Research Article

Experimental Investigation on the Mixture Ratio and Diffusion Performance of Grouting Materials for Water Bursting Prevention in Coal Mines

Figure 5

The experiment system of diffusion (a) diagram of devices and (b) experiment field. 1: electronic motor. 2: slurry tank. 3: pressure gauge. 4: soft pipe. 5: valve. 6: grout pipe. 7: loading platform. 8: load plug. 9: hydraulic valve. 10: pressure gauge. 11: hydraulic pump. 12: jack. 13: water tank. 14: water pipe. 15: water inlet. 16: nitrogen pipe. 17: nitrogen tank. 18: screw pump. 19: gas valve.
(a)
(b)