An Assembled Reticular Suspension Rod Tied Arch Bridge

Abstract

The invention provides an assembled mesh-shaped suspender-tied arch bridge. Composed of prestressed steel beams, high-strength anchor rods and cast-in-place wet joints, the prefabricated arch ribs and prefabricated tie rods are integrally formed, and there are mesh suspenders between the prefabricated arch ribs and prefabricated tie rods, and the prefabricated beams pass through the high-strength anchors The rods are supported under the prefabricated tie rods, and a prefabricated beam is set at a fixed interval under the prefabricated tie rods, and prefabricated bridge decks are laid on two adjacent prefabricated beams, and the prefabricated bridge decks are cast-in-place wet joints. The present invention is generally applicable to expressway bridges, span bridges on branch lines and municipal bridges, with spans up to 50m to 250m. It is a new type of prefabricated bridge structure that is easy to promote.

Description

technical field [0001] The invention relates to the new technical field of bridge industrialized construction, in particular to an assembled mesh suspension rod arch bridge. Background technique [0002] In recent years, with the sharp rise of labor costs and the improvement of environmental awareness of Chinese people, the industrialization of bridges has become the trend of the times. The 13th Five-Year Plan of the Ministry of Transport also clearly proposes to accelerate the development of bridge industrialization. Assembled bridges are the key direction of bridge construction and development in my country in the future, which is conducive to saving resources and energy, reducing construction pollution, and improving labor production efficiency and quality and safety levels. At present, domestic prefabricated bridges have achieved certain results, but most of them are limited to small and medium spans (spans less than 50m). Therefore, it is urgent to seek a new prefabric...

AI Technical Summary

Problems solved by technology

In addition, dozens of road and railway network arch bridges have been built in Norway, Germany, Japan, and the United States, but my country has not seen any application

[0004] Reticulated suspender-tied arch bridge is a new type of structure, which is almost blank in domestic engineering applications, while prefabricated reticulated suspender-tied arch bridge makes full use of the superior mechanical and economic performance of reticulated suspender-tied arch bridge, integrating The concept of industrialized bridge construction, each component of the bridge adopts factory prefabricated components, and the prefabricated components are assembled through reliable connecting devices to form a brand-new prefabricated bridge, especially suitable for expressways with high industrialization requirements and large spans Bridges, branch bridges and municipal bridges have not been reported at home and abroad

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