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Sound absorption coefficient of coal bottom ash concrete for railway application

Ramzi Hannan, N. I. R. and Shahidan, S. and Maarof, Z. and Ali, N. and Abdullah, S. R. and Wan Ibrahim, M. H. (2017) Sound absorption coefficient of coal bottom ash concrete for railway application. In: Global Congress on Construction, Material and Structural Engineering 2017 (GCoMSE2017), 28–29 August 2017, Johor Bahru, Malaysia.

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Abstract

A porous concrete able to reduce the sound wave that pass through it. When a sound waves strike a material, a portion of the sound energy was reflected back and another portion of the sound energy was absorbed by the material while the rest was transmitted. The larger portion of the sound wave being absorbed, the lower the noise level able to be lowered. This study is to investigate the sound absorption coefficient of coal bottom ash (CBA) concrete compared to the sound absorption coefficient of normal concrete by carried out the impedance tube test. Hence, this paper presents the result of the impedance tube test of the CBA concrete and normal concrete.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TF Railroad engineering and operation
Divisions: Faculty of Civil and Environmental Engineering > Department of Structural and Material Engineering
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 23 Jun 2019 06:54
Last Modified: 23 Jun 2019 06:54
URI: http://eprints.uthm.edu.my/id/eprint/11598
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