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研究开发了一种新型的高阻尼比减隔震支座,设计了一个与实际工程结构相接近的Y字型巨-子结构钢模型,并分别对传统巨-子型结构抗震体系和采用新型减隔震支座连接的控制体系进行了振动台试验。结果表明,与传统的巨-子型结构抗震体系相比,新型的巨-子结构控制体系在地震作用下的反应显著降低,具有良好的减震效果。由试验观察到的该控制体系减震机理与理论分析结果相吻合,可为工程设计和应用提供参考。
A new type of Y-shaped giant-substructure steel model is designed and developed with a new type of damping-isolation bearing with high damping ratio. A Y-shaped giant-substructural steel model is designed and applied to the traditional giant-substructure seismic system and a new type of Y- Vibration reduction test was carried out on the control system connected with isolated bearings. The results show that compared with the traditional giant-substructure anti-seismic system, the new giant-substructure control system has a significantly lower response to earthquakes and a good damping effect. The damping mechanism of the control system observed by the experiment is consistent with the theoretical analysis results, which can provide reference for engineering design and application.