Title:
DEVICE AND METHOD FOR INSTALLING PILE ON BEDROCK
Document Type and Number:
Japanese Patent JP2017002532
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a device and a method for installing a pile in a bedrock by which a pile is installed while removing rock crushed by an impact from the pile installation with water jet, thereby preventing clogging by sediment of a tip nozzle on an introduction pipe from which the water jet is injected.SOLUTION: A pile 6 is installed in a bedrock R by driving with a vibration pile installation machine, the pile 6 having an introduction pipe 4 disposed adjacently and being installed by crushing the bedrock R with a tip of the pile 6 struck on the bedrock R by the vibration pile installation machine, while removing the crushed rock by water W injected from a tip nozzle 5 fitted at a tip of the introduction pipe 4. A cover body 2 is fitted on the pile 6 for closing an injection port 5a of the tip nozzle 5, and the pile 6 is installed in a sediment layer S above the bedrock R with the cover body 2 covering the injection port 5a of the tip nozzle 5. When installing the pile 6 in the bedrock R, the tip nozzle 5 is removed from the cover body 2 and the water W is injected from the tip nozzle 5 for removing the crushed rock.SELECTED DRAWING: Figure 4
Inventors:
TAGUCHI HIROBUMI
SHIMADA YOICHI
TATSUMI YUICHI
NAKAJIMA MICHIHIRO
SHIMADA YOICHI
TATSUMI YUICHI
NAKAJIMA MICHIHIRO
Application Number:
JP2015116271A
Publication Date:
January 05, 2017
Filing Date:
June 09, 2015
Export Citation:
Assignee:
TOA HARBOR WORKS CO LTD
OHBAYASHI CORP
JFE STEEL CORP
GANKEN:KK
OHBAYASHI CORP
JFE STEEL CORP
GANKEN:KK
International Classes:
E02D7/18; E02D7/24
Domestic Patent References:
| JPS5713690B2 | 1982-03-18 | |||
| JPH07279158A | 1995-10-24 | |||
| JPH10280407A | 1998-10-20 | |||
| JPH0242790Y2 | 1990-11-14 | |||
| JPS5760935U | 1982-04-10 | |||
| JP2004124505A | 2004-04-22 | |||
| JPS6120107Y2 | 1986-06-17 | |||
| JPS6123072Y2 | 1986-07-10 |
Foreign References:
| US5927329A | 1999-07-27 |
Attorney, Agent or Firm:
Seiryu International Patent Service Corporation
Takayoshi in the daytime
Masao Sakaizawa
Isao Hirai
Takayoshi in the daytime
Masao Sakaizawa
Isao Hirai