Duct piece splicing scheme selection method and system

A segment assembly and segment technology, applied in the field of segment assembly scheme selection method and system, can solve problems such as poor deviation correction results

Pending Publication Date: 2019-09-03
SHANGHAI TUNNEL ENG CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of the prior art, provide a method and system for selecting a segment assembly scheme, which can solve the problem of poor deviation correction results obtained by the existing methods

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  • Duct piece splicing scheme selection method and system
  • Duct piece splicing scheme selection method and system
  • Duct piece splicing scheme selection method and system

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Embodiment Construction

[0041] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0042] refer to figure 1, the present invention provides a method and system for selecting a segment assembly scheme, which are used for selecting the assembly angle of segment rings in the construction of curved tunnels.

[0043] The method for selecting the segment assembly scheme of the present invention will be described below in conjunction with the accompanying drawings.

[0044] Such as figure 1 As shown, the segment assembly scheme selection method of the present invention comprises the following steps:

[0045] Step S1:

[0046] Obtaining the design axis vector in the three-dimensional coordinate system specifically includes the following steps:

[0047] Such as figure 2 As shown, a three-dimensional coordinate system is established, and the three-dimensional coordinate system is a geodetic coordinate system with the city landmar...

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Abstract

The invention relates to a duct piece splicing scheme selection method and system. The method comprises: obtaining a design axis vector of a tunnel; obtaining a central position and a normal vector ofa spliced duct piece ring completion surface; according to the distance between the center of the duct piece splicing surface and the center of the completion surface and the included angle between the current duct piece ring center axis vector and the normal vector, obtaining a plurality of groups of current duct piece ring center axis vectors and the center position of the current duct piece ring completion surface, wherein the central axis vector of each group of current duct piece ring and the central position of the finishing surface of the current duct piece ring correspond to one splicing scheme; performing calculating to obtain the distance between the central position of the current duct piece ring completion surface and the design axis vector, the distance between the central position of the current duct piece ring completion surface and the shield axis, and the included angle between the current duct piece ring central axis vector and the design axis vector; and comparing the numerical values corresponding to the schemes, and selecting an optimal splicing scheme.

Description

technical field [0001] The invention relates to the technical field of tunnel construction, in particular to a method and system for selecting a segment assembly scheme. Background technique [0002] In the past, ordinary lining rings were used in shield tunneling projects in my country, but special wedge-shaped segments were used at the turning of the tunnel design axis, and additional molds needed to be designed and processed, which cost a lot. The general-purpose ring segment used in recent years refers to the use of only one lining ring with a certain amount of wedge in the construction of the entire tunnel. Through the rotation and combination of the ring, only one segment can be used to adapt to the tunnel design axis (DTA) Straight line, greatly reducing the cost. In this way, the typesetting design and deflection correction of general segments are the key to axis control during shield tunnel construction. The axis of the shield segment deviates from the design axis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/13
Inventor 孙连吕建中王胜勇吴兆宇
Owner SHANGHAI TUNNEL ENG CO LTD
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