A diagonally reinforced thin-walled steel plate shear wall structure

By designing obliquely stiffened rectangular tension rings and angle steel in thin-walled steel shear walls, combined with high-strength bolts and T-shaped steel connections, the problems of earthquake-resistant energy consumption and non-falling performance of thin-walled steel shear walls under large earthquakes are solved. It achieves stronger resistance to lateral force and energy consumption, and is suitable for medium and high-rise buildings.

CN111364648BActive Publication Date: 2025-01-03GANSU CONSTR VOCATIONAL TECHNICAL COLLEGE
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Patent Information

Application Number
CN202010371836.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-05-06
Publication Date
2025-01-03
Estimated Expiration
2040-05-06

AI Technical Summary

Technical Problem

The existing thin-walled steel plate shear walls are difficult to meet the requirements of earthquake energy consumption and non-falling performance under the action of large earthquakes, and the residual stress caused by stiffening rib welding affects the performance of the steel plates, limiting its promotion in high-intensity seismic fortification zones.

Method used

Adopting an obliquely stiffened thin-wall steel plate shear wall structure, through the coordinated design of rectangular tension rings and angle steel, a multi-channel energy consumption mechanism is formed to prevent external deformation of the plate surface, improve the stable energy consumption capacity of the steel plate wall, and pass high-strength bolts and T Steel connection enhances the side resistance of the structure.

Benefits of technology

The sliding of the rectangular tension ring dissipates seismic energy, enhances the energy consumption capacity of steel plate walls, avoids damage to the main structure, improves the resistance to lateral force and energy consumption performance, and is suitable for applications in medium and high-rise buildings.

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Abstract

A diagonally stiffened thin-walled steel plate shear wall structure, comprising an embedded special-shaped thin-walled steel plate (8), an angle steel (3), a vertical constraint edge member (7), a horizontal constraint edge member (5), a high-strength bolt (4), a first T-shaped connecting plate (1), and a flat steel (2); the embedded steel plate is a special-shaped thin-walled steel plate (8); the horizontal constraint edge member (5) and the vertical constraint edge member (7) are connected by a T-shaped steel with a second bolt hole (11); the angle steel (3) is connected to the vertical constraint edge member (7), the horizontal constraint edge member (5), and the first T-shaped connecting plate (1). The four corners of the rectangular tension ring are connected to the angle steel bolts, so that the steel plate dissipates seismic energy through sliding between the bolts within the elastic-plastic range, the hysteresis curve is fuller, and the energy dissipation capacity is stronger. The presence of the angle steel stiffening rib can effectively prevent the plate surface from deforming outside, thereby improving the stable energy dissipation capacity of the steel plate wall.
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