发明名称 |
Easily-cuttable tunnel segment structure |
摘要 |
The present invention relates to a novel easily-cuttable tunnel segment structure used for the departure of a shield machine from a main tunnel to a branch tunnel or the return to the main tunnel from the branch tunnel, and provides an easily-cuttable tunnel segment structure 1 constructed by connecting a plurality of easily-cuttable tunnel segment pieces 2 in the longitudinal direction of a tunnel, wherein at least an easily-cuttable area 3 is formed by concrete 7 in which easily-cuttable reinforcement members are arranged, and a join disposed at least in the easily-cuttable area 3 in the longitudinal direction has an easily-cuttable join structure.
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申请公布号 |
US2003113168(A1) |
申请公布日期 |
2003.06.19 |
申请号 |
US20020301351 |
申请日期 |
2002.11.21 |
申请人 |
NAKA RYOICHI;YOSHIZUMI TOSHIHIKO;NAKATA SHINICHI;KONDOH FUMIO;SATOH SEIICHI;ISHITA OSAMU;FUJINO YUTAKA;CHIBA TUKASI |
发明人 |
NAKA RYOICHI;YOSHIZUMI TOSHIHIKO;NAKATA SHINICHI;KONDOH FUMIO;SATOH SEIICHI;ISHITA OSAMU;FUJINO YUTAKA;CHIBA TUKASI |
分类号 |
E21D9/06;E21D3/00;E21D11/04;E21D11/08;E21D11/40;(IPC1-7):E21D9/00;E21D11/00 |
主分类号 |
E21D9/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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