To provide an investigation method for a cast-in-place pile driving ground and a ground investigation machine attachment, by which work man-hours are decreased and the bearing capacity of a ground can be accurately grasped.
A ground is drilled at a position where a cast-in-place pile is driven by using a casing rod 11 and the upper end and the lower end of a protective pipe 6 extended to the hole bottom of a drill hole H with the casing rod 11 built in are held at a prescribed position, while an automatic ram sounding investigation machine 1 is installed at a position above the drill hole H in a state that a rod 3 is inserted in the protective pipe 6, and setting is completed. Then, the rod 3 is struck by a hammer 2 and the ground is investigated by the investigation machine 1.
TAGUCHI HIROBUMI
IGARASHI HIROKO
JP2007255012A | 2007-10-04 | |||
JPS56150212A | 1981-11-20 | |||
JP2001064954A | 2001-03-13 | |||
JP2003213661A | 2003-07-30 | |||
JP2003321828A | 2003-11-14 | |||
JP2000080635A | 2000-03-21 | |||
JPH11222839A | 1999-08-17 |
Takashi Noguchi
Takayoshi in the daytime
Kenji Sato
Isao Hirai
Masao Sakaizawa
Kazuhiko Saishita
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