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Patent Searching and Data


Title:
GROUND IMPROVEMENT METHOD FOR LIMINTED AREA
Document Type and Number:
Japanese Patent JP2935451
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a targeting improvement quality by controlling a sure improvement diameter under any ground conditions.
SOLUTION: A super high pressure jet tube 3 having a monitor 3a, which horizontally jets a super high pressure jet, in its tip part is provided in the center of a casing 1 or a ring bit shoe. While the casing 1 or the ring bit shoe is inserted in the ground, soil and solidification material slurry in a limited area are cut, agitated, and mixed by super high pressure jetting from the monitor 3a so as to improve the ground.


Inventors:
HAYAKAWA YASUYUKI
KUBO HIROAKI
SUZUKI SHIGETAKA
Application Number:
JP28509295A
Publication Date:
August 16, 1999
Filing Date:
November 01, 1995
Export Citation:
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Assignee:
KAJIMA KENSETSU KK
KEMIKARU GURAUTO KK
International Classes:
E02D3/12; (IPC1-7): E02D3/12
Domestic Patent References:
JP5299610A
JP6346436A
Attorney, Agent or Firm:
Toshitada Takahashi (1 outside)