模块化建筑阵列多调谐质量阻尼系统的实现与减震研究

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振动与冲击 ›› 2024, Vol. 43 ›› Issue (6) : 262-272.

论文

何晴光1,2，张释佺1，朱前坤1,2，洪祺凯1

作者信息 +

Implementation and vibration control of an array multi-tuned mass damping system for modular buildings

HE Qingguang1,2 ， ZHANG Shiquan1， ZHU Qiankun1,2， HONG Qikai1

Author information +

文章历史 +

摘要

基于建筑模块化和悬挂楼板减震的原理提出了悬挂楼板模块体系（modularized suspended floors system, MSFS）。利用楼板作为质量块，组成分布阵列式多调谐质量阻尼器（distributed array multiple tuned mass dampers, d-array-MTMDs）系统。通过输入32条远场和近场地震动记录进行时程分析，对平均调谐频率比η、调谐频带宽度系数β、调谐阻尼比ζT、TMD数量n以及主结构层数N，共5个参数展开研究。结果表明，d-array-MTMDs的减震效果优于普通MTMDs系统；ζT对系统减震性能影响较小，当η为0.7~1.0、β为2.0时，系统具有更好的减震效果；当n大于某阈值时，系统的减震效果趋于稳定，阈值与η线性正相关，与ζT非线性负相关。随着模块建筑层数的增加，系统也能维持较好的减震效果。

Abstract

A modularized suspended floors system (MSFS) was proposed based on the principle of building modularity and vibration controlling by using suspended floors. A distributed array multiple tuned mass dampers (d-array-MTMDs) system was constructed using floor stabs as TMDs. Thirty-two ground motion records were entered for time-history analysis and the optimal values of the five parameters are given, including the average tuning frequency ratio η, the tuning bandwidth coefficient β, the tuning damping ratio ζT, the number of TMDs n, and the number of layers N of the main structure. The results show that the damping effect of d-array-MTMDs system is better than that of ordinary MTMDs system. ζT has little influence on the vibration control performance of the system. When η is 0.7~1.0 and β is 2.0, the system has the best vibration control effect. When n is greater than a certain threshold, the vibration control effect and stability of the system are improved significantly. The threshold is positively correlated with η and negatively correlated with ζT. With the increase of the number of a module building storey, the system can also maintain an improved vibration control effect.

导出引用

何晴光1,2，张释佺1，朱前坤1,2，洪祺凯1. 模块化建筑阵列多调谐质量阻尼系统的实现与减震研究[J]. 振动与冲击, 2024, 43(6): 262-272

HE Qingguang1,2,ZHANG Shiquan1， ZHU Qiankun1,2， HONG Qikai1. Implementation and vibration control of an array multi-tuned mass damping system for modular buildings[J]. Journal of Vibration and Shock, 2024, 43(6): 262-272

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