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ISSN 2029-7092 online
ISBN 978-609-457-690-4 CD
ISBN 978-609-457-640-9
 Environmental Protection

Donatas Butkus, Tomas Januševičius, Viktorija Aškelovič

Investigation of the variation of noise spectrum behind noise barriers made of different materials

Conference Information: 9th International Conference on Environmental Engineering, MAY 22-23, 2014 Vilnius, LITHUANIA
Source: ICEE-2014 - International Conference on Environmental Engineering
Book Series: International Conference on Environmental Engineering (ICEE) Selected papers
ISSN: ISSN 2029-7092 online
ISBN: 978-609-457-640-9 / 978-609-457-690-4 CD
Year: 2014
Publisher: Vilnius Gediminas Technical University Press Technika

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Motor transport is one of the main sources of noise pollution. Each year, the number of people who are exposed to increased noise levels grows, especially in large cities. To reduce the spread of noise, noise barriers are built. Noise barriers are manufactured using a variety of materials. The paper analyzes how the noise level and spectrum is changed by aluminium, “Durisol” block, wooden and brick noise barriers. The change of noise level at low, medium and high frequencies is also analyzed.

Keywords: aluminium; brick; “Durisol” block; wooden; noise barriers; noise spectrum.

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