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

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 d...

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Bibliographic Details
Published inJournal of earthquake engineering : JEE Vol. 28; no. 4; pp. 972 - 997
Main Authors Kapasakalis, K., Mantakas, A., Kalderon, M., Antoniou, M., Sapountzakis, E. J.
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis 11.03.2024
Taylor & Francis Ltd
Subjects
Earthquake dampers
Earthquakes
KDamper
multiple tuned mass dampers
Negative stiffness
Performance evaluation
Seismic activity
seismic protection
vibration control mechanism
Vibration isolators
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Summary: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 than5%, using0 times lower total additional masses, rendering it a realistic and compelling alternative for passive seismic protection.
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ISSN:1363-2469
1559-808X
DOI:10.1080/13632469.2023.2226227