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Cableway pipe installation method

An installation method and technology for cable pipes, which are applied in the direction of erecting/assembling bridges, bridge parts, bridges, etc., can solve the problems of complicated procedures, time-consuming, and affecting the installation of stay cables.

Active Publication Date: 2021-05-18
ROAD & BRIDGE SOUTH CHINA EINGINEERING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

With this positioning method, not only is the process complicated and time-consuming, but also the processing error of the cableway tube is accumulated into the positioning error, which affects the installation of the stay cable

Method used

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Embodiment Construction

[0030] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present application, and are not construed as limiting the present application.

[0031] In order to solve the problem that the installation accuracy of the existing cableway pipes is poor when the three-dimensional coordinate system is used for setting out, which affects the installation of the cable stays, this application provides a cableway pipe installation method, which specifically relates to the cableway cableway pipes in the anchorage area of ​​the upper tower column zipper The pre-embedding of the installation solves the problem of poor installation accuracy when the existing cableway pipe installation adopts t...

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Abstract

The invention provides a cableway pipe installation method which comprises the following steps: carrying out lofting on a stiff framework according to design coordinates, and welding a temporary support and a limiting stopper through angle steel; hoisting a cableway pipe to a mounting position, and pre-fixing and locating the cableway pipe; measuring the coordinates of the upper and lower outlet points of the cableway pipe for multiple times, and repeatedly adjusting the spatial position of the cableway pipe to reach the position of the designed coordinates; and after positioning is completed, fixing the cableway pipe to the stiff framework in a spot welding mode. According to the invention, the positioning principle of a three-dimensional space straight line is applied, the position path of the space straight line can be determined only by measuring the position paths of the two points on the straight line, the positioning method is rapid and simple, complex equipment and positioning calculation are not needed, the positioning precision is high, positioning and mounting of the cableway pipe are facilitated, and the influence on follow-up stay cable construction is reduced.

Description

technical field [0001] The application relates to the construction field of tower column cableway pipes, in particular to a method for installing cableway pipes. Background technique [0002] The positioning of cableway pipes of cable-stayed bridges is a task that requires high measurement accuracy and is extremely difficult in the construction of high tower columns of cable-stayed bridges. Whether the installation position of the cableway pipe anchor point is correct will directly affect the change of the internal force of the statically indeterminate structural nodes of the cable-stayed bridge. In addition, the position of the cableway pipe exit point is also critical. If the position deviation of the tower exit point is too large, it will cause inclination. The anti-vibration ring of the stay cable cannot be installed, thereby affecting the normal use of the stay cable. During construction of existing cable-stayed bridges, the measurement and positioning method of the ca...

Claims

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Application Information

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IPC IPC(8): E01D21/00E01D19/16
CPCE01D21/00E01D19/16
Inventor 邱鹏祝安宝廖顺华王恒涛刘洋王畅
Owner ROAD & BRIDGE SOUTH CHINA EINGINEERING CO LTD
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