Title:
PREVENTIVE METHOD OF WATER LEAKAGE AGAINST CONTINUOUS CUT-OFF WALL
Document Type and Number:
Japanese Patent JPH09287147
Kind Code:
A
Abstract:
To safely, securely, and efficiently cut off the water leakage from a continuous cut-off wall.
A boring hole 8 is excavated on the ground 1 of the rear side of a water leakage position and a T-shaped steel material 10 is inserted in the boring hole 8 so that the outside face of the flange 13 turns to the depth of the ground. And then sand 14 is tamped in the cavity of the boring hole 8. U-shaped freeze pipes 11, 11 are attached to the T-shaped steel material 10 in advance. After a easing 9 in the boring hole 8 has been pulled out, liquid nitrogen is injected into the U-shaped freeze pipes 11, 11.
Inventors:
ITO HIROSHI
SAKAGUCHI KATSUHIKO
EJIRI RETSU
KOJIMA TSUTOMU
SAKAGUCHI KATSUHIKO
EJIRI RETSU
KOJIMA TSUTOMU
Application Number:
JP10152196A
Publication Date:
November 04, 1997
Filing Date:
April 23, 1996
Export Citation:
Assignee:
KUMAGAI GUMI CO LTD
SANPO TECHNO CONSTR KK
SANPO TECHNO CONSTR KK
International Classes:
E02D19/14; (IPC1-7): E02D19/14
Attorney, Agent or Firm:
林 孝吉