Experimental Study on Sand Inrush Hazard of Water-Sand Two-Phase Flow in Broken Rock Mass

<div>Schematic and physical diagram of the experimental system. (a) Schematic diagram and module physical diagram of the system; (b) physical penetrometer; (c) MTS816 system. <i>Note</i>: 1: base; 2: base inlet; 3: seepage plate; 4: pressure-bearing ring; 5: layered bulkheads; 6: main cylinder; 7: piston; 8: water and sand collection tray; 9: sand area; 10: broken rock mass; 11: water and sand outlet.</div>

Geofluids

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Figure 4

Figure 4: Experimental Study on Sand Inrush Hazard of Water-Sand Two-Phase Flow in Broken Rock Mass 