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

Table 3

The fitting parameter.

(kPa)	Sand (kPa)	Iron-powdered sand (kPa)	Iron-powdered sand under 0.5 A (kPa)	Iron-powdered sand under 1 A (kPa)	Iron-powdered sand under 2 A (kPa)
d at 60% relative density
103	61.77	54.18	59.03	67.01	64.64
206	138.25	130.01	148.96	129.76	159.71
310	189.05	205.85	216.72	196.42	243.50
d at 80% relative density
103	58.96	67.91	86.09	91.19	93.30
206	169.67	171.83	168.42	190.48	237.16
310	194.13	219.43	239.95	286.44	309.82
e at 60% relative density
103	0.0089	0.0051	0.0055	0.008	0.0062
206	0.0127	0.0095	0.0140	0.0077	0.0144
310	0.0124	0.0125	0.0112	0.0102	0.0163
e at 80% relative density
103	0.030	0.010	0.014	0.0138	0.015
206	0.020	0.015	0.013	0.016	0.02
310	0.010	0.0111	0.012	0.019	0.019
f at 60% relative density
103	−212.69	−138.50	−195.51	−263.63	−246.68
206	−546.91	−469.56	−537.34	−445.84	−591.54
310	−556.91	−750.52	−881.63	−679.92	−882.90
f at 80% relative density
103	−556.90	−207.54	−368.15	−419.67	−411.32
206	−577.91	−689.71	−650.82	−758.04	−1153.73
310	−590.40	−770.31	−831.82	−1116.84	−1399.20