Research on Stability of an Open-Pit Mine Dump with Fiber Optic Monitoring

Table 5

Content of each grade of the indoor test.

S/N	Particle size range (d/mm)	Sieved quality (g)	Content (%)
1	d > 2	98	6.7
2	2 > d > 1	238	16.46
3	1 > d > 0.75	437	30.15
4	0.75 > d > 0.5	379	26.18
5	0.5 > d > 0.25	123	8.52
6	0.25 > d > 0.075	163	11.26
7	0.075 > d	10	0.73