[1]谢丽宇,班鑫磊,康建飞,等.基于模态参与消减的直连拉索连接惯容系统的简易算法[J].地震工程与工程振动,2022,42(06):104-113.[doi:10.13197/j.eeed.2022.0611]
　XIE Liyu,BAN Xinlei,KANG Jianfei,et al.Study on a simple design method for direct connected cable inerter system based on modal participation cancellation[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2022,42(06):104-113.[doi:10.13197/j.eeed.2022.0611]
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基于模态参与消减的直连拉索连接惯容系统的简易算法
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《地震工程与工程振动》[ISSN:/CN:]

卷:
42
期数:
2022年06期
页码:
104-113
栏目:
第十一届全国地震工程学术会议专题
出版日期:
2022-12-31

文章信息/Info

Title:
Study on a simple design method for direct connected cable inerter system based on modal participation cancellation
作者:
谢丽宇1;  班鑫磊2;  康建飞3;  薛松涛1; 4
1. 同济大学 土木工程学院, 上海 200092;
2. 上海电力设计院有限公司, 上海 200025;
3. 日本东北大学 灾害科学国际研究所, 宫城 仙台 980-8572;
4. 日本东北工业大学 建筑系, 宫城 仙台 982-8577
Author(s):
XIE Liyu1;  BAN Xinlei2;  KANG Jianfei3;  XUE Songtao1; 4
1. College of Civil Engineering, Tongji University, Shanghai 200092, China;
2. Shanghai Electric Power Design Institute Co., LTD., Shanghai 200025, China;
3. International Research Institute of Disaster Science, Tohoku University, Sendai 980-8572, Japan;
4. Department of Architecture, Tohoku Institute of Technology, Sendai 982-8577, Japan
关键词:
模态参与消减; 惯容系统; 拉索连接; 被动控制技术
Keywords:
modal participation cancellation; inerter system; cable-bracing; passive control technique
分类号:
TU318+.1
DOI:
10.13197/j.eeed.2022.0611
摘要:
高层建筑各层加速度响应峰值往往受到高阶模态的影响，文中通过模态参与消减机制来探究高层结构的模态参与因子对结构振动响应的影响，旨在消除高阶模态的影响，为实现高层建筑结构层间位移和加速度的同步控制提供新的设计方案。首先，基于地震输入减少特性，总结了直连拉索连接惯容系统的控制特点；然后，推导了基于模态参与消减的直连拉索连接惯容系统解析设计公式，从解析的层面揭示了惯容的表观质量与各阶模态参与因子的关系。基于该公式通过惯容表观质量的合理设定可以对模态参与因子进行调节，为拉索连接惯容系统的简化参数设计提供依据；最后，文中提出了全模态参与消减的简易算法，解决了全模态参与消减的惯容系统的实用化设计问题。
Abstract:
The peak acceleration response of each story of high-rise building is often affected by higher modes. In this paper, the influence of modal participation factor of high-rise structure on structural vibration response is explored based on modal participation cancellation, aiming to neutralize the influence of higher modes and provide a new design method for the synchronous control of peak displacement and acceleration response of high-rise buildings. Firstly, the control characteristics of the direct connected cable inerter system are summarized based on the input reduction characteristics. Then, the analytical design formula for the parameters of the inerter system is derived based on the modal participation cancellation, and the relationship between the apparent mass of inerter element and the modal participation factors of each order is revealed theoretically. The modal participation factors can be adjusted through the reasonable setting of the apparent mass of the inerter element, which provides the basis for the simplified design of the direct connected cable inerter system. Finally, this paper proposes a simple design method of full-mode participation cancellation, which solves the practical design problem of the direct connected cable inerter system.

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备注/Memo

备注/Memo:
收稿日期:2022-06-28;改回日期:2022-07-14。
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项目(20ZR1461800)
作者简介:谢丽宇(1978-),男,副教授,博士,主要从事结构减隔震与结构健康监测研究.E-mail:liyuxie@tongji.edu.cn
通讯作者:薛松涛(1963-),男,教授,博士,主要从事结构减隔震与结构健康监测研究.E-mail:xue@tongji.edu.cn
更新日期/Last Update: 1900-01-01