Title:
PILE CONSTRUCTION METHOD
Document Type and Number:
Japanese Patent JP2021050516
Kind Code:
A
Abstract:
To provide a pile construction method and a retaining member for pile construction capable of precisely and smoothly pushing in a core member projected upward from an excavation hole in a vertical downward direction.SOLUTION: A pile construction method comprises the steps of; excavating an excavation hole 10 with a predetermined depth in the ground G; forming a column-like body made of soil cement 15 including air foam created with a foaming agent by agitating and mixing cement milk 13 and excavated soil 14 produced through the excavating step as injecting the cement milk in the excavating hole 10 in which a foaming agent has been added; inserting a long core member 16 in the excavation hole 10 by its own weight before solidification of the soil cement 15; and pushing-in the core member 16 in the excavation hole 10 by holding with a holding member 18 an upper end of the core member 16 in a state of projecting upward from the excavating hole 10 not to make an axis center of the core member 16 inclined from a vertical direction and moving the holding member 18 downward.SELECTED DRAWING: Figure 1
Inventors:
FUJII TAKEYUKI
Application Number:
JP2019173729A
Publication Date:
April 01, 2021
Filing Date:
September 25, 2019
Export Citation:
Assignee:
FUJII TAKEYUKI
International Classes:
E02D5/28; E02D5/20; E02D7/00; E02D11/00; E02D13/04
Domestic Patent References:
| JP3201385U | 2015-12-10 | |||
| JP2002138463A | 2002-05-14 | |||
| JP2006144357A | 2006-06-08 | |||
| JPS59192129A | 1984-10-31 | |||
| JPH028411A | 1990-01-11 | |||
| JPH0860653A | 1996-03-05 |
Attorney, Agent or Firm:
Naoya Kamata
Bunji Kamada
Yaichiro Nakatani
Masanori Akatsuka
Bunji Kamada
Yaichiro Nakatani
Masanori Akatsuka