Cable-type flexible steel platform formwork and lifting method for super high-rise buildings

Abstract

The invention discloses a cable-type flexible steel platform formwork and a lifting method for a super high-rise building. The steel platform formwork includes a steel platform, steel platform overhanging corbels, column support structures, column corbels, connection trusses, jacking cylinders, cylinder corbels, main cables and several adjustable cables. The steel platform is supported on the outer wall of the core tube shear wall by the outstretched corbel of the steel platform; the column support structure is supported by the side column corbel on the inner wall of the core tube shear wall; the jacking The oil cylinder is arranged at the bottom of the support structure of the column, and the jacking cylinder is supported on the inner wall of the core tube shear wall through the corbel of the oil cylinder; the two ends of the main cable are respectively connected to the top of the support structure of the two columns; Cables are used to lift the steel platform. The formwork and lifting method of the steel platform convert the main climbing components of the steel platform from compression to tension components; separate the compression support from the climbing components, and do not need to consider the limitation of a single climbing height.

Description

technical field [0001] The invention relates to a cable-type flexible steel platform formwork for super high-rise buildings and a lifting method, belonging to the technical field of super high-rise steel platform formwork. Background technique [0002] Steel platform formwork equipment is one of the construction equipment commonly used in super high-rise building structures in recent years. The existing steel platform formwork equipment is divided into two types: jacking type and lifting type, both of which use the overall steel frame, platform slab, scaffolding system, etc. to provide a closed construction work surface, making full use of the characteristics of the strong bearing capacity of the steel structure ; Use the hydraulic cylinder to provide the driving force to make the formwork equipment climb up along the core tube of the super high-rise building. The steel bars required for the construction of the core tube can be stacked on the top working plane of the steel ...

AI Technical Summary

Problems solved by technology

When the overall load is greater, the requirements for corbels or load-bearing components are higher, and the components are changed from force limitation to deformation limitation, and the rigidity requires the section of the component to increase continuously, making it difficult for the steel platform formwork equipment to withstand excessive loads

At the same time, because the internal force of the corbel or load-bearing members is difficult to effectively measure, it is difficult to effectively evaluate the safety during the operation process and climbing process

[0005] At the same time, whether it is the lifting type or the jacking type, there is a problem of lifting the auxiliary member column under pressure and instability, which will limit the single climbing height of the steel platform formwork equipment, making each climbing a small distance , it is necessary to re-switch the force system and check the synchronization, so that the climbing speed and climbing efficiency are greatly reduced

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