Segment Lining and Segment Assembly Method for Rectangular Tunnel with Partition Wall

A segment assembly and tunnel segment technology, which is applied in tunnel lining, tunnel, shaft lining, etc., to achieve the effects of improving economy, reducing bending moment and improving service life

Active Publication Date: 2017-02-22
CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to address the above existing problems and deficiencies, and provide a rectangular tunnel segment lining and segment assembling method for a partition wall that can solve the technical problems of long-distance excavation of a rectangular shield machine, thereby making the construction of a rectangular tunnel safer , reliable and efficient

Method used

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  • Segment Lining and Segment Assembly Method for Rectangular Tunnel with Partition Wall
  • Segment Lining and Segment Assembly Method for Rectangular Tunnel with Partition Wall
  • Segment Lining and Segment Assembly Method for Rectangular Tunnel with Partition Wall

Examples

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Effect test

Embodiment 1

[0032] Embodiment one: see Figure 1-Figure 4 , a rectangular tunnel segment lining for a partition wall, the tunnel section form is a rectangular straight wall arch, the segment lining includes an L-shaped segment ring 1 and an R-shaped segment ring 2, and the L-shaped tube The segment rings 1 and R-shaped segment rings 2 are alternately arranged in a cycle along the direction of the tunnel, and the mid-span areas of the upper and lower arches of the L-shaped segment rings 1 and R-shaped segment rings 2 are provided with intermediate partition walls 3. Both the L-shaped segment ring 1 and the R-shaped segment ring 2 include a plurality of annular segment segments and intermediate wall segments assembled in a ring shape, and the annular segment segments and the intermediate segment segments The segments of the partition wall are made of reinforced concrete. The splicing longitudinal joints of two adjacent segments on the L-shaped segment ring 1 and the splicing longitudinal jo...

Embodiment 2

[0034] Embodiment two: see Figure 1-Figure 3 , the structure of this embodiment is basically the same as that of Embodiment 1, and the similarities will not be repeated. The splicing ring seams of segment rings are mortise and tenon joints, wedge joints or tongue and groove joints.

Embodiment 3

[0035] Embodiment three: see Figure 1-Figure 4 , the structure of this embodiment is basically the same as that of Embodiment 1 or 2, and the similarities will not be repeated. The difference is that the L-shaped segment ring 1 and the R-shaped segment ring 2 are all about the central axis of the tunnel It has a 180° symmetrical structure, and the L-shaped segment ring 1 includes capping blocks Q7 and T-blocks P6 respectively located in the middle of the upper arch and lower arch of the lining, and assembled in a rectangular ring between the capping block Q7 and the T-block P6 2 pieces of curved arch blocks B8, 2 pieces of curved arch blocks F9, 2 pieces of transition blocks C10, 2 pieces of transition blocks E11 and 2 pieces of straight wall blocks D12, the R-shaped segment ring 2 includes And the capping block S16 and T-shaped block R15 in the middle of the lower arch, and 2 pieces of arch blocks B8, 2 pieces of curved arch blocks F9, and 2 pieces of transition blocks assem...

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Abstract

The invention relates to a device and a method for solving the technological problem of long-distance excavation of a rectangular shield machine. A rectangular tunnel segment lining for a partition wall and a segment assembling method, the tunnel section of the segment lining is in the form of a straight wall arch or a curved wall arch in a rectangular ring, and a partition wall is provided in the mid-span area, including L-shaped and R-shaped segment rings are alternately arranged circularly along the direction of the tunnel, and the splicing longitudinal seams of the two segments are staggered; at the same time, it is realized by the shield segment assembly machine and the shape retainer The corresponding segment assembly method for the rectangular tunnel segment lining of the partition wall.

Description

technical field [0001] The invention belongs to the technical field of tunnel excavation, and in particular relates to a rectangular tunnel segment lining and segment assembling method for a partition wall. Background technique [0002] Rectangular tunnels can effectively reduce excavation and earthwork under harsh engineering conditions, and realize rational application of tunnel sections. Under the same excavation section, rectangular tunnels can use underground space more effectively than circular tunnels, and the effective use area ratio The circle increases by more than 30%. [0003] The current tunnel construction is mostly short-distance rectangular pipe-jacking construction cases, and the key technology of long-distance rectangular shield construction technology needs to be solved urgently. With the development of the national underground pipeline network, there will be a greater demand for large-section rectangular shields in the construction of urban rail and traf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21D11/08E21D11/10
CPCE21D11/08
Inventor 李建斌王杜娟卓兴建贾连辉董艳萍范磊龚廷民王小涛
Owner CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
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