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Installation method of cable-stayed bridge scaled-scale test model

A cable-stayed bridge scaling and test model technology, applied in the direction of cable-stayed bridges, bridges, measuring devices, etc., can solve problems such as single expected value, difficult bridge engineering technicians to master and use, complex calculation process, etc., and achieve simple calculation process Clear, definite tensioning steps, avoiding the effect of complicated steps

Active Publication Date: 2021-03-26
CHINA UNIV OF MINING & TECH
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AI Technical Summary

Problems solved by technology

These methods have the problems of profound basic theory and complicated calculation process, and are difficult to be mastered and used by bridge engineering technicians
In addition, bridge engineering technicians expect to achieve optimization results with different expected values ​​in the process of cable force optimization of stay cables, but currently these methods are usually limited to a single expected value

Method used

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  • Installation method of cable-stayed bridge scaled-scale test model
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  • Installation method of cable-stayed bridge scaled-scale test model

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the embodiments of the present invention, the embodiments obtained by persons of ordinary skill in the art without making creative efforts shall all belong to the protection scope of the present invention.

[0024] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be understood that terms such as those defined in commonly used dictionaries should be understood to have a meaning consistent with the meaning in t...

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Abstract

The embodiment of the invention discloses an installation method of a stay cable of a cable-stayed bridge reduced-scale test model. The method comprises the steps of building a cable-stayed bridge reduced-scale finite element model and a stay-cable-free cable-stayed bridge reduced-scale test model according to the bridge parameters; obtaining the cable force tension value of each stay cable in a cable-stayed bridge according to the bridge forming state requirement of the cable-stayed bridge and the reduced-scale finite element model of the cable-stayed bridge; and installing the stay cables according to the cable-stayed bridge reduced scale test model without the stay cable and the cable force tension values. The method is not limited to a single expected value, different design requirements can be met, the calculation process is concise and clear, the tensioning steps are clear, only the tension information of one cable needs to be paid attention to each time of tensioning, and the complex step that overall optimization cable adjustment is conducted after all stay cables are tensioned, is avoided.

Description

technical field [0001] The invention relates to the installation field of cable-stayed cables, in particular to a method for installing cable-stayed cables of a scaled-down test model of a cable-stayed bridge. Background technique [0002] A cable-stayed bridge is a bridge in which the main girder is directly pulled on the bridge tower by many cables. Modern cable-stayed bridges occupy an important position in modern bridge structures because of their large spanning capacity, good technical and economic indicators and aesthetic value. The cable-stayed bridge is an important load-bearing component of the cable-stayed bridge, which is responsible for transferring the load of the main girder to the bridge tower. Whether the force value of the cable-stayed cable is properly set will affect the accuracy of the scaled-scale test model of the cable-stayed bridge. [0003] At present, in the modeling of cable-stayed bridge scale model, the tensioning methods of cable force include ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/23
CPCE01D11/04G01L5/0033G01L5/04
Inventor 王高新邵婧舒周鑫东兆星
Owner CHINA UNIV OF MINING & TECH
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