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Numerical Analysis of Seismic Pounding between Adjacent Buildings Accounting for SSI

Abstract

The structural pounding caused by an earthquake may damage structures and lead to their collapse. This study is focused on the pounding between two adjacent asymmetric structures with different dynamic properties resting on the surface of an elastic half-space. An exploration of the relationship between the effects of the seismic analysis with the impact response to the torsional pounding between adjacent buildings under different SSI effects has been presented. In this paper, the authors have proposed a procedure for analyzing the response for adjacent buildings subjected to the pounding effects, considering systems with multiple degrees of freedom and modal equations of motion with four types of soil. All the calculations have been performed based on the fourth-order Runge–Kutta method. The novelty of the present study is related to the fact that the rigorous and approximate methods are used to examine the effects of pounding and SSI simultaneously. As a result, these two methods have been thoroughly investigated for both effects and the results have been compared. The results show that the approximate method produces results that are slightly different from those obtained by the rigorous direct integration method in the case of small SSI effects due to an increase in the pounding force. The efficiency of the method is also validated using numerical examples.

Citations

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Keywords

Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
Applied Sciences-Basel no. 13,
ISSN: 2076-3417
Language:
English
Publication year:
2023
Bibliographic description:
Uz M. E., Jakubczyk-Gałczyńska A., Jankowski R.: Numerical Analysis of Seismic Pounding between Adjacent Buildings Accounting for SSI// Applied Sciences-Basel -,iss. 13(5):3092 (2023), s.1-19
DOI:
Digital Object Identifier (open in new tab) 10.3390/app13053092
Sources of funding:
  • COST_FREE
Verified by:
Gdańsk University of Technology

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