| 摘要 |
PROBLEM TO BE SOLVED: To provide a pile driving method for suppressing an installation cost, and for easing restrictions on the length of a pile which can be pressed in and on the attitude of the pile when pressed in, resulting in improved working efficiency.SOLUTION: A hydraulic breaker 20 is mounted at the front end of an arm 5 of a construction vehicle 10, a press-in chisel 24 having a spherical part 26 at the front end of its shaft part is mounted on the hydraulic breaker 20, a striking head 30 is mounted encircling the spherical part 26 to allow the predetermined-angle tilt of the shaft part of the press-in chisel 24 and to allow the slide of the spherical part 26, and a pile K to be pressed in is pressed in while being supported at its upper end detachably fitted to the front end of the striking head 30 along the axial direction. |
