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研制开发了一种新型粘滞-弹性阻尼器,对DS1~DS8八种不同型号的粘滞-弹性阻尼器进行了低周循环加载试验和抗低周疲劳性能试验研究,研究了新型粘滞-弹性阻尼器的耗能性能、参数相关性能和抗低周疲劳性能,基于Kelvin模型建立了粘滞-弹性阻尼器的恢复力模型,并对该模型进行了验证分析。研究结果表明:粘滞-弹性阻尼器具有良好的耗能性能和抗低周疲劳性能,工作性能稳定、密封性好;基于Kelvin模型建立的粘滞-弹性阻尼器的恢复力模型能够很好地反映阻尼器的实际受力情况,理论与试验滞回曲线吻合性良好;阻尼器能够同时附加刚度和阻尼,并可兼作限位保护装置,在动力或静力荷载作用下均能发挥作用。
A new type of viscous-elastic damper has been developed and tested for low-cycle loading and low-cycle fatigue test of eight different types of viscous-elastic dampers of DS1 ~ DS8. The effects of the new viscous- Based on the Kelvin model, the resilience model of visco-elastic damper was established and the model was validated by the energy dissipation performance, parameter correlation performance and low cycle fatigue resistance of the elastic damper. The results show that viscous-elastic damper has good energy dissipation performance and low cycle fatigue resistance, stable performance and good sealing performance. The restoring force model of viscous-elastic damper based on Kelvin model can well Reflecting the actual force of the damper, the theory is in good agreement with the experimental hysteresis curve. The damper can add rigidity and damping at the same time, and can also act as a limit protection device, which can play a role under dynamic or static load.