High-low-strength multi-layer steel plate combined self-centering energy dissipating wall

Abstract

The invention provides a high-low-strength multi-layer steel plate combined self-centering energy dissipating wall which comprises a wall body formed by combining a plurality of layers of high-strength steel plates and low-strength steel plates. The low-strength steel plates are arranged between the high-strength steel plates, and the low-strength steel plates and the high-strength steel plates are fixedly connected through bolts. According to the high-low-strength multi-layer steel plate combined self-centering energy dissipating wall, good lateral stiffness and energy-dissipating capacity can be provided for the structure, and the combined function of low-yield-point steel and high-strength steel can be fully utilized, so that the energy dissipating wall has good post-yield stiffness and self-centering capacity, and structural residual deformation generated by earthquakes is reduced. A damper can be fast and conveniently reset or replaced after the earthquakes. By means of the energy dissipating wall, great significance is achieved on reducing and controlling building earthquake damage and achieving non-break or fast restoration of the function of a building.

Description

technical field [0001] The invention relates to building energy dissipation and shock absorption technology, in particular to a self-resetting energy dissipation wall composed of high and low strength multilayer steel plates. Background technique [0002] The steel plate shear wall was developed in the late 20th century, and it is a new type of anti-lateral force system used to resist horizontal actions (earthquake action, wind load) in buildings. As the main anti-lateral force member of the steel structure, it has the advantages of large elastic initial stiffness, good deformation capacity, good plasticity and stable energy dissipation capacity, and is a kind of anti-lateral force with great development and application prospects. Force members, especially suitable for areas with high seismic intensity. Compared with the traditional reinforced concrete shear wall, the steel plate shear wall has the advantages of small weight, low price, strong deformation capacity, and conv...

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Problems solved by technology

[0003] However, a large number of tests and analyzes have shown that the steel plate shear wall has good deformation capacity, but the energy dissipation capacity of the structure before yielding is poor, which is not conducive to shock absorption. Once yielding occurs, its lateral stiffness is significantly reduced, and Larger deformation will produce larger residual deformation, which can affect the continued use of the building and even the safety of the entire structure

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