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The Effectiveness of Rubber Bumpers in Reducing the Effects of Earthquake-Induced Pounding between Base-Isolated Buildings
Abstract
Th e methods for preventing earthquake-induced structural pounding between two adjacent buildings include ensuring a sufficient separation distance between them or decreasing their relative displacement during seismic excitation. Some equations or even specific values of such gap sizes between two buildings have been introduced so as to avoid collisions. Increasing the stiffness of buildings, using tuned mass dampers, applying liquid dampers, or decreasing the mass of the structures may reduce lateral displacements, and therefore pounding can be prevented. On the other hand, the application of base isolation systems may result in the elongation of the natural period of the building, thus increasing the probability of structural pounding. The aim of the present paper is to verify the effectiveness of using rubber bumpers to reduce the negative effects of earthquake- induced pounding between base-isolated buildings. The analysis was conducted for different gap sizes between buildings, as well as for various values of the thickness, number and stiffness of rubber bumpers. The results of the study show that the peak impact force decreases with increasing thickness, stiffness, and number of bumpers. Moreover, the peak impact forces are reduced with increasing gap size. The results of the investigation clearly indicate that the use of additional rubber bumpers can be considered an effective method for reducing the negative effects of earthquake-induced pounding between base-isolated buildings.
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Authors (6)
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Khatami Mohamma Seyed Asisstant Profesor
- Center of Semnan Municipality, University of Applied Science and Technology
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Hosein Naderpour
- Faculty of Civil Engineering, Semnan University
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Alireza Mortezaei
- Seismic Geotechnical and High Performance Concrete Research Centre
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Alireza Sharbatdar PhD
- Center of Semnan Municipality, University of Applied Science and Technology
Cite as
Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/app12104971
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Applied Sciences-Basel
no. 12,
ISSN: 2076-3417 - Language:
- English
- Publication year:
- 2022
- Bibliographic description:
- Mohamma Seyed K., Naderpour H., Mortezaei A., Sharbatdar A., Lasowicz N., Jankowski R.: The Effectiveness of Rubber Bumpers in Reducing the Effects of Earthquake-Induced Pounding between Base-Isolated Buildings// Applied Sciences-Basel -Vol. 12,iss. 10 (2022), s.4971-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/app12104971
- Sources of funding:
-
- COST_FREE
- Verified by:
- Gdańsk University of Technology
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