Experimental Investigation on the Behavior of Iron Powder-Reinforced Sand under Electromagnetic Field

Table 6

Friction angle and cohesive coefficient.

Type of the specimen	Friction angle, ϕ (°)		Cohesive coefficient, c (psi)
	Nonrotated method	Rotated method	Nonrotated method	Rotated method
Sand at 60% Dr	35.082	35.080	0.004	0.001
Iron-powdered sand at 60% Dr	35.686	35.683	0.031	0.818
Iron-powdered sand at 60% Dr and 0.5 A	35.799	35.785	0.220	1.322
Iron-powdered sand at 60% Dr and 1 A	36.408	36.404	0.374	1.361
Iron-powdered sand at 60% Dr and 2 A	37.543	37.544	1.044	3.857
Sand at 80% Dr	37.413	37.415	0.005	−0.0001
Iron-powdered sand at 80% Dr	37.608	37.581	0.372	0.573
Iron-powdered sand at 80% Dr and 0.5 A	38.007	37.981	0.727	3.09
Iron-powdered sand at 80% Dr and 1 A	39.276	39.167	0.738	3.104
Iron-powdered sand at 80% Dr and 2 A	38.716	39.538	0.752	3.721