Title:
INSTALLATION METHOD OF DRAIN STRUCTURE FOR IMPERVIOUS WALL AND WALL JOINT SECTION
Document Type and Number:
Japanese Patent JP2001164564
Kind Code:
A
Abstract:
To provide an impervious wall for improving an underground continuous wall partitioning the inside and outside of a site in order to prevent the leakage of polluted water from sewage disposal plant or the like.
A connecting drainage route 20 is formed in a wall of an underground continuous wall 10 constructed so as to partition the inside and outside areas in a site. The water level in the connecting drainage route 20 is lowered from any groundwater level of the outside of the site. By the constitution, polluted water leaked through the inside of the wall from the inside of the site is made to flow in the connecting drainage route 20, and the polluted water is discharged to the outside by a lifting pump P.
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Inventors:
Kuroda, Masanobu
Application Number:
JP1999000351385
Publication Date:
June 19, 2001
Filing Date:
December 10, 1999
Export Citation:
Assignee:
SHIMIZU CORP
International Classes:
B09B1/00; E02D5/20; E02D19/12; B09B1/00; E02D5/00; E02D19/00; (IPC1-7): E02D5/20; B09B1/00; E02D19/12
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