Computational Technology Resources - CCP

, "Mitigation of Vibrations in Buildings Induced by Railway Traffic in Tunnels: A Numerical Study", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 223, 2014. doi:10.4203/ccp.104.223

Keywords: numerical modelling, two-and-a-half dimensional FEM-PML, finite element method, tunnel-ground-building interaction, railway traffic, mitigation of vibrations.

Summary

In this paper, a numerical study is developed in order to better discern the impact of the use of floating slabs systems for the isolation of vibrations inside of a building located in the surroundings of a railway tunnel. The numerical method adopted is based on a sub-structuring approach, where the train is simulated by a multi-body model; the track-tunnel-ground system is modeled by a two-and-a-half dimensional FEM-PML approach; and the building by resource to a three dimensional finite element method. The coupling of the building to the ground is established taking into account the soil-structure-interaction (SSI). The comparison between isolated and non-isolated scenarios allowed concluding that the mat's stiffness is a key parameter on the efficiency of floating slab systems. Furthermore, it was found that the selection of the stiffness of the mats should be performed carefully in order to avoid amplification of the vertical vibrations of the slabs of the building.

purchase the full-text of this paper (price £20)

go to the previous paper
go to the next paper
return to the table of contents
return to the book description
purchase this book (price £65 +P&P)

	Computational & Technology Resources an online resource for computational, engineering & technology publications
	not logged in - login
Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 104 PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 223 Mitigation of Vibrations in Buildings Induced by Railway Traffic in Tunnels: A Numerical Study P. Lopes¹, P. Alves Costa², R. Calçada² and A. Silva Cardoso² ¹School of Engineering, Polytechnic of Porto, Portugal ²Faculty of Engineering, The University of Porto, Portugal doi:10.4203/ccp.104.223 purchase the full-text of this paper Full Bibliographic Reference for this paper , "Mitigation of Vibrations in Buildings Induced by Railway Traffic in Tunnels: A Numerical Study", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 223, 2014. doi:10.4203/ccp.104.223 Keywords: numerical modelling, two-and-a-half dimensional FEM-PML, finite element method, tunnel-ground-building interaction, railway traffic, mitigation of vibrations. Summary In this paper, a numerical study is developed in order to better discern the impact of the use of floating slabs systems for the isolation of vibrations inside of a building located in the surroundings of a railway tunnel. The numerical method adopted is based on a sub-structuring approach, where the train is simulated by a multi-body model; the track-tunnel-ground system is modeled by a two-and-a-half dimensional FEM-PML approach; and the building by resource to a three dimensional finite element method. The coupling of the building to the ground is established taking into account the soil-structure-interaction (SSI). The comparison between isolated and non-isolated scenarios allowed concluding that the mat's stiffness is a key parameter on the efficiency of floating slab systems. Furthermore, it was found that the selection of the stiffness of the mats should be performed carefully in order to avoid amplification of the vertical vibrations of the slabs of the building. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £65 +P&P)
Back to top	©Civil-Comp Limited 2023 - terms & conditions