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Retrofit Strategies for Seismic Protection of Multi-Story Structures with Extended KDamper Devices

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Retrofit Strategies for Seismic Protection of Multi-Story Structures with Extended KDamper Devices (EN)
Mantakas, Antonios
Sapountzakis, Evangelos
Kapasakalis, Konstantinos
Kalderon, Moris
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
2024-04-30
This paper evaluates the efficiency of the extended version of the KDamper (EKD) as a seismic retrofitting solution for existing multi-story building structures. Two distinct approaches are investigated. The first one considers the implementation of an EKD device at the structure's base level, a straightforward approach that simplifies the design process. The second one involves the dispersion of multiple EKDs throughout the height of the structure, a more computationally demanding approach, that aims to control higher modes, especially in high-rise structures. Three test cases are investigated, representing low, mid, and high-rise building structures. The primary objective is to provide insights into the effectiveness of each retrofitting strategy based on the structure's height and number of stories, presenting a comprehensive assessment of the advantages and disadvantages of each option. Overall, the results underscore the positive influence of the EKD system on the dynamic response of all examined multi-story structures, establishing it as a compelling technology for seismic retrofitting. Designers can compare different retrofitting strategies based on building height and number of stories to choose the most efficient option. (EN)
Damping (EN)
Negative Stiffness (EN)
Seismic Retrofitting (EN)
KDamper (EN)
English
Technical Chamber of Greece (EN)
2945-0330
Technical Annals; Vol. 1 No. 6 (2024): Technical Annals (EN)
Copyright (c) 2024 Konstantinos Kapasakalis, Antonios Mantakas, Moris Kalderon, Evangelos Sapountzakis (EN)
https://creativecommons.org/licenses/by-nc-sa/4.0
Technical Chamber of Greece
Technical Annals
Material Science and Engineering



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