Experimental Study on Grouting and Flow Characteristics of Rough Vertical Fractures

Figure 3

Diagram of the visual test device for fracture seepage. Picture of the experimental device. 1, test framework; 2, high-speed camera; 3, high-pressure pipe; 4, gas cylinder; 5, antiforce frame; 6, transparent resin; 7, motor test pump; 8, pressurized air cushion; 9, angle-adjusting instrument; 10, flow meter.