Support structure assisting in cantilever beam construction and construction method

A support structure and cantilever beam technology, which is applied to bridges, bridge construction, erection/assembly of bridges, etc., can solve the problems of difficulty in secondary use of triangular brackets, increased costs, and waste of resources, so as to reduce construction costs. , The effect of strong turnover, easy installation and use

Inactive Publication Date: 2016-09-21
THE 2ND ENG CO LTD OF CHINA RAILWAY 17 BUREAU GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the structural form of the bridge superstructure is different, or the structural form of the pier 12 changes, it is diffic

Method used

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  • Support structure assisting in cantilever beam construction and construction method
  • Support structure assisting in cantilever beam construction and construction method
  • Support structure assisting in cantilever beam construction and construction method

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings.

[0037] see Figure 1 to Figure 11 , the present invention comprises the supporting longitudinal girder 1 that is arranged on both sides of the pier 12, above the supporting longitudinal girder 1, a plurality of distribution beams 13 lined up in the direction of the bridge are arranged, the distribution beam 13 is provided with a formwork structure 5, and on the formwork structure 5 Place the cantilever beam 4, set two horizontal tie rods 2 on both sides of the bridge pier 12, the supporting longitudinal beam 1 connects the horizontal tie rod 2 through the sand box support 10, one end of the horizontal tie rod 2 is fixed on the pier 12, and the other end of the horizontal tie rod 2 passes through The oblique support rod 3 is hinged on the pier 12, the pier 12, the horizontal tie rod 2 and the oblique support rod 3 form a triangular bracket structure, and the horizontal ...

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Abstract

The invention discloses a support structure assisting in cantilever beam construction and a construction method. The support structure comprises longitudinal supporting beams arranged on the two sides of a pier, a plurality of distribution cross beams distributed in a straight line in the bridge direction are arranged on the longitudinal supporting beams, and formwork structures are arranged on the distribution cross beams. Two horizontal pull rods are arranged on the two sides of the pier correspondingly, the longitudinal supporting beams are connected with the horizontal pull rods through sand box supports, one end of each horizontal pull rod is fixed to the pier, and the other end of each horizontal pull rod is hinged to the pier through an oblique supporting rod. A triangular bracket structure is composed of the pier, each horizontal pull rod and the corresponding oblique supporting rod. The horizontal pull rods located at the same side of the pier are connected through a horizontal girder support. According to the triangular bracket structures of the support structure, the lengths of the oblique supporting rods can be adjusted, and therefore the support structure is suitable for cantilevers of bridges of different structural styles; the support structure can be machined in factories and produced in mass, and is convenient to mount and use; workers can easily master the support structure, and the construction process can be unified; and the circulation performance is high, and construction cost can be obviously lowered.

Description

technical field [0001] The invention relates to a bracket structure, in particular to a bracket structure and a construction method for assisting cantilever beam construction. Background technique [0002] At present, with the rapid development of domestic construction and the improvement of construction technology, the construction height of bridges is also gradually increasing. In the construction of bridges with large pier heights, in order to reduce the project cost, more and more The triangular bracket is used as the main force supporting structure. [0003] The conventional triangular bracket technology is generally only designed for a certain project or a specific work site, and it is mostly a one-time investment. When the structural form of the bridge superstructure is different, or the structural form of the pier 12 is changed, it is difficult to use the triangular bracket for secondary turnover, resulting in an increase in cost expenditure and a waste of resource...

Claims

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Application Information

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IPC IPC(8): E01D21/10
CPCE01D21/10
Inventor 陈进明刘东跃
Owner THE 2ND ENG CO LTD OF CHINA RAILWAY 17 BUREAU GRP
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