Steel-concrete composite beam bridge deck slab supporting mechanism

Abstract

The invention discloses a steel-concrete composite beam bridge deck slab supporting mechanism which comprises a cast-in-place bridge deck slab, an opening type profiled steel sheet is fixedly installed at the bottom of the cast-in-place bridge deck slab, one side of the bottom of the opening type profiled steel sheet is fixedly connected with the top of a steel beam inclined web, and a fixing column is fixedly connected to one side of the middle of the opening type profiled steel sheet. The bottom of the fixing column is sleeved with a hose, one side of the hose is in winding connection with one end of a steel wire rope, the other end of the steel wire rope is in winding connection with the top of an inclined supporting steel pipe, and an inclined supporting frame bottom longitudinal beam is connected to the top end of the steel beam bottom plate. One side of the inclined supporting frame bottom longitudinal beam is connected with bottom of an inclined supporting steel pipe through a carpenter clamp. According to the steel-concrete composite beam bridge deck slab supporting mechanism, the inclined supporting steel pipes, the steel wire ropes, the woodworking clamps and the inclined supporting frame bottom longitudinal beams are arranged, so that a whole support system is not welded, a support is detachable and reusable, the construction speed of a construction method is high, the linearity of a bridge deck slab at a cantilever is good, no welding point exists on a steel box girder, and secondary cutting does not exist.

Description

technical field [0001] The invention relates to the field of steel-concrete composite girder bridges, in particular to a steel-concrete composite girder deck support mechanism. Background technique [0002] Composite bridges refer to composite bridges with girder spans as the basic structure. After two or more systems overlap, the reaction force properties of the overall structure are still the same as those of beams loaded by bending. The characteristics of this type of bridge are mainly manifested in the heavy design calculation work, complex structure details and internal forces. The use of group nail prefabricated slab continuous composite girder bridge can greatly reduce the structural secondary internal force and concrete tensile stress caused by the shrinkage and creep effect of concrete. There are two types of bridge decks for steel-concrete composite girders, one is prefabricated and the other is cast-in-place. Due to the tight construction period of this project, ...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a steel-concrete composite girder bridge deck support mechanism to solve the problem that the traditional steel box girder cast-in-place bridge deck support system proposed in the above-mentioned background technology needs to be welded, and there are welding points on the steel box girder. The base material of the steel box girder needs to be cut twice after the construction is completed, which makes the construction period long and very inconvenient to use

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