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International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
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Research Paper | Civil Engineering | India | Volume 6 Issue 7, July 2017

Dynamic Analysis of Suspension Bridge using Matlab Simulation

Firoz Abbasi, Sumit Pahwa

This paper presents a full-scale analysis of wind and traffic-induced vibrations of a long-span suspension bridge in complex terrain. Several wind and acceleration sensors have been installed along the main span on Lysefjord Bridge in Norway whose data has been available for study purpose. In the present study, three days of continuous records are analysed. Traffic-induced vibrations are dominant at low and moderated wind speed, with non-negligible effects on the overall bridge response for heavy vehicles only. Traffic and wind-induced vibrations are compared in terms of root mean square of the acceleration response, and three simples approaches are proposed to isolate records dominated by wind-induced vibration. The first one relies on the separation of nocturnal and diurnal samples. The second one is based on the evaluation of the time-varying root mean square of the acceleration response. The last one evaluates the relative importance of the high frequency domain of the acceleration bridge response. It appears that traffic-induced vibrations may have to be taken into account for the buffeting analysis of longspan bridge under moderated wind

Keywords: dynamic load, suspension bridge, eigen value, seismic loads, cable layout

Edition: Volume 6 Issue 7, July 2017

Pages: 1175 - 1178

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How to Cite this Article?

Firoz Abbasi, Sumit Pahwa, "Dynamic Analysis of Suspension Bridge using Matlab Simulation", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=ART20175495, Volume 6 Issue 7, July 2017, 1175 - 1178



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