Geofluids / 2020 / Article / Fig 6

Research Article

Experimental Investigation of Water–Sand Mixed Fluid Initiation and Migration in Porous Skeleton during Water and Sand Inrush

Figure 6

Experimental materials: Aeolian sand: (a) 0.075–0.15 mm, (b) 0.15–0.3 mm, and (c) 0.3–0.6 mm; river sand: (d) 0.6–1.0 mm, (e) 1.0–2.0 mm, and (f) 2.0–2.36 mm; quartz sand: (g) 4.75–9.5 mm; and steel balls: (h) 14 mm.
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(b)
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(e)
(f)
(g)
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