新型分阶段屈服型软钢阻尼器的试验研究及数值模拟

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振动与冲击 ›› 2016, Vol. 35 ›› Issue (3) : 87-92.

论文

刘伟庆，缪卓君，王曙光，杜东升

作者信息 +

Experiments and numerical prediction of a new separable phase yielding mild steel damper

Liu Wei-Qing, Miao Zhuo-Jun, Wang Shu-Guang, Du Dong-Sheng

Author information +

文章历史 +

摘要

为弥补现有软钢阻尼器存在的不足，本文在耗能钢片的形状及组合规律方面加以改进，研发了一种剪切弯曲组合型分阶段屈服软钢阻尼器。采用试验和有限元模拟相结合的研究方法，探讨其基本性能和抗疲劳性能。试验结果显示这种阻尼器具有稳定的滞回性能和抗疲劳性能，表明了这种分阶段屈服型软钢阻尼器耗能效果明显，实现了两阶段屈服耗能机制，具有较好的减震效果，数值模拟结果与试验结果吻合良好。该型阻尼器构造简单，制作方便，可采用模块化组装设计方法，有广阔的工程应用前景。

Abstract

To compensate for the lack of existing mild steel dampers, we have improved the shape of energy dissipating steel sheets and the combination rules, a new shear bending combined stage yield mild steel damper was presented. The performance of the damper consists of shear energy dissipation components and bending energy dissipation components were analyzed by experiments and finite element simulation. The experimental results show that this damper possesses the stable hysteretic capacity and fatigue resistance capacity, so this stage yield mild steel damper has strong energy consumption capability and great damping effect, which achieved a two-stage energy-yielding mechanism. Numerical simulation is in good agreement with the experimental. This kind of damper has such advantages as obvious phased energy character, superior performance and simple structure. It can be designed by the method of module and assemble. The damper will have wide application prospect in future.

导出引用

刘伟庆，缪卓君，王曙光，杜东升. 新型分阶段屈服型软钢阻尼器的试验研究及数值模拟[J]. 振动与冲击, 2016, 35(3): 87-92

Liu Wei-Qing, Miao Zhuo-Jun, Wang Shu-Guang, Du Dong-Sheng. Experiments and numerical prediction of a new separable phase yielding mild steel damper[J]. Journal of Vibration and Shock, 2016, 35(3): 87-92

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