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Title:
シールドトンネル
Document Type and Number:
Japanese Patent JP7064892
Kind Code:
B2
Abstract:
To provide a shield tunnel that can eliminate interference between a fastener for a segment joint construction and a ring joint.SOLUTION: A shield tunnel 100 is formed by connecting a plurality of steel segments 10 via segment joints 30 in the circumferential direction of the tunnel to form segment rings 20, and is formed by connecting the plurality of segment rings 20 via a ring joint 40 in the axial direction of the tunnel. The ring joint 40 includes at least a tensile shear joint 43 that resists a tensile force in the axial direction of the tunnel, and a shear joint 45 that resists a shear force in a direction perpendicular to the axial direction of the tunnel. The shear joint 45 is a pin joint, and the pin joint 45 is applied to the ring joint 40 in a vicinity A of the segment joint.SELECTED DRAWING: Figure 2

Inventors:
日▲高▼ 直俊
Norihiro Oishi
▲高▼田 知博
Jun Isakura
Ryota Yamamoto
Jun Ito
Application Number:
JP2018011728A
Publication Date:
May 11, 2022
Filing Date:
January 26, 2018
Export Citation:
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Assignee:
Taisei Corporation
International Classes:
E21D11/04
Domestic Patent References:
JP2017122325A
JP10082290A
JP2011012495A
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito