Performance Evaluation of Distributed Extended KDamper Devices for Seismic Protection of Mid-Rise Building Structures

被引:15
|
作者
Kapasakalis, K. [1 ,4 ]
Mantakas, A. [1 ]
Kalderon, M. [2 ]
Antoniou, M. [3 ]
Sapountzakis, E. J. [1 ]
机构
[1] Natl Tech Univ Athens, Inst Struct Anal & Antiseism Res, Sch Civil Engn, Athens, Greece
[2] Natl Tech Univ Athens, Sch Mech Engn, Dynam & Acoust Lab, Athens, Greece
[3] Swiss Fed Inst Technol, Inst Geotech Engn, Dept Civil Environm & Geomat Engn, Zurich, Switzerland
[4] Natl Tech Univ Athens, Inst Struct Anal & Antiseism Res, Sch Civil Engn, Zografou Campus, GR-15780 Athens, Greece
基金
欧盟地平线“2020”;
关键词
Negative stiffness; seismic protection; KDamper; multiple tuned mass dampers; vibration control mechanism; TUNED-MASS DAMPERS; OPTIMUM DESIGN; PARAMETERS; ABSORBER; VIBRATIONS; SYSTEM;
D O I
10.1080/13632469.2023.2226227
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
This study proposes a novel seismic protection strategy that applies and distributes extended KDamper devices (d-EKD) along the height of an existing mid-rise building structure. The performance of the d-EKD is assessed on a set of real earthquake records and is compared to a system with optimally distributed Tuned Mass Dampers (d-TMD). The proposed framework with the d-EKDs manages to outperform the d-TMDs, regardless the number of installed devices, further reducing the structure's dynamic responses by more than 15%, using 10 times lower total additional masses, rendering it a realistic and compelling alternative for passive seismic protection.
引用
收藏
页码:972 / 997
页数:26
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