Experiment on Seepage Property and Sand Inrush Criterion for Granular Rock Mass

Figure 8

Detailed design of the seepage testing apparatus. Notes. 1-quick coupling for water inlet, 2-piston, 3,9-O-shaped rubber seal rings, 4-Aeolian sand, 5-sand storage tank, 6-specimen of granular rock mass, 7-cylinder cell, 8-felt filtration chest, 10-base plate, 11-screw, and 12-water outlet.