High-altitude long-span overhanging corridor type reinforced concrete structure and construction method

Abstract

The invention relates to a high-altitude long-span overhanging corridor type reinforced concrete structure and a construction method, wherein the corridor part is a stiff beam structure; with own bearing capacity of a profile steel, a beam template supporting system is a hung template supporting system in such a manner of fixing a square steel by means of a U-shaped screw and a nut; a floorslab is a self-supporting steel bar truss template which is welded to a pre-embedded steel plate on the stiff beam by means of a pin; and a steel platform is arranged on a corresponding floor at the lower part of the corridor as an operating and safety protection platform for template support construction. The high-altitude long-span overhanging corridor type reinforced concrete structure and the construction method have the advantages that: the template supporting construction method, according to which the operating platform is built from H-steel or profile steel beams, the stiff beam is hung and is self-supported and the floorslab is self-supported, is employed, so that the problem of difficult template supporting of the high-altitude long-span overhanging corridor structure, the revolving materials are greatly saved, the construction cost is reduced, the construction progress is accelerated and the safety is ensured; and the steel plate is pre-embedded on the stiff beam, so that the floor bearing plate is effectively connected with the stiff beam and the floor bearing plate and the stiff beam are capable of acting together to ensure the safety of the structure.

Description

technical field [0001] The invention relates to the technical field of construction of a rigid concrete structure for a high-altitude cantilevered corridor, in particular to a high-altitude large-span cantilevered corridor shaped steel concrete structure and a construction method. Background technique [0002] With the development of urban construction, architects have given full play to their ingenuity and whimsy, and many buildings with peculiar shapes and complex structures have emerged one after another, which have brought visual impact to people, but also brought great challenges to engineers' construction. Great challenge. In particular, public buildings often adopt the method of high-altitude and large cantilever to meet the needs of the shape. For example, in the towers of several high-rise and super high-rise buildings in a row, the design requires half of each to be cantilevered in mid-air through a reinforced concrete structure. The formation of corridors connect...

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Problems solved by technology

[0003] However, there are not many similar projects in the country for the construction of stiff concrete structures with high-altitude and long-span cantilevered corridors. There are few construction technical measures and materials that can be referred to, and minor mistakes are prone to major safety accidents and major accidents caused by the collapse of the formwork system. Quality accidents, such as the occurrence of such accidents, will directly affect the life safety of construction workers and cause major quality accidents, which will cause huge losses to the country and enterprises, and also affect the reputation of enterprises

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