结构工程师2023，Vol.39Issue(6)：70-77,8.
基于阻尼器参数及算法的附加阻尼比计算探讨
Discussions on Calculation of Additional Damping Ratio Based on Damper Parameters and Algorithms
陈云 1缪宇潇 2陈晓 2李宇阳 2温良剑2
作者信息
- 1. 同济大学土木工程学院,上海 200092||上海蓝科建筑减震科技股份有限公司,上海 200433
- 2. 上海蓝科建筑减震科技股份有限公司,上海 200433
- 折叠
摘要
Abstract
In this study,actual engineering cases serve as the background for analyzing the influence of viscous damper parameters on the additional damping ratio under different seismic intensities.The calculation differences of the additional damping ratio between the normative method and the energy ratio method are also examined.Taking into account factors such as damping coefficient,damping index and seismic intensity,parametric analysis is carried out using Etabs software.It was found that the relationship between the damping coefficient and damping index and the additional damping ratio under earthquakes of different intensities is parabolic,where it initially increases and then decreases.There exists an optimal solution,and as earthquake intensity increases,the optimal solution parameters become larger.When the damping coefficient or index is small,the damping ratio is maximum under frequent earthquakes.When moderate,it is maximum under design basis earthquakes,and when large is maximum under rare earthquakes.The normative method yields larger results than the energy ratio method when the floor is low,torsional effects are small,or seismic intensity is low,with the relationship between the two varying accordingly.关键词
黏滞阻尼器/附加阻尼比/地震强度/规范法/能量比值法/无害位移Key words
viscous damper/additional damping ratio/seismic intensity/normative method/energy ratio method/harmless displacement引用本文复制引用
陈云,缪宇潇,陈晓,李宇阳,温良剑..基于阻尼器参数及算法的附加阻尼比计算探讨[J].结构工程师,2023,39(6):70-77,8.
