Sample Rocks Tests and Slope Stability Analysis of a Mine Waste Dump

Table 1

Parameters of waste rocks measured from in situ survey.

Sample pit	Volume (L)	Grain size distribution										Total weight (kg)	Max grain size (cm)	Natural density (g/cm³)	Natural water content (%)	Natural repose angle (°)
		d < 2 cm		2 cm ≤ d < 5 cm		5 cm ≤ d < 10 cm		10 cm ≤ d < 20 cm		20 cm ≤ d < 40 cm
		Weight (kg)	Percentage (%)	Weight (kg)	Percentage (%)	Weight (kg)	Percentage (%)	Weight (kg)	Percentage (%)	Weight (kg)	Percentage (%)
J-1	231.3	161.50	29.51	202.86	37.06	111.28	20.33	39.68	7.25	32.02	5.85	547.34	37	2.37	5.26	37
J-2	180.3	104.36	27.18	127.10	33.11	64.76	16.87	59.00	15.37	28.70	7.48	383.92	31	2.13	3.14
J-3	148.2	95.02	32.44	97.50	33.29	41.54	14.18	41.54	14.18	7.86	2.68	292.92	31	1.98	3.68
N-1	123.9	137.64	46.19	91.44	30.69	31.34	10.52	29.34	9.85	8.22	2.76	297.98	28	2.41	6.38
N-2	140.5	176.52	57.04	94.08	30.40	21.28	6.88	17.56	5.67	-	-	309.44	19	2.20	3.29
N-3	148.68	112.48	34.48	126.50	38.77	60.32	18.49	16.08	4.93	10.88	3.33	326.26	29	2.19	2.89