A Method for Determining Assembly Points of Universal Ring Segments in Subway Shield Construction

A technology of shield segment and subway shield, which is applied in underground chambers, shaft equipment, earth-moving drilling and mining, etc., can solve the problem of not being able to easily, quickly and accurately determine the assembly point of general ring segment and so on.

Active Publication Date: 2018-01-12
CHINA RAILWAY FIRST GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During actual shield tunneling construction, it is not possible to determine the assembly point of the universal ring segment easily, quickly and accurately

Method used

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  • A Method for Determining Assembly Points of Universal Ring Segments in Subway Shield Construction
  • A Method for Determining Assembly Points of Universal Ring Segments in Subway Shield Construction
  • A Method for Determining Assembly Points of Universal Ring Segments in Subway Shield Construction

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Embodiment Construction

[0100] like figure 2 Shown is a method for determining the assembly point of the general ring segment in subway shield construction. The shield machine is used to excavate the tunnel to be constructed along the central axis of the tunnel from back to front. Shield segment assembly construction;

[0101] Before any ring shield segment is assembled and constructed, the segment assembly point of the current ring shield segment is determined first, and the process is as follows:

[0102] Step 1. Determining the optional assembly point: According to the staggered assembly method of the shield segment, and according to the segment assembly point of the previous shield segment, select the current ring shield from 16 assembly points to be selected 5 optional assembly points for structural segments;

[0103] The 16 assembly points to be selected are evenly arranged along the circumferential direction and they are 1 point, 2 points, ..., 16 points from front to back in the clockwise ...

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Abstract

The invention discloses a method for determining the assembling point of a general ring segment in subway shield construction. A shield machine is used to carry out shield tunneling construction on the constructed tunnel from back to front along the central axis of the tunnel. After the shield tunneling construction completes a ring Carry out shield segment assembly construction; before any ring shield segment assembly construction, first determine the segment assembly point of the current ring shield segment, the process is as follows: 1. You can choose to determine the assembly point; 2. Determination of selection impact indicators and their weight coefficients: respectively determine the three selection impact indicators and their weight coefficients that affect the selection of segment assembly points; 3. Selective evaluation of optional assembly points: according to the weight coefficient method The selectivity of the selected assembly point is evaluated separately, and the segment assembly point of the current ring shield segment is determined. The method of the invention has the advantages of simple steps, reasonable design, convenient implementation, good use effect, and can simply, quickly and accurately determine the assembling point of the universal ring segment.

Description

technical field [0001] The invention belongs to the technical field of shield tunneling, and in particular relates to a method for determining the assembly point of a general ring segment in subway shield construction. Background technique [0002] The shield segment is the permanent lining structure of the shield tunnel. The quality of the shield segment is directly related to the overall quality and safety of the tunnel, and affects the waterproof performance and durability of the tunnel. A ring of shield segments is called a segment ring. Universal segment means that there is only one type of segment ring, which can be used in both straight and curved segments. The universal ring refers to the universal segment lining ring, also known as the universal segment ring or the universal wedge segment ring. Segments are assembled by staggered seams. A ring segment generally consists of several A-type segments (ie, standard blocks), two B-type segments (ie, adjacent blocks) and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21D11/04
CPCE21D9/0607E21D11/04E21D11/08G06Q10/06393G06Q50/08
Inventor 穆世旭高永琪王江卡周兴杰杨永强周耀升李旭陈仙宇
Owner CHINA RAILWAY FIRST GRP CO LTD
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