Separable sheath floor-adding structure of masonry buildings and floor-adding method thereof

Abstract

The invention discloses a separable sheath floor-adding structure of masonry buildings and a floor-adding method thereof, and belongs to the technical field of building reconstruction. Pile foundations are arranged under steel reinforced concrete battened columns, bottom plates and wing plates are arranged on the bottoms of the columns, the steel reinforced concrete battened columns are arranged on bearing tables in a floating mode, pre-stress steel strands are arranged between the lower parts of the steel reinforced concrete battened columns and the bearing tables, and the parts, higher than the masonry buildings, of the steel reinforced concrete battened columns are connected through steel Vierendeel trusses. According to the invention, the earthquake action is weakened through the structure swaying principle; the wing plates can be bent to dissipate energy and can be conveniently replaced after earthquakes; the sheath floor-adding structure has the self-restoring ability through the pre-stress steel strands, and structural residual deformation after the earthquakes is reduced. The separable sheath floor-adding structure overcomes two earthquake resistance shortcomings namely fragile first layers and large spans of common separable sheath floor-adding structures, and has the advantages that the earthquake action can be weakened, the structural damage parts can be controlled and the structural functions can be restored. According to the floor-adding method, all construction work is carried out outside the buildings, and problems caused by indoor construction are avoided.

Description

technical field [0001] The invention belongs to the technical field of building reconstruction, and in particular relates to a separate layer-adding structure of a masonry house and a layer-adding method thereof. Background technique [0002] The outer layer structure refers to adding a new structure on the periphery of the existing house, and "covering" it across the original structure. It is the only choice when the direct layering method is not feasible. According to whether it is connected with the existing house, the jacket plus layer structure can be divided into two types: integral type and separated type. The monolithic type needs to rely on the seismic capacity of the existing structure, which means that in most cases, the existing masonry structure needs seismic reinforcement. Moreover, it is very difficult to excavate the foundation indoors, pour beams and columns, and reinforce the walls. During the construction period, the user has to relocate temporarily, whic...

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Problems solved by technology

[0005] The first object of the present invention is to provide a kind of masonry house separated outer layer structure, which not only solves the two major seismic defects of the ordinary separated outer layer structure: weak first floor and large span problems, but also has the advantages of It has the advantages of reducing earthquake action, controllable structural damage, and recoverable structural functions.

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