Rear H-shaped steel cantilever scaffold and construction method thereof

Abstract

The invention discloses a rear H-shaped steel cantilever scaffold and a construction method thereof. The rear H-shaped steel cantilever scaffold comprises a scaffold main body, a steel pipe and H-shaped steel, wherein the H-shaped steel is horizontally arranged; a bottom flange at the inner end of the H-shaped steel is fixedly arranged on lower-layer existing concrete floor; the H-shaped steel outward penetrates out an existing wall body to form a cantilever section; the scaffold body is fixedly arranged on the cantilever section of the H-shaped steel; the steel pipe is erected between the upper-layer existing concrete floor and the lower-layer existing concrete floor; the upper end of the steel pipe is connected with the upper-layer existing concrete floor and the lower end of the steel pipe is connected with a top flange at the inner end of the H-shaped steel. Compared with a mode that the existing cantilever scaffolding is stressed by one-layer existing concrete floor, a mode of jointly bearing force by the upper-layer existing concrete floor and the lower-layer existing concrete floor, disclosed by the invention, has the advantages that the transmission path of force is changedand the damage to the floor can be reduced; in addition, the safety of the scaffold is improved; meanwhile, the limit requirements of size and strength of the floor on the cantilever scaffolding arereduced and the use range is wider.

Description

technical field [0001] The invention relates to a scaffold, in particular to a post-mounted H-shaped steel cantilevered scaffold, and also relates to a construction method of the rear-mounted H-shaped steel cantilevered scaffold. Background technique [0002] Scaffolding is a working platform set up to ensure the smooth progress of the construction process. At present, the construction of cantilevered scaffolds usually requires pre-embedded components on the floor. When building a scaffold on an existing building, since there are no pre-embedded components, post-installed components are required. The post-located components are mainly used on the existing floor. The method of drilling and embedding components. However, this approach has the following drawbacks: [0003] ⑴ Drilling holes to embed components on the existing floor, and the force of the existing concrete floor on the first floor will cause damage to the existing concrete floor. [0004] (2) The construction o...

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Problems solved by technology

[0003] ⑴ Drill holes to embed components on the existing floor, and the force of the existing concrete floor on the first floor will cause damage to the existing concrete floor

[0006] ② Some existing buildings have been built for a long time, and the concrete strength of the floor slab is not high, which affects the construction of cantilevered scaffolding

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