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Combined steel structure capping block and segment

A capping block and combined technology, which is applied in shaft equipment, shaft lining, mining equipment, etc., can solve the problems of difficult removal of longitudinal and hoop stress on the first ring, inconvenient communication, lack of solutions, etc., to achieve convenient access and internal and external The effects of communication, saving construction costs, and facilitating block demolition

Pending Publication Date: 2018-10-19
JINAN RAILWAY TRANSPORT GRP CO LTD +3
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] As mentioned above, in the negative ring segments assembled by the whole ring, the inside and outside of the segments are isolated from each other, and the communication is inconvenient. When the first ring is removed, the longitudinal and hoop stresses are not easy to remove. There is still no effective solution to the above problems in the prior art. Program

Method used

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  • Combined steel structure capping block and segment
  • Combined steel structure capping block and segment

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Embodiment Construction

[0027] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0028] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0029] As introduced in the background technology, there are disadvantages in the prior art that the ring segmen...

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Abstract

The invention discloses a combined steel structure capping block and a segment and solves the problem of inconvenience in internal and external contact when shield whole ring erection segments pass through an air shaft or structures similar to the air shaft through no-load pushing. The capping block can be reused, hoop stress among negative ring segments can be relieved during dismounting of firstblocks, and the dismounting difficulty and safety risk are greatly reduced. The technical scheme is as follows: the capping block comprises a first arc-shaped end plate and a second arc-shaped end plate, first ends of the first arc-shaped end plate and the second arc-shaped end plate are connected through a first side connecting plate, seconds ends of the first arc-shaped end plate and the secondarc-shaped end plate are connected through a second side connecting plate, and the first arc-shaped end plate, the second arc-shaped end plate, the first side connecting plate and the second side connecting plate define a frame type structure with a cavity.

Description

technical field [0001] The invention relates to the technical field of shield tunneling, in particular to a combined steel structure capping block and segment. Background technique [0002] During shield construction, it is often encountered that the shield is pushed through the wind shaft tunnel, the shield interval tunnel structure similar to the wind shaft, and similar structures. Generally, the length of the wind shaft is 20-40m, and the shield needs to be adjusted to pass through the wind shaft. After the ring assembly segment passes through, the second start is made, and the negative ring needs to be removed after the start to provide installation space for related equipment and facilities. [0003] The assembly method of the negative ring segment of the shield tunneling through the wind shaft is the same as that of the normal excavation, the difference is that the negative ring needs to be removed after the shield construction is completed to provide the installation ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D11/08
CPCE21D11/08
Inventor 孙连勇温法庆门燕青刘凤洲张磊王磊孙杰
Owner JINAN RAILWAY TRANSPORT GRP CO LTD
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