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Supporting structure of active fault crossing tunnel and tunnel lining structure

A technology of supporting structure and active fault, applied in the direction of tunnel lining, tunnel, wellbore lining, etc., can solve the problem that the overall damage of the tunnel cannot be effectively avoided.

Pending Publication Date: 2020-12-18
INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These methods have certain limitations and cannot effectively avoid the overall destruction of the tunnel

Method used

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  • Supporting structure of active fault crossing tunnel and tunnel lining structure
  • Supporting structure of active fault crossing tunnel and tunnel lining structure
  • Supporting structure of active fault crossing tunnel and tunnel lining structure

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Embodiment Construction

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0026] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The invention discloses a supporting structure of a active fault crossing tunnel and a tunnel lining structure, and relates to the technical field of tunnel engineering. The supporting structure comprises a first support and a second support, the first support comprises a first pipeline arranged in the longitudinal direction of the tunnel and a second pipeline arranged outside the first pipeline in a sleeved, and concrete is filled between the first pipeline and the second pipeline, the second support comprises a plurality of first anchor rods radially arranged in the radial direction of the tunnel, one end of each first anchor rod is fixedly connected with the second pipeline, the other end of each first anchor rod extends to external surrounding rock, and a cavity is preset between the second pipeline and an excavation contour line of the tunnel in the radial direction of the tunnel. The supporting structure of the active fault crossing tunnel and the tunnel lining structure have good fault creep diastrophism damage resistance, and damage to the whole tunnel caused by fault creep can be effectively avoided.

Description

technical field [0001] The invention relates to the technical field of tunnel engineering, in particular to a support structure and a tunnel lining structure for a tunnel spanning an active fault. Background technique [0002] my country is located between the Eurasian plate, the Indian Ocean plate, and the Pacific Rim plate. Affected by plate movements, active faults of various sizes are widely distributed. With the rapid development of economy and science and technology, my country has vigorously built tunnels. When encountering active faults, it is mainly to avoid them. However, due to the constraints of line selection, a large number of tunnels still inevitably have to cross active faults. The continuous and slow sliding of rock mass along both sides of the fault plane is called fault creep, and the sudden slip of rock mass along both sides of the fault plane is called fault stick-slip. Compared with fault stick-slip, fault creep does not directly generate earthquakes. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D20/02E21D11/10E21D21/00
CPCE21D11/10E21D20/02E21D21/0026
Inventor 周辉沈贻欢朱勇徐福通肖建成
Owner INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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