Mobile bracket, formwork integral system and method for constructing continuous beam

Abstract

The invention relates to a mobile bracket, an integral template system and a method for the construction of continuous beams. Sleepers are laid on the completed main structure and provided with a chute, the mobile bracket, a beam body template and a bracket bottom distribution beam; the bracket bottom distribution beam and the chute are contacted by a polytetrafluoroethylene plate, and the bracket bottom distribution beam and the mobile bracket are firmly welded; a hoisting system and a steel cushion block supporting device are installed at the connecting end of the mobile bracket and a constructed section, the mobile bracket and the constructed section are anchored; and the beam body template is arranged on the top surface of the mobile bracket. The construction method mainly comprises: the mobile bracket is assembled and fixed; the mobile bracket and the constructed section are anchored; the beam body template is supported and set in position, and beam body concrete is constructed; the beam body template is dropped on the bracket for longitudinal movement and the like. The invention has the advantages that: the construction of the bracket beside the pier is avoided; the loading of the bracket and the foundation structure below the bracket is lightened; the utilization rate of the equipment is high, the safety stability is good, the arrangement of beam body prestress is reduced, the sequencing progress of the procedure is fast, and the construction quality is good.

Description

technical field [0001] The invention relates to a symmetrical movable bracket of a prestressed concrete continuous girder bridge, a formwork integral system and a method for constructing the continuous girder, belonging to the technical field of bridge construction. Background technique [0002] Most of the prestressed concrete continuous girder bridges are constructed by the No. 0 block bracket method and the hanging basket method of the cantilever section. In addition to bearing its own weight, the structure must also bear the weight of temporary structures such as hanging baskets. When the hanging basket moves, the stable arm of the cantilever end is small, and the safety factor of the structure is small. Contents of the invention [0003] The purpose of the invention is to overcome the defects of poor safety performance, large steel consumption, poor construction turnover and the like existing in the prior art. A prestressed concrete continuous beam adopts a symmetric...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects of poor safety performance, large amount of steel consumption and poor construction turnover in the prior art.

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