Groundwater Level Distribution in Vacuum Dewatering Method in Phreatic Aquifer

Figure 4

Schematic diagram of the experimental device. (1) Air compressor, (2) vacuum generator, (3) vacuum pressure gauge, (4) water separator, (5) dewatering well, (6) gauge, (7) water sink, (8) waterhead control, (9) pipes, (10) water level monitoring device, and (11) ruler.