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Title:
EXTRACTION METHOD FOR STEEL UNDERGROUND WALL
Document Type and Number:
Japanese Patent JP2012214979
Kind Code:
A
Abstract:

To provide a method for effectively reducing the frictional resistance force of a ground against a steel underground wall to be extracted.

In the extraction method for a steel underground wall 1 embedded in a ground 3, a pair of steel members 11, 12 are embedded in the ground 3 so that one of the pair of steel members faces one wall face of the underground wall 1 and the other of the pair of steel members faces the other wall face of the underground wall 1, a positive electrode of a DC power supply 14 is connected to the pair of steel members 11, 12 and a negative electrode of the DC power supply 14 is connected to the underground wall 1, DC voltage is applied to the pair of steel members 11, 12 and the underground wall 1 by the DC power supply 14, and then the underground wall 1 is extracted from the ground 3.


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JPS5880027DRAWING METHOD OF CORE MATERIAL FOR SOIL PILLAR-ROW SHEATHING WALL AND EXCLUSIVE JACK THEREOF FOR DRAWING
Inventors:
KANAI MAKOTO
MATSUMOTO SHIN
SASAKI TORU
MITSUMOTO JUN
NAKANO TORU
MIURA TOSHIHIKO
Application Number:
JP2011079240A
Publication Date:
November 08, 2012
Filing Date:
March 31, 2011
Export Citation:
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Assignee:
OHBAYASHI CORP
International Classes:
E02D9/02; E02D5/04; E21D9/06
Domestic Patent References:
JPS6340012A1988-02-20
JP3198598B22001-08-13
JPS59192129A1984-10-31
JPS4811807A
JPH10121496A1998-05-12
JP2003214086A2003-07-30
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation



 
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