Integral slide device and method of floor steel pipe column bracket of bridge end bay closure section construction

Abstract

The invention relates to integral slip device and method of a floor steel pipe column bracket of a bridge end bay closure section construction. The device comprises a floorstand, a drawing mechanism and two slip tracks (5) symmetrically arranged on an expanded foundation (1), wherein two slip steel plates (20) are arranged on each slip track, and the slip steel plates move on the slip tracks under the action of the drawing mechanism; the lower parts of the slip tracks are supported on the expanded foundation (1) through a plurality of track leveling supporting seats (4); and the supporting seats have the effect of leveling and ensures that the whole tracks are horizontally arranged on the expanded foundation (1). The method comprises the following steps of: doing preparation works, measuring an elevation, mounting the floorstand and the drawing mechanism, implementing integral slip, and the like. The invention can effectively solve the problem of displacement of the whole bracket system in construction environments of large height and difficult going in and out of mechanical equipment and has the advantages of simple move mode, bracket dismounting procedure saving, turnover material loss reduction, construction period shortening, and the like.

Description

technical field [0001] The invention relates to an overall moving device for a support, in particular to an overall sliding device for a ground steel pipe column support in the construction of bridge side-span closing sections, and an overall displacement method for the support from one side of the bridge to the other side. Background technique [0002] The side spans of prestressed concrete continuous rigid frame bridges are usually located in tidal flat areas on the banks of rivers, and the geological conditions under the bridges are mostly soft strata, making it difficult for mechanical equipment to enter and exit. When the pier is in the waterless area of ​​the river bank, the construction of the side span closing section adopts the erection of floor-to-ceiling steel pipe column supports for cast-in-place construction. The foundation must be treated before the construction support of the cast-in-place section is erected to prevent the support system from settling. Under...

AI Technical Summary

Problems solved by technology

Under the circumstances of this construction environment, for double-width bridges, after the construction of the half-width cast-in-place box girder is completed, if the support system is removed and the new support system is reinstalled when constructing the other half-width, it will not only take a long time, but also The mechanical equipment is difficult to operate and the material loss is also large

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