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Optimum shapes and dimensions of rubber bumpers in order to reduce structural pounding during seismic excitations
Abstrakt
Large displacement of structures observed during seismic excitations may lead to collisions between two adjacent, insufficiently-separated buildings and may result in major damages of both of them. In many building codes, appropriate equations or approximately recommended distances between structures in order to avoid pounding hazard have been introduced. Unfortunately, further, more detailed considerations show that safety situation or economic aspects are not always satisfied due to the collisions between buildings and the cost of land, respectively. Hence, researchers have studied other approaches of reducing the negative pounding effects. Such methods include the use of tuned mass or liquid dampers. Moreover the increase in stiffness of building or reduction of mass of the structure are still considered. In this paper, another approach is considered by the application of rubber bumpers placed between buildings. The bumpers are attached at each story to absorb energy during impact. Several different shapes and dimensions of bumper elements were numerically investigated so as to find the most effective ones most effective in reducing structural pounding negative effects. For this purpose, two MDOF models of 3-story and 4-story buildings were firstly considered. Such parameters as lateral displacement, damage index, dissipated energy and impact forces were calculated and depicted as the results of numerical study. Then, different shapes and dimensions of bumpers were parametrically investigated.
Cytowania
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3
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0
Web of Science
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4
Scopus
Autorzy (6)
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Seyed Mohammad Khatami
- University of Applied Science and Technology
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Hosein Naderpour
- Semnan University
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Alireza Mortezaei
- Islamic Azad University
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M. Maddah
- University of Applied Science and Technology
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Pełna treść
- Wersja publikacji
- Accepted albo Published Version
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.istruc.2023.01.026
- Licencja
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otwiera się w nowej karcie
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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Structures
nr 48,
strony 1046 - 1056,
ISSN: 2352-0124 - Język:
- angielski
- Rok wydania:
- 2023
- Opis bibliograficzny:
- Khatami S. M., Naderpour H., Mortezaei A., Maddah M., Lasowicz N., Jankowski R.: Optimum shapes and dimensions of rubber bumpers in order to reduce structural pounding during seismic excitations// Structures -Vol. 48, (2023), s.1046-1056
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.istruc.2023.01.026
- Źródła finansowania:
-
- Publikacja bezkosztowa
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 75 razy
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