建筑结构学报2025，Vol.46Issue(9)：35-43,9.DOI:10.14006/j.jzjgxb.2024.0308
基于调谐机制的拉索连接惯容系统的多模态减震设计方法
Multimodal design method of cable-bracing inerter systems based on tuning mechanism
摘要
Abstract
Large acceleration response in high-rise building structures is a critical factor leading to damage of non-structural components and equipment,as well as adversely impacting vibration comfort of the structure.To enhance the post-earthquake resilience of essential high-rise buildings and improve structural vibration comfort,it is necessary to implement synchronous control measures for both floor displacement and acceleration.In this context,a cable-bracing inerter system(CBIS)is proposed,which integrates tension-only cables with concrete-filled steel tube(CFST)compression members,thereby enabling the system to provide both tensile and compressive actuation.This design allows the inerter component to reset under alternating tension and compression forces.To simultaneously control the top-floor acceleration and displacement responses,a multimodal tuning strategy is developed.The stochastic seismic response of the CBIS-controlled structure is analytically derived under this multimodal control framework,and a corresponding optimization design process is established.Furthermore,time-history analyses of the CBIS-controlled structure are conducted to verify the effectiveness of the proposed optimization methodology.The results show that tuning the CBIS to frequencies near the first three vibration modes of a supertall structure enables synchronized control of top acceleration and displacement responses,reducing to 87.6％and 82.0％of the uncontrolled levels on average,respectively.关键词
惯容系统/拉索支撑系统/性能化设计方法/被动控制技术/结构减震Key words
inerter system/cable-bracing system/performance-based design method/passive control technology/structural seismic mitigation分类
建筑与水利引用本文复制引用
谢丽宇,班鑫磊,康建飞,薛松涛..基于调谐机制的拉索连接惯容系统的多模态减震设计方法[J].建筑结构学报,2025,46(9):35-43,9.基金项目
政府间国际科技创新合作重点专项(2021YFE0112200),上海市自然科学基金面上项目(20ZR1461800),上海市白玉兰人才计划浦江项目(23PJ1421100). （2021YFE0112200）
