附加粘弹性阻尼器的钢框架结构减震性能研究

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振动与冲击 ›› 2016, Vol. 35 ›› Issue (20) : 209-219.

论文

魏春彤，裴星洙

作者信息 +

Study on seismic performance of steel frame structures with viscoelastic dampers

WEI Chun-tong，PEI Xing-zhu

Author information +

文章历史 +

摘要

定义未加粘弹性阻尼器的结构为原结构，附加粘弹性阻尼器的结构为消能减震结构。建立12层钢框架结构模型并计算其恢复力特性，根据原结构以及采用分数微分方法计算的消能减震结构的振动微分方程，分别编制两种结构的弹塑性时程分析程序，计算在多种地震动作用下的地震反应，并对两者的能量分配进行比较分析。对消能减震结构中粘弹性阻尼器的不同布设方式以及投放量进行研究，得出阻尼器投放量与楼层的相关性并进行验证。结果表明，粘弹性阻尼器不仅具有很好的减震效果，而且可以根据阻尼器投放量与楼层的相关性确定阻尼器投放量，使结构的减震效果达到较优的状态。

Abstract

Define the structure without being added viscoelastic dampers as the original structure and the structure added viscous dampers as energy dissipation structure. A 12-story steel frame structure model is established and its restoring force characteristic is calculated. Write the elastic plastic time history analysis program of two kinds of structures according to the vibration differential equation of the original structure the energy dissipation structure and the vibration differential equation, which is based on the fractional differential method. Calculate the seismic responses under a variety of earthquake actions and compare the energy distribution. Do some reach on the viscoelastic dampers with different layout methods and delivery which is aimed at getting and verifying the relevance between the delivery and the story. The results show that the viscoelastic dampers not only have good shock absorption effect, but also can confirm the delivery using the relevance above which guarantee the structure to reach a optimum state.

导出引用

魏春彤，裴星洙. 附加粘弹性阻尼器的钢框架结构减震性能研究[J]. 振动与冲击, 2016, 35(20): 209-219

WEI Chun-tong，PEI Xing-zhu. Study on seismic performance of steel frame structures with viscoelastic dampers[J]. Journal of Vibration and Shock, 2016, 35(20): 209-219

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