Title:
インバート桟橋およびトンネルインバート施工方法
Document Type and Number:
Japanese Patent JP6837394
Kind Code:
B2
Abstract:
To provide invert pier and tunnel invert construction method capable of invert drilling without moving a pier after completion of invert concrete casting.SOLUTION: The invert pier comprises a work platform 10 having a casting space below for casting invert concrete, a front oblique path 20 stretched between a front end of the work platform 10 and the ground, a rear oblique path 30 stretched between a rear end of the work platform 10 and the ground, and a plurality of support legs 40 attached to a lower portion of the work platform 10 to support the work platform 10 away from the ground. The width of the front oblique path 20 is equal to or less than half the width of the work platform 10, the front oblique path 20 can be connected to an arbitrary position in the width direction of the work platform 10, and the front oblique path 20 can be divided in the width direction into the first front oblique path and the second front oblique path.SELECTED DRAWING: Figure 1
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Inventors:
Uda Makoto
Uemura Yoshiyuki
Soichiro Yufu
Shimane Yonezaburo
Satoru Kobayashi
Masahiko Kobayashi
Uemura Yoshiyuki
Soichiro Yufu
Shimane Yonezaburo
Satoru Kobayashi
Masahiko Kobayashi
Application Number:
JP2017126313A
Publication Date:
March 03, 2021
Filing Date:
June 28, 2017
Export Citation:
Assignee:
Iron Construction Co., Ltd.
Toko Co., Ltd.
Toko Co., Ltd.
International Classes:
E21D11/10; E04G21/02
Domestic Patent References:
| JP8177396A | ||||
| JP2009209526A | ||||
| JP6173574A | ||||
| JP8338006A | ||||
| JP2003322000A |
Foreign References:
| EP0386396A2 |
Attorney, Agent or Firm:
Sakuo Yamaguchi
Nobuyuki Oshima
Shinjiro Yamaguchi
Nobuyuki Oshima
Shinjiro Yamaguchi