Title:
STEEL SEGMENT FOR CONSTRUCTION OF SHIELD TUNNEL AND SHIELDING METHOD
Document Type and Number:
Japanese Patent JP3586053
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To execute the lining, in particular assembling segments at a shield machine tail more advantageously than conventional in view of economy and efficiency.
SOLUTION: Steel segments 1 provided with joints 2a, 2B at the and in the circumferential and radial directions and mutually connected through the joints 2A, 2B at the nearby position of the tail of a shield machine in constructing a shield tunnel and assembled to form a tubular body with a specified shield diameter ds are constituted of the first and second steel pipe pieces 1A, 1B. The steel pipe pieces 1A, 1B are transferred to the nearby position of the tail part without interference with the subsequent equipment of the shield machine.
Inventors:
Toshi Masuda
Toshio Nagata
Ryoji Takabe
Tomoya Fujimoto
Hiroyuki Imashio
Akira Adachi
Toshio Nagata
Ryoji Takabe
Tomoya Fujimoto
Hiroyuki Imashio
Akira Adachi
Application Number:
JP30265896A
Publication Date:
November 10, 2004
Filing Date:
November 14, 1996
Export Citation:
Assignee:
JFE Engineering Corporation
JFE Civil Engineering & Construction Co., Ltd.
JFE Civil Engineering & Construction Co., Ltd.
International Classes:
E21D11/15; (IPC1-7): E21D11/15
Domestic Patent References:
| JP4265396A |
Attorney, Agent or Firm:
Eiichi Kobayashi
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