Abstract
Pounding between structures in series during earthquakes may cause serious damage in the structural elements. The aim of this paper is to show the results of an experimental and numerical study that is focused on pounding between more than two structures which may be described as “structures in series”. In this study, the shaking table experiments, as well as the numerical analyses, were performed using three tower models including rigid and flexible structures with different configurations and different gap distances under several earthquake excitations. The results show that pounding may affect the behaviour of the structures significantly. They also indicate that the rigid towers are more influenced by pounding than the flexible ones. Moreover, increasing or decreasing the gap distance may lead to increase or decrease in the response under different earthquakes with no specific trend. Furthermore, the optimal gap size has been found to be either the distance which prevents pounding or the zero gap.
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Acknowledgments
The authors would like to thank Ms. Barbara Sołtysik and Mr. Henryk Michniewicz for their help in conducting experiments.
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El-Khoriby, S., Seleemah, A., Elwardany, H., Jankowski, R. (2015). Experimental and Numerical Study on Pounding of Structures in Series. In: Matsagar, V. (eds) Advances in Structural Engineering. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2193-7_84
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DOI: https://doi.org/10.1007/978-81-322-2193-7_84
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