| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an efficient method for laying a pipe body below water bottom ground having a simple configuration and capable of preventing pollution in a peripheral water region due to work. SOLUTION: This method for laying the pipe body below the water bottom ground is constituted in such a way that a plow type excavator 1 having a plow in the front and connecting a tip of the pipe body with the rear of the plow is used, the plow type excavator 1 is suspended in the water 12 by a plurality of hoisting devices 11 suspended so as to adjust a height from a work barge 9 while a bottom face position of the plow type excavator 1 is at a predetermined position below water bottom face, and the plow type excavator 1 is pulled by a traction force 13 from fixed points on the shore, water or a water bottom to form a digged channel 4 on the water bottom ground in order to lay the pipe body 2 connected with the plow type excavator 1 in the digged channel 4.</p> |
