Abstract
Number of studies are reported in literature on the response of structures with different dampers and the combination of more than one damper. An isolated floor slab system, which can move relative to the frame for energy dissipation through friction, is suggested in literature, and a simplified idealization has been adopted for modelling the same. In order to determine the response of the isolated floor slab more realistically, three-dimensional finite element simulation of isolated floor slab with friction contact surface has been demonstrated in the present study. Time history analyses with four earthquake ground motions are carried out for a single-storey and a three-storey frame with solid floor slab and isolated floor slab, and the responses are studied. From the comparison of results, it is observed that frame with isolated floor slab is an efficient passive energy dissipation mechanism and the percentage reductions in responses are different for different ground motions.
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Acknowledgements
This paper is published with the kind permission of the Director, CSIR-Structural Engineering Research Centre, Chennai, India. The support extended by Dr. K. Ramanjaneyulu and Dr. K. Rama Raju, Chief Scientists, CSIR-SERC, while carrying out this work is highly acknowledged.
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Kamatchi, P., Cheran Pandian, S., Ezhilarasi, N., Balaji Rao, K. (2019). Three-Dimensional Finite Element Simulation of Isolated Floor Slab with Friction Contact Surface. In: Rao, A., Ramanjaneyulu, K. (eds) Recent Advances in Structural Engineering, Volume 2. Lecture Notes in Civil Engineering , vol 12. Springer, Singapore. https://doi.org/10.1007/978-981-13-0365-4_33
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DOI: https://doi.org/10.1007/978-981-13-0365-4_33
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