Influence of Dynamic Load on Soil Moisture Field in the Process of Freeze-Thaw Cycles

Figure 3

System of the modelling test: 1: cooling fan, 2: thermistors, 3: air hammer, 4: vibrating bottom plate, 5: soil sample, 6: insulation material, 7: compressor, 8: cork, 9: drain, 10: water supplement cabin, 11: bottom plate, 12: water supplement plate, 13: copper pipe, 14: copper pipe inlet, 15: copper pipe outlet, 16: cryostat, 17: the base, 18: water inlet, 19: draining system, 20: water level inline, 21: water supply system, 22: data acquisition system, 23: intake pipe, 24: relay, 25: solenoid wave, and 26: air compressor.