Effects of Groove Feature on Shear Behavior of Steel-Sand Interface

Table 7

Increasing extent of interface friction angle with groove width.

Groove angel (°)	Groove width (mm)				F (%)	G (%)	H (%)
	0	1	2	3
0	22.94	24.00	25.05	25.74	4.6	4.4	2.8
45	22.94	25.17	26.66	27.20	9.7	5.9	2.0
90	22.94	26.27	27.92	28.60	14.5	6.3	2.4