Study on Permeability of Soil-Rock Mixture in Water-Blocking Layer of Open-Pit Coal Mine Dump Site

Figure 3

Sieved soil and sandstone: (a) 0∼1 mm; (b) 1∼2 mm; (c) 2∼5 mm; (d) 5∼8 mm; (e) 8∼10 mm.

(a)

(b)

(c)

(d)

(e)