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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 110
PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
Edited by: J. Pombo
Paper 317

Primary Noise in Railways: Analysis, Damage and Mitigation Alternatives

S.M. Pessanha1, S.L. Issomura1 and T.M.S. Dias2

1Instituto Militar de Engenharia, Rio de Janeiro, Brazil
2Prefeitura da Cidade do Rio de Janeiro, Rio de Janeiro, Brazil

Full Bibliographic Reference for this paper
S.M. Pessanha, S.L. Issomura, T.M.S. Dias, "Primary Noise in Railways: Analysis, Damage and Mitigation Alternatives", in J. Pombo, (Editor), "Proceedings of the Third International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 317, 2016. doi:10.4203/ccp.110.317
Keywords: level of noise, railway, permanent way, human damage, comfort, acoustic.

Summary
This study, presented in this paper, analyzes the primary noise in Brazilian railroads, especially in freight transport, the damage caused to the population along the railway line and proposes mitigation alternatives. The types of noise due to the passage of trains are insufficient to cause structural damage to the permanent way, but cause great inconvenience to wayside neighborhoods (residents, workers and passers-by neighborhoods located in the vicinity of the railroad), the environment, users (in if passenger transport) and the operators themselves of the composition. Brazilian standards of acoustic comfort, NBR 10151 and NBR 10152, limit noise levels in urban areas for outdoor and indoor, adopting the evaluation criteria levels in decibels (dB), but are not enough to measure the damage caused by noise of railways and neither are specific to railways. Therefore, Brazilian railways are based on the European standard, such as those developed by the International Union of Railways (UIC). Thus, this paper considers standards and the present mitigating alternatives, to improve the quality of life of neighboring communities, from the human and environmental point of view. Thus, it reinforces the need for specific Brazilian standards development on the subject.

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