Sand

Table 4

Physical properties of tailing slurry before shearing and the angle of internal friction and cohesion after shearing.

Type	Average mass (g)	Density/(g·mL^−1)	Internal friction angle/(°)	Cohesion (kPa)
Raw tailings	109.47	1.82	15.28	29.587
Add 1.2 g·L^−1 PFS and 0.20 g·L^−1 APAM-800	97.73	1.63	17.46	35.401