Title:
GROUND-WATER LEVEL LOWERING METHOD
Document Type and Number:
Japanese Patent JP2001214452
Kind Code:
A
Abstract:
To provide ground-water level lowering method without any restrictions on installing places with which water level lowering can be performed enough even in places where vertical wells are hard to install.
Lowering the ground-water level is designed by drilling a well horizontally from the inside of a shaft (3) which is installed under a construction work for a grade separation and draining water through a horizontal well.
Inventors:
Narita, Masahiro
Honda, Satoshi
Honda, Satoshi
Application Number:
JP2000000025501
Publication Date:
August 07, 2001
Filing Date:
February 02, 2000
Export Citation:
Assignee:
EAST JAPAN RAILWAY CO
International Classes:
E02D19/10; E02D19/00; (IPC1-7): E02D19/10
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