Structure for preventing bridge from overturning transversely and construction method of structure

Abstract

The invention relates to a structure for preventing a bridge from overturning transversely and a construction method of the structure and belongs to the technical field of bridge structures. The structure comprises bridge deck slab bottom embedded steel plates, channel steel plates, corbels, steel anchor rods and nuts. The corresponding steel plates are embedded in the bottom of a bridge deck slab along the two transverse sides and firmly connected with the bridge deck slab through anchoring parts. The channel steel plates and the embedded steel plates are connected in a welded manner. The steel corbels or the reinforced concrete corbels are arranged at the positions, close to the top, of a pier. Oval holes are reserved in the bottoms of the channel steel plates and the corbels. The diameter of each steel anchor rod is smaller than the width of each oval hole. The steel anchor rods vertically penetrate the reserved holes. The two ends of each steel anchor rod are screwed through the nuts. Tiny gaps are reserved between the nuts at the lower ends and the bottom faces of the corbels, so that a bridge deck system is allowed to slide freely in the longitudinal direction of the bridge, and meanwhile the bridge deck system and the pier can be connected in a pulling manner. The structure for preventing the bridge from overturning transversely is reasonable in stress, capable of obtaining materials easily, simple, convenient to construct, economical and practical.

Description

technical field [0001] The invention relates to a structure for preventing bridge lateral overturning, which is applied to the connecting part of a bridge deck system and a bridge pier in a bridge structure, and belongs to the field of bridge structures. Background technique [0002] In the construction of urban highway bridges and expressway bridges, due to the influence of terrain and ground objects, the lower piers of bridges often adopt independent columns or similar independent column support methods to reduce the occupied area and avoid layout conflicts between buildings. Although the single column pier bridge has many advantages such as simple structure and strong adaptability, the lateral stability and safety of the bridge deck system with single point support are poor, especially when the vehicle is seriously unbalanced, due to the vertical The lateral displacement is only constrained in the middle, so it is prone to vicious accidents of the overall lateral overturn...

AI Technical Summary

Problems solved by technology

[0004] The invention proposes a structure for preventing lateral overturning of the bridge arranged at the position of the bridge support, which is used to solve the problem of weak anti-overturning ability of the existing bridge support, especially the bridge deck system of single-pillar pier bridges

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