Hanger-integrated stiff skeleton integrated device and reinforcement cage lifting construction method

Abstract

The invention discloses a hanger-integrated stiff skeleton integrated device which comprises a stiff skeleton. The stiff skeleton is of a cube structure with the lower end open. A reinforcement cage is sleeved with the stiff skeleton and is detachably connected with the stiff skeleton. A hoisting mechanism is arranged on the stiff skeleton. A reinforcement cage lifting construction method using the integrated structure comprises the steps that the dimension of the stiff skeleton is determined according to the shape of the reinforcement cage, box iron of difference types is selected, spliced and welded; the hoisting mechanism is arranged at the top of the stiff skeleton; the outer side of the reinforcement cage is sleeved with the stiff skeleton from top to bottom, and the stiff skeleton isdetachably connected with the reinforcement cage; the integrated device is hoisted up by a crane, and the reinforcement cage is transported onto a pier stud and connected with steel bars of a pouredsection; the integrated device is detached and hoisted out, templates are installed outside the reinforcement cage, and concrete is poured. The integrated device has the characteristics of being convenient and fast in construction and capable of being recycled, and can be widely applied to the technical field of bridge construction.

Description

technical field [0001] The invention relates to the technical field of bridge construction. More specifically, the present invention relates to a rigid frame integration device combined with a hanger and a construction method for hoisting a steel cage. Background technique [0002] With the vigorous advancement of my country's infrastructure, the construction of super-large and long-span bridges such as cable-stayed bridges and suspension bridges has gradually increased, and the positioning of steel bars and segmental construction efficiency in the construction of high tower piers have become important control factors for cable tower construction. In order to improve the construction efficiency of the cable tower and increase the positioning accuracy of the steel bars, etc., the design often adopts the stiff skeleton assembled by section steel, relying on its own relatively large rigidity to ensure the external dimensions of the cable tower and the attachment of various comp...

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Problems solved by technology

[0003] At present, most bridge tower reinforcement constructions in my country mainly use built-in pre-embedded steel stiffening frames. Although this type of stiffening frame can be used as a template for positioning to ensure accurate positioning of reinforcements, considering that the stiffening frame must be at the same time as the reinforcement Pouring in the cable tower, the uncoordinated deformation of the concrete and the stiff skeleton will easily lead to harmful cracks, which will have a great impact on the performance and safety of the cable tower; at the same time, in the construction of high towers, the construction environment is complex, the wind is strong, The on-site welding of the rigid frame takes a long time and consumes more steel; when the overall hoisting of steel bars is used, the hoisting rigidity also needs to be paid attention to; therefore, it is urgent to design a rigid frame device that is convenient for construction, high in assembly, and recyclable. Steel cage hoisting construction method to solve these problems

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