Geofluids / 2020 / Article / Fig 2

Research Article

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

Figure 2

Experimental apparatus: (a) data acquisition system, (b) vacuum pump, (c) conveyance and flux control system and test cell, and (d) schematic (S1: computer; S2: servomotor; S3, S4: pressure sensor; S5: air compressor; S6: water pump; S7: measurement cell; S8: vacuum pump; V1/V2/V3: pressure-regulating valve; V4: emptying valve; V5: pump out valve; V: globe value. (1) Air inlet hole for axial pressure load; (2) air cylinder for axle load; (3) plunger of axle load; (4)/(13) water inlet (outlet); (5), (11) clamp; (6), (12) cone shape press ram; (7), (10) porous plate; (8) sample; (9.) air inlet hole for confining pressure load).
(a)
(b)
(c)
(d)

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