Title:
SHIELD TUNNEL
Document Type and Number:
Japanese Patent JP3494892
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve durability with high water stop performance while improving work execution efficiency, shortening a construction period and reducing cost.
SOLUTION: Waterproof panels 5 made of resin and fitted by panel fitting means are connected on the inner surface 2a side of cylindrical primary covering 3 formed by jointing a large number of segments 2, while ensuring water stop performance. Secondary covering 4 covering the inner surface of the primary covering 3 is therefore constructed to ensure watertightness. A filler is further filled between the primary covering 3 and secondary covering 4 to form a filler layer 6, so that positive, water stop performance can be obtained.
Inventors:
Hiroki Someya
Tadashi Tanaka
Masayoshi Nakagawa
Masatsugu Yamamoto
Nobuyuki Shima
Koji Sasayama
Takefu Arakida
Yuichi Masuda
Yutaka Fujino
Akira Kase
Tadashi Tanaka
Masayoshi Nakagawa
Masatsugu Yamamoto
Nobuyuki Shima
Koji Sasayama
Takefu Arakida
Yuichi Masuda
Yutaka Fujino
Akira Kase
Application Number:
JP17359198A
Publication Date:
February 09, 2004
Filing Date:
June 19, 1998
Export Citation:
Assignee:
Ishikawajima Building Materials Industry Co., Ltd.
Kashima Construction Co., Ltd.
CI Kasei Co., Ltd.
Geostar Co., Ltd.
Kashima Construction Co., Ltd.
CI Kasei Co., Ltd.
Geostar Co., Ltd.
International Classes:
E21D11/04; E21D11/38; (IPC1-7): E21D11/04; E21D11/38
Domestic Patent References:
| JP835398A |
Attorney, Agent or Firm:
Masatake Shiga (9 outside)
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