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International Journal of Engineering & Technology Sciences
IJETS 2021, 17 pages - Article ID: IJETS-2106092112346
A Short Review of Road Noise Barriers Focusing on Ecological Approaches
a Sophisticated Environmental Analytical Facility, CSIR – National Environmental Engineering Research Institute, Nagpur, India.
b G. H. Raisoni College of Engineering, Nagpur, India.
ABSTRACT
The enormous growth in the transport sector in the last few decades has led to substantial rise in the noise levels. This article is a review of the literature related to highway noise abatement, carried out across different regions, to illustrate the effectiveness of noise barriers and highlight some eco-friendly alternatives. Different types of noise barriers and their essential parameters, such as the type of material used, design attributes, attenuation, cost-effectiveness, and life-cycle cost analysis (LCCA) have been emphasized. Cost of material used is also a prime concern during the design of the economic noise barrier. Accordingly, the cost analysis of different materials was carried out using a specialized tool. The paper encourages the use of recyclable wastes for the construction of ecological noise barrier further, a cost-effective and eco-friendly material, namely bottom ash is suggested with an appropriate design for noise reduction.