Assembly type special-shaped column-beam connecting joint capable of being repaired after earthquake

Abstract

The invention discloses an assembly type special-shaped column-beam connecting joint capable of being repaired after earthquake, and belongs to the technical field of structural engineering. The assembly type special-shaped column-beam connecting joint device comprises a special-shaped column, an H-shaped beam with an end plate, a weakening connecting beam section, angle steel and a high-strengthbolt group. The manufacturing and welding work of the steel components are completed in a factory, the welding quality is easy to control, and only the prefabricated components need to be hoisted andconnected through the bolts on a construction site. After an earthquake, corrugated plates and weakened connecting beams can be replaced only by detaching the bolts and the angle steel, and the repairing difficulty is low. The connecting joint has the advantages of mechanical property and practical property at the same time, specifically, in the aspect of the mechanical property, the bearing capacity and the lateral stiffness of the special-shaped column are fully utilized, and the connecting joint has good anti-seismic property; and in the aspect of practical performance, the rapid assembly concept is emphatically achieved, and the protruding column problem in a house is solved.

Description

technical field [0001] The patent relates to a post-earthquake repairable assembled special-shaped column-beam connection node, which belongs to the technical field of structural engineering. Background technique [0002] The development of steel structure buildings is closely related to the development of steel structure housing industrialization. To realize the industrialization of steel structure housing requires the standardization of parts and components. At present, high-rise buildings are the main direction of my country's construction industry. Therefore, a method suitable for high-rise buildings is proposed. The new high-efficiency assembled standardized steel structure system and the assembled standardized components based on the new steel structure system are the basis for realizing the industrialization of steel structure housing and promoting the development of steel structure buildings. [0003] At present, there are a large number of welds in the plate-reinforc...

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Problems solved by technology

[0003] At present, there are a large number of welds in the plate-reinforced and flange-enlarged reinforced rigid beam-column joints that are often used in high-rise steel structure industrial and civil buildings. Under the action of earthquakes, stress concentration is prone to occur at the welds, resulting in cracking of the welds. Brittle failure of beam-column joints before the formation of plastic hinges, resulting in serious economic losses and casualties

In addition, these traditional node connection methods require a large number of on-site welding operations, slow construction speed, and low assembly rate, which greatly limit the development of fabricated high-rise steel structure systems. Load bearing capacity and seismic performance of fabricated beam-column joints

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