A Modular Steel Tube Concrete Multidimensional Energy Dissipative Wall with Uniform Stress Distribution Under Earthquake

Abstract

The invention discloses a modularized steel pipe concrete multi-dimensional energy-dissipating wall with uniform stress distribution under earthquake, which belongs to the field of anti-seismic technology of assembled structures. The system is composed of prefabricated special-shaped concrete-filled steel tubes, connectors between concrete-filled steel tubes, beam connectors and bolts. The prefabricated special-shaped concrete-filled steel tube is filled with high-performance concrete polymer, which complements the mechanical properties of the external steel tube so that the member has good ductility when it is deformed in-plane and out-of-plane. The energy-dissipating wall adopts distributed walls, and the distributed walls are arranged along the beam direction or perpendicular to the beam direction. When the distributed wall deforms in-plane under the external multi-dimensional excitation, it provides the structure with the ability to resist lateral force; when When the wall deforms out-of-plane, the wall is bent out-of-plane and the stress is evenly distributed at the same thickness, so that the bending energy is dissipated while making full use of the material properties. Each component of the energy-dissipating wall is completely prefabricated by the factory, with controllable quality, and adopts prefabricated modular installation, which is convenient and fast for construction, and can reduce construction period and cost.

Description

technical field [0001] The invention relates to a modularized steel pipe concrete multi-dimensional energy-dissipating wall with uniform stress distribution under earthquakes, and belongs to the field of anti-seismic technology of assembled structures. Background technique [0002] Earthquake disasters can cause damage or even collapse of building structures, resulting in casualties and economic losses. The wall is an indispensable part of the structure, which can improve the structure's ability to resist lateral forces or only serve as a partition to divide the plane space. However, there are many limitations in the form and function of traditional walls, especially under the action of earthquakes, many problems have been exposed. Traditional reinforced concrete shear walls are prone to cracking under the action of earthquakes, and there is a phenomenon of concentrated damage and damage. The damage is serious and concentrated. The phenomenon shows the problems of insuffici...

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Problems solved by technology

[0005] In order to improve the shortcomings of the existing wall form, such as difficulty in construction, inability to make full and reasonable use of material properties, weak external energy dissipation capacity of the wall surface and easy damage, which affects the in-plane lateral resistance performance, and insufficient ductility, a new method of uniform stress under earthquake is proposed. Distributed modular steel tube concrete multi-dimensional energy-dissipating wall, the wall adopts distributed modular wall, adopts factory prefabrication, fully dry assembly production and construction method, has strong energy dissipation capacity and lateral force resistance ability inside and outside the surface, and the damage Uniform and controllable, has strong ductility and is not prone to stiffness degradation, and can be flexibly arranged according to the opening requirements

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