Title:
TUNNEL CONSTRUCTION METHOD
Document Type and Number:
Japanese Patent JP3434001
Kind Code:
B2
Abstract:
PURPOSE: To enable the build-up of a lining body for external pressure bearing and build-up of a lining member for internal pressure bearing simultaneously and smoothly.
CONSTITUTION: An excavation tunnel 3 is excavated and formed in the ground 2 and, at the same time, a segment lining body 5 is constructed in the excavation tunnel 3 in the form capable of bearing earth pressure caused by the ground 2. A plurality of flat plate-like steel plate pieces 6b are connected to the circumferential surface of the segment lining body 5 along the circumferential surface thereof in the form of forming the approximately cylindrical body of a polygonal section to construct a steel pipe structure 6.
Inventors:
Kiyoshi Matsushita
Application Number:
JP3530594A
Publication Date:
August 04, 2003
Filing Date:
February 08, 1994
Export Citation:
Assignee:
Sumitomo Mitsui Construction Co., Ltd.
International Classes:
E02B9/06; E21D11/00; E21D11/08; E21D11/14; E21D11/15; (IPC1-7): E21D11/00; E02B9/06; E21D11/15
Domestic Patent References:
| JP4237800A | ||||
| JP4720711B1 |
Attorney, Agent or Firm:
Shinji Aida (1 outside)