Anti-collapse performance test system capable of realizing fire and impact real-time coupling
By designing a collapse resistance test system including fire heating device, "three columns and two beams" substructure model, boundary constraint device and movable drop hammer impact device, the problem that the existing technology cannot achieve real-time coupling of fire and impact loads is solved, and an in-depth study of the steel structure's resistance to continuous collapse is achieved.
CN119803834AActive Publication Date: 2025-04-11JINAN UNIVERSITY
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Patent Information
- Application Number
- CN202510002982.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2045-01-02
AI Technical Summary
Technical Problem
The prior art cannot achieve real-time coupling between fire and impact loads, and cannot conduct in-depth research on the resistance to continuous collapse of steel structures under fire and impact coupling.
Method used
A collapse-resistant performance test system including a fire heating device, a "three-column and two-beam" substructure model, a boundary constraint device and a movable drop hammer impact device is designed, which can be tested under the real-time coupling of fire and impact loads.
Benefits of technology
Real-time coupling between fire and impact loads is achieved, and the impact of peripheral constraints and different impact positions on the collapse resistance of steel structures can be studied, filling the gap in existing test devices.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention relates to an anti-collapse performance test system capable of realizing fire and impact real-time coupling. The anti-collapse performance test system comprises a movable drop hammer impact device, a fire heating device, a boundary constraint device and a loading control and data acquisition device, the movable drop hammer impact device is used for applying an impact load at any position to the three-column two-beam type substructure model; the fire heating device is used for heating the substructure model and simulating a real fire scene; the boundary constraint device is used for providing different boundary constraint conditions for the substructure model; and the loading control and data acquisition device is used for controlling the fire heating and drop hammer impact process and acquiring test data. According to the invention, the anti-collapse performance test research of the three-column two-beam type substructure model under the fire hazard and impact real-time coupling can be realized, the influence of boundary constraint on the anti-collapse performance of the substructure model can be considered, the arbitrary change of the impact position of the drop hammer can be realized, and the diversified requirements of the anti-collapse performance test under the multi-disaster coupling can be met.
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