Fabricated concrete beam column sliding self-resetting joint connecting structure and splicing method

Abstract

The invention provides a fabricated concrete beam column sliding self-resetting joint connecting structure and a splicing method. A pre-fabricated reinforced concrete beam is perpendicularly connectedwith a pre-fabricated reinforced concrete column through U-shaped steel plate embedded parts and E-shaped steel plate embedded parts. The U-shaped steel plate embedded parts and the E-shaped steel plate embedded parts are arranged oppositely and matched and connected through sliding positioning bolt units, and relative sliding can be achieved. A plurality of prestress tendons sequentially and horizontally penetrate through the pre-fabricated reinforced concrete beam, the U-shaped steel plate embedded parts and the E-shaped steel plate embedded parts, and finally penetrate out of the pre-fabricated reinforced concrete column. The extending ends of the prestress tendons are fixed through prestress tendon anchorage devices. The effect of effectively improving the energy dissipation capacityof a joint is achieved, and deformation and damage of the structure under the action of earthquakes are reduced to the greatest extent. By means of the structure and the method, the connection betweenthe pre-fabricated reinforced concrete beam and the pre-fabricated reinforced concrete column is achieved, requirements in actual design and construction are met, the structure can maintain large resistant-lateral rigidity, and operation is easy and convenient.

Description

technical field [0001] The invention relates to an assembled concrete beam-column slidable self-resetting node connection structure and an assembly method, belonging to the technical field of assembled concrete buildings. Background technique [0002] The prefabricated concrete structure has the advantages of improving production efficiency, energy saving and environmental protection, and convenient and quick construction. It is one of the important directions for the development of building structures in my country. At present, in this research field, the academic and engineering circles are focusing on how to safely, efficiently and reliably improve the seismic performance of the joints of prefabricated structural nodes and avoid unnecessary structural damage and destruction. [0003] In order to achieve the purpose of "equivalent to cast-in-place" for the traditional prefabricated concrete structure, the conventional method is to prefabricate the beams and columns, and ca...

AI Technical Summary

Problems solved by technology

Experimental research shows that this type of connection can ensure the stiffness and bearing capacity of the joint connection area, and the force is reliable, but the energy consumption is poor, and the grouting is prone to brittle failure under repeated earthquake loads

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