Functionally-recoverable steel frame eccentric supporting system

Abstract

The invention belongs to the field of structural engineering and relates to a functionally-recoverable steel frame eccentric supporting system. Main components of the system and main component of a connection device can be produced in factories, so that a construction period is sharply shortened, and construction quality is improved. Upper flange cover plates are inner cover plates for flange cover plate buckling amplitude control, and lower flange cover plates are outer cover plates with excellent performance visibility and replacement decidability. By targeted design, structural damages under seismic load action occur at energy-consumption components including high-strength bolts, connection plates and the like easy to replace, post-earthquake restoration is facilitated, and developmentdemands of functionally-recoverable fabricated steel structures are met.

Description

technical field [0001] This patent relates to a steel frame eccentric support system with recoverable functions, which belongs to the technical field of structural engineering. Background technique [0002] With the acceleration of the urbanization process, the development of the construction field and the continuous improvement of the technical level, coupled with the impact of environmental pollution and resource waste, the defects of poor environmental protection in the traditional building system are gradually exposed, and the green fabricated steel structure has begun to become a building The main types of systems. Compared with the traditional system, this system has significant advantages in terms of construction quality and construction efficiency. "Building blocks" is a representative construction method, which greatly speeds up the construction speed and saves project funds. Applying it to the design and development of various building systems is the main trend i...

AI Technical Summary

Problems solved by technology

[0003] The unreasonable design of the frame system causes brittle failure of the structure under the earthquake load, aggravates the earthquake disaster, and threatens the safety of people's lives and property

Existing studies have shown that targeted strengthening of the beam-column joints of the frame system or weakening of specific areas on the beam can achieve the purpose of moving the plastic hinge outward, thereby protecting the beam-column joints and meeting the design requirements of "strong joints and weak members" At the same time, the pre-assembled floor and beam sections can be transported to the construction site for assembly, which can greatly save the time of on-site concrete pouring; in addition, the traditional frame system is difficult to repair after damage or the loss caused by irreparable damage is very huge. There is an urgent need for an earthquake The recoverable functional structure that can restore the function without repair or minor repair has become a research hotspot in the field of international earthquake engineering in recent years.

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