Title:
CEMENT GROUT SUPPLY METHOD AND DEVICE THEREOF
Document Type and Number:
Japanese Patent JP2001311137
Kind Code:
A
Abstract:
To minimize a large volume of slurry which has been generated heretofor because grout is left in an agitator or a pipe line at every time after completion of one injection process and is disposed of and is washed out in conventional cases.
A plurality of agitotors (2) for every kind of mixing are installed and connected to a central plant section (10) through pipe lines (15). Respective agitators (2) are connected to a an injection pump (4) through a first changeover valve (6). Grout having a specified mixing ratio is force-fed by changing over the valve in sequence. Return pipes are branched from the delivery side of the pump (4). A second changeover valve (7) selectively connected to respective agitators (2) is provided.
Inventors:
SHIBUICHI HIDEO
Application Number:
JP2000128903A
Publication Date:
November 09, 2001
Filing Date:
April 28, 2000
Export Citation:
Assignee:
NITTOC CONSTRUCTION
International Classes:
E02B7/00; E02D3/12; E21D11/00; (IPC1-7): E02D3/12; E02B7/00; E21D11/00
Attorney, Agent or Firm:
Toshitada Takahashi (1 outside)