A construction method for a high-altitude cantilevered formwork support frame

Abstract

The invention discloses a construction method of an aerological overhanging template supporting frame body. The aerological overhanging template supporting frame body comprises an overhanging steel supporting platform and a template supporting frame, the overhanging steel supporting platform comprises a plurality of upper part overhanging steel girders, steel wire rope suspension devices are arranged on the upper parts of the upper part overhanging steel girders, and oblique supporting devices are arranged on the lower parts of the upper part overhanging steel girders. The construction methodof the aerological overhanging template supporting frame body comprises the steps that 1, the overhanging steel supporting platform is set up; 2, load test of the overhanging steel supporting platformis carried out; 3, a lower part frame body of the overhanging steel supporting platform is sealed; 4, a template supporting frame is set up; and 5, the template supporting frame is sealed. The construction is convenient and fast, the safety is good, the stability of the overhanging steel supporting platform can be effectively improved, the overhanging steel supporting platform is prevented from deforming, so that the template supporting frame on the upper part of the overhanging steel supporting platform is prevented from overturning, meanwhile, the load test is carried out on the overhangingsteel supporting platform, it is ensured that the overhanging steel supporting platform has enough bearing capacity, and the safe operation of the construction is ensured.

Description

technical field [0001] The invention belongs to the technical field of high-altitude cantilever structure construction, and in particular relates to a construction method for a high-altitude cantilever formwork support frame. Background technique [0002] At present, with the rapid development of economic construction and urbanization, high-rise or super high-rise buildings with different shapes are rapidly rising one after another in large and medium-sized cities. Using the high-altitude cantilever method, a certain high-altitude floor or roof cantilevered out of the building plane to form a high-altitude cantilever structure, making its shape a landmark landscape of urban architecture. This type of high-altitude cantilevered structure, especially the cast-in-place structure, needs to be erected with a cantilevered formwork support frame to complete the construction. However, the self-weight and wind load of the high-altitude cantilever structure are relatively large, and ...

AI Technical Summary

Problems solved by technology

If the calculation is completely based on the cantilever structure, the steel wire rope does not participate in bearing the load. For the ultra-long cantilever structure, the cross-sectional size of the steel cantilever beam will be large, resulting in a lot of waste of materials, and it is difficult to meet the requirements of structural safety. The cantilevered support frame needs to bear a large wind load, and there is a great risk of overturning when pouring the cantilevered structural slab, and the structural slab anchoring the cantilever beam may be damaged due to additional load

Images