| 摘要 |
A removal method of a pile is provided to make construction easy, to shorten a period of construction and to reduce the cost of construction. A removal method of a pile buried under the ground comprises the steps of perforating the ground to be adjacent to a pile buried under the ground, disturbing the ground around the pile by spraying at least one of water and air using a water spray nozzle and an air injection nozzle according to the state of the perforated ground, the location of the pile and the penetration depth of the pile, and pulling up the pile from the ground using a pulling device such as a pulling rope, etc.(S30). |
