Title:
GROUND EXAMINING METHOD AND DEVICE
Document Type and Number:
Japanese Patent JP3798281
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a ground examining method and device capable of obtaining the accurate data of the ground.
SOLUTION: This ground examining device 1 is formed to continuously measure a rotary load and a tip depth when pressing a rod provided with excavating blades at a tip thereof into the ground with rotation, and the rotary load can be continuously and accurately measured. This ground examining method can accurately detect a thin soft layer to realize the excellent design of steel pipe piles and execution that boring is stopped at the upper part of a thick support layer under the soft layer.
Inventors:
Eiichiro Saeki
Makoto Nagata
Makoto Nagata
Application Number:
JP2001295334A
Publication Date:
July 19, 2006
Filing Date:
September 27, 2001
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
E02D1/02; G01L3/00; G01L5/00; (IPC1-7): E02D1/02; G01L3/00; G01L5/00
Domestic Patent References:
JP7311133A | ||||
JP9177063A | ||||
JP2308006A | ||||
JP9145500A | ||||
JP2000054778A | ||||
JP2000073350A |
Attorney, Agent or Firm:
Nobuyuki Hayashi
Takehiko Katayose
Toshihide Mori
Takehiko Katayose
Toshihide Mori
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