| 摘要 |
PROBLEM TO BE SOLVED: To provide a soil fixing fluid injection device which dispenses with a large-scale device, facilitates change of injection conditions such as an injection speed and an injection rate of a chemical, depending on an injection location, and is controllable such that desired injection conditions are set depending on the injection location over time. SOLUTION: The soil fixing fluid injection device is formed of double pipe injectors 20, pumps 30, and a control unit 50. The double pipe injectors each have injection pipe elevating means 28 which are located at a plurality of sites 11 at which the soil fixing fluid is to be injected. The pumps 30 are independent from each other and function to force-feeding a soil fixing fluid G to the double pipe injectors 20. The control unit 50 has: a driving control section for controlling driving of the injection pipe elevating means 28 of each double pipe injector 20, and the pumps 30; a setting section for setting driving and driving termination of the injection pipe elevating means 28 and the pumps 30 in chronological order; and a recording display section for recording and displaying a two-dimensional arrangement location (X-Y) and a three-dimensional location in a depth location (Z) of each double pipe injector 20, and an uninjected location and injected location of each three-dimensional location. COPYRIGHT: (C)2005,JPO&NCIPI
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