Experimental Investigation of the Effects of the Gangue Particle Size on the Evolution Rules of Key Seepage Parameters

Figure 3

Picture of the experimental seepage system.

(a) Permeameter

(b) Cylinder tube

(c) Bottom support

(d) Piston

(e) Porous plate

(f) Sealing ring

(g) Balance structure

(h) Bearing column

(i) Overflow barrel