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Mitigating the seismic pounding of multi-story buildings in series using linear and nonlinear fluid viscous dampers
Abstract
Seismic-induced pounding between adjacent buildings may have serious consequences, ranging from minor damage up to total collapse. Therefore, researchers try to mitigate the pounding problem using different methods, such as coupling the adjacent buildings with stiff beams, connecting them by using viscoelastic links, and installing damping devices in each building individually. In the current paper, the effect of using linear and nonlinear fluid viscous dampers to mitigate the mutual pounding between a series of structures is investigated. Nonlinear finite element analysis of a series of adjacent steel buildings equipped with damping devices was conducted. Contact surfaces with both contactor and target were used to model the mutual pounding. The results indicate that the use of linear or nonlinear dampers leads to the significant reduction in the response of adjacent buildings in series. Moreover, the substantial improvement of the performance of buildings has been observed for almost all stories. From the design point of view, it is concluded that dampers implemented in adjacent buildings should be designed to resist maximum force of 6.20 or 1.90times the design independent force in the case of using linear or nonlinear fluid viscous dampers, respectively. Also, designers should pay attention to the design of the structural elements surrounding dampers because considerable forces due to pounding may occur in the dampers at the maximum displaced position of the structure.
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Authors (3)
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Hytham Elwardany
- Delta University for Science and Technology, Belkas, Egypt
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Ayman Seleemah
- Tanta University, Tanta, Egypt
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Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1007/s43452-021-00249-9
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Archives of Civil and Mechanical Engineering
no. 21,
ISSN: 1644-9665 - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Elwardany H., Jankowski R., Seleemah A.: Mitigating the seismic pounding of multi-story buildings in series using linear and nonlinear fluid viscous dampers// Archives of Civil and Mechanical Engineering -Vol. 21,iss. 4 (2021), s.137-
- DOI:
- Digital Object Identifier (open in new tab) 10.1007/s43452-021-00249-9
- Verified by:
- Gdańsk University of Technology
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