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Construction method of steel-concrete mixed Y-shaped tower of low-pylon cable-stayed bridge

A cable-stayed bridge steel and low tower technology, applied in bridges, bridge parts, bridge construction and other directions, can solve problems such as waste, achieve the effects of avoiding waste, strong adaptability and flexibility, and broad application prospects

Inactive Publication Date: 2011-08-31
CHONGQING URBAN CONSTR HLDG GRP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention intends to provide a construction method of a steel-concrete hybrid Y-shaped tower for a short-tower cable-stayed bridge to solve the problems of waste caused by the use of a super-large-tonnage tower crane in the existing construction method

Method used

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  • Construction method of steel-concrete mixed Y-shaped tower of low-pylon cable-stayed bridge
  • Construction method of steel-concrete mixed Y-shaped tower of low-pylon cable-stayed bridge
  • Construction method of steel-concrete mixed Y-shaped tower of low-pylon cable-stayed bridge

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Embodiment Construction

[0024] The specific structures and characteristics known in the following schemes will not be described here, and the following steps will be followed.

[0025] 1. Installation and test of hoisting system

[0026] (1) Design and installation of rod support hoisting system

[0027] Lifting tower and mast lifting systems such as figure 1 with figure 2 Shown: The hoisting system of the pole bracket is equipped with embedded parts on the No. 2 block of the main beam at the root of the tower column 1 of the Y-shaped tower, and the tower is assembled with universal poles, and the upstream and downstream sides are respectively equipped with upstream poles Support 31 and downstream lever support 32, two cage universal bar supports (such as figure 2 As shown), the hoisting towers and towers on both sides of the upstream and downstream are provided with cross-link beams 33 vertically and horizontally, and rail flat cars 34 are arranged on the cross-link beams below. The total leng...

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Abstract

The invention discloses a construction method of a steel-concrete mixed Y-shaped tower of a low-pylon cable-stayed bridge. The invention relates to the construction method of architectural details of a bridge structure, also relates to a lifting device used in the construction method, and aims at solving the problems of waste and the like caused by adoption of a super-tonnage tower crane in the prior art. The construction method comprises the following steps of: manufacturing a segment steel anchor box, and arranging a rod piece support lifting system on a girder at the root part of a pylon of the Y-shaped tower; lifting and fixing the segment steel anchor box by using the rod piece support lifting system, and carrying out concrete construction on the segment steel anchor box after lifting and fixing; and removing the rod piece support lifting system. Compared with the prior art, the rod piece support lifting system is adopted for lifting the steel box girder so that the waste caused by usage of the super-tonnage tower crane is avoided, and the construction method has extremely strong adaptability and flexibility.

Description

technical field [0001] The present invention relates to a construction method for building details of a bridge structure, and also relates to a lifting device used in the construction method. Background technique [0002] In long-span bridges, the pier (or tower) column used to be mainly in the form of H shape. With the development of bridge construction technology, especially the shape design and environmental coordination of urban super-large bridges has become the development direction of urban bridges. At present, the design of piers (or towers) may also choose A-shaped, herringbone, Y-shaped, inverted Y-shaped structure type. On the one hand, these structures increase the aesthetic feeling of the building, while on the other hand, they also increase the difficulty of construction. [0003] In the current typical construction methods, super-large-tonnage tower cranes are often used for hoisting and installation of the mixed steel and concrete structure leaning towers o...

Claims

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Application Information

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IPC IPC(8): E01D21/00E01D19/14
Inventor 危接来杨寿忠赵志军潘波
Owner CHONGQING URBAN CONSTR HLDG GRP
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