| 摘要 |
PURPOSE:To evenly harden soft ground by a method in which a pump is provided to each of distribution pipes for grout and a proper amount of grout is supplied to each place to be stirred. CONSTITUTION:A plant ship 2 is put in a soft ground A and connected with tractors 1a and 1b, and stirring blades 3a-3c are provided to the upside of the plant ship 2. On a mobile float 6 connected to tractors 1c and 1d, an agitator 7 receiving a grout through a supply pipe 20 from a grout plant 15 and temporarily storing it, grout pumps 8a-8c supplying the grout through pipes 10a- 10c to stirring blades 3a-3c, and a generator 9 serving as a power source for them are mounted. Said plant ship 2 and mobile float 6 harden the ground of an area a while being moved in the directions of arrows E and P by the tractors 1a-1d, and gradually move to areas b, c, and d and harden the ground. |
