Title:
METHOD OF CONSTRUCTING ARTIFIIAL PERMEABILITY RETARDANT LAYER
Document Type and Number:
Japanese Patent JP3324012
Kind Code:
B
Abstract:
PURPOSE: To enable the construction of a permeability-retardant layer quickly and economically.
CONSTITUTION: A sheathing wall 1 is constructed in the depth where it reaches a permeable layer 4, an injection pipe 2 having a length arriving at the permeable layer 4 is penetrated along the sheathing wall 1 and, at the same time, a collection pipe 3 having a length arriving at the permeable layer 4 is penetrated to a position separated from the injection pipe 2. While discharging the chemical 6 from the injection pipe 2 into the permeable layer 4, it is absorbed with the collection pipe 3 and is impregnated thereinto, and the permeable layer 4 at where the injection pipe 2 and collection pipe 3 are located is formed into a permeability-retardant layer 7.
Inventors:
Tsuda, Katsutoshi
Nakano, Ken
Kodera, Hidenori
Nakano, Ken
Kodera, Hidenori
Application Number:
JP1993000243780
Publication Date:
July 05, 2002
Filing Date:
September 03, 1993
Export Citation:
Assignee:
TAISEI CORP
International Classes:
E02D3/12; E02D19/12; E02D31/02; E02D3/00; E02D19/00; E02D31/00; (IPC1-7): E02D3/12; E02D19/12; E02D31/02