Table 3 Shear properties between materials used.

From: Analysis of compression damage pattern and strength influencing factors in graphite-tailing-filled soilbags

Geotextile mass per unit area (g/m2)

80

200

300

Shear strength index

Cohesive (kpa)

Friction angle (°)

Cohesive (kpa)

Friction angle (°)

Cohesive (kpa)

Friction angle (°)

Geosynthetics and metal plate

0

11.61

0

12.21

0

13.84

Geosynthetics and geosynthetics

0

16.79

0

18.22

0

22.51

Geosynthetics and graphite tailing

0

23.48

1.36

26.23

2.27

27.02