Influencing Factors of Interfacial Behavior between Geogrid and Coal Gangue

Table 3

Test cases.

Cases	Geogrid condition	Shear rate (mm/min)	Normal stress (kPa)	Maximum shear displacement (mm)
Case 1	No grid	1		60
Case 2	100% transverse ribs	1	25
Case 3	100% transverse ribs	3	50
Case 4	100 %transverse ribs	5	100
Case 5	75% transverse ribs	5	150
Case 6	50% transverse ribs	5