Title:
DRILLING METHOD AND CONSTRUCTION METHOD FOR CAST-IN-PLACE PILE
Document Type and Number:
Japanese Patent JP2016079745
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method that enables a hole with a diameter-enlarged part to be drilled on a narrow site.SOLUTION: In a drilling method for drilling a hole for constructing a cast-in-place pile, the hole is drilled in the ground by laterally emitting a jet of slurry and compressed air from a high-pressure injection nozzle 54 while rotating a rod 52 with the high-pressure injection nozzle 54 in the state of inserting the rod into the ground.SELECTED DRAWING: Figure 4
Inventors:
SATO SHINKO
ARAKAWA MAKOTO
MIZUMOTO MINORU
ARAKAWA MAKOTO
MIZUMOTO MINORU
Application Number:
JP2014214550A
Publication Date:
May 16, 2016
Filing Date:
October 21, 2014
Export Citation:
Assignee:
OHBAYASHI CORP
International Classes:
E02D5/36; E02D5/44
Domestic Patent References:
| JPH0754335A | 1995-02-28 | |||
| JP2000080645A | 2000-03-21 | |||
| JPS5826115A | 1983-02-16 | |||
| JPH045308A | 1992-01-09 | |||
| JP3264887B2 | 2002-03-11 | |||
| JPS6131244B2 | 1986-07-18 |
Foreign References:
| US4601613A | 1986-07-22 | |||
| GB256150A | 1926-08-05 | |||
| US4640649A | 1987-02-03 |
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation
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