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Patent Searching and Data


Title:
GROUND WATER LOWERING DEVICE
Document Type and Number:
Japanese Patent JP2004316075
Kind Code:
A
Abstract:

To provide a ground water lowering device capable of surely preventing the ground subsidence around the excavated areas or the damage of a building and lowering only the ground water in the excavated ground without lowering the ground water in the surrounding ground.

The ground water lowering device includes a cut-off wall 1 preventing the incursion of the ground water to the inside from the outside of the excavated ground, a vacuum chamber 2 provided between embedment sections of the cut-off wall 1 opposed to each other across the excavated ground and opened 22 toward the lower side and a vacuum pump 3 making atmospheric pressure acting as loading to the ground water in the excavated ground by sucking air in the vacuum chamber 2.


Inventors:
Ochiai, Koichi
Application Number:
JP2003000107169
Publication Date:
November 11, 2004
Filing Date:
April 11, 2003
Export Citation:
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Assignee:
KAGERO KOBOSHA:KK
International Classes:
E02D19/10; (IPC1-7): E02D19/10