Novel seismic hardening method for walls between windows

Abstract

The invention relates to a novel seismic hardening method for walls between windows. The method comprises the following steps of: firstly, adhering carbon fiber vertically around the wall body of the original wall between windows; respectively adhering the carbon fiber on the top and the bottom near the original wall between windows in the directions of 45 degrees and 135 degrees; circularly adhering the carbon fiber on the original wall between windows; finally, adhering the carbon fiber clothes at the top and the bottom of the door of the original wall between windows in the transversal direction until adhering to the construction column. Therefore, the invention enhances the bending resistance, compression resistance, shearing resistance, and the force transmitting capability with the peripheral members of the wall between windows, and prevents the inclined cracks from generating. Compared with the traditional seismic hardening method for walls between windows, the invention has strong shakeproof capability, no influence to the appearance and the function of buildings, convenient construction, safe and reliable structure, and the like.

Description

technical field [0001] The invention relates to the field of construction engineering, in particular to the field of anti-seismic reinforcement of construction engineering, which can be used for anti-seismic reinforcement of walls between windows of buildings. Background technique [0002] The setting of the wall between windows is one of the extremely important elements in the field of architectural engineering. The biggest feature of these window walls is the large aspect ratio, resulting in insufficient seismic performance. At present, the seismic strengthening method of the wall between the windows is mainly carried out according to the "Technical Regulations for Seismic Reinforcement of Buildings" (hereinafter referred to as the "Regulations"). Article 5.2.3.1 of the "Regulations" stipulates that when the width of the load-bearing window wall is too small or the seismic capacity cannot meet the requirements , can add reinforced concrete window frames, or use surface la...

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Problems solved by technology

[0004] (1) Affect appearance

The addition of reinforced concrete window frames will cause changes in the facade of the building and affect the appearance of the building. Therefore, this method is not allowed for ancient buildings and buildings with strict appearance requirements. principles run counter to

[0005] (2) There are construction safety hazards

The width of the wall between the windows is small, and the masonry strength of ancient buildings is generally low. If it is attempted to remove the original wall between the windows to install a concrete frame, it will inevitably lead to unsafe reinforcement construction or even collapse. Accident case

[0006] (3) Affect the lighting effect

Daylighting is an important function of a window opening. If a window frame is added on the basis of the original structure, especially in the inner circumference of the window opening, the opening will be reduced and the lighting area of ​​the building will be affected.

[0007] (4) Difficult construction and long construction period

To set up the surface layer or slab wall, the foundation must be done, and the foundation must be redone on the already built building. Adding the weight of the slab wall will undoubtedly greatly increase the load on the foundation

[0010] (2) Influence the facade

After the reinforcement of the surface layer or slab wall, the façade will undergo a relatively large change, making the façade change tend to be single, and the original architectural effect will not be maintained, which violates the principle of "repairing the old as it is"

[0011] (3) It is difficult to guarantee the overall force

Pouring concrete surface or concrete slab wall inside and outside the wall of the original structure will reduce the usable area of ​​the building, bring inconvenience to users, and affect the use function of the building

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