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Title:
UNDERGROUND SPACE CONSTRUCTION METHOD
Document Type and Number:
Japanese Patent JP2003166229
Kind Code:
A
Abstract:

To provide an underground space construction method capable of reducing the construction term and cost.

A cylindrical small hole 2 is excavated in the ground 1. Penetration of water 4 into the ground is prevented. A flexible pipe 3 extending along the inner wall face of the small hole 2 is laid along the inner wall of the small hole 2. The pipe 3 is filled with water 4. An impact load is applied on the water 4 in the small hole 2 to form a underground space 5 by widening the small hole 2.


Inventors:
TATEYAMA KAZUYOSHI
HIRAI SHINGO
Application Number:
JP2001367478A
Publication Date:
June 13, 2003
Filing Date:
November 30, 2001
Export Citation:
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Assignee:
JAPAN SCIENCE & TECH CORP
International Classes:
E02B9/06; E02F5/10; E03F3/06; E21D9/00; E21D11/04; F16L1/038; (IPC1-7): E02B9/06; E02F5/10; E03F3/06; E21D9/00; E21D11/04; F16L1/038
Domestic Patent References:
JPS6351518A1988-03-04
JP2001220733A2001-08-17
Attorney, Agent or Firm:
Kenzo Hara