A short review of research on roads with low noise pavement in China

The present study reports the analysis of hourly equivalent noise levels of 100 sites in the NCT (National Capital Territory) of Delhi and correlates with the community perception that has not been reported so far. The study presents the environmental noise scenario of 100 sites in the NCT of Delhi, India, including 19 commercial, 9 industrial, 16 residential, 43 silence zones, 3 highway sites, and 10 intersection sites. The hourly equivalent noise levels of 100 sites were monitored at various timings between 9 AM and 8 PM to analyze the environmental noise pollution scenario in the city. Along with the hourly equivalent continuous sound levels ( L Aeq, 1 h ); 10-percentile exceeded sound levels ( L 10 ), Traffic Noise Index (TNI), Noise Climate (NC), and Noise Pollution Level (NPL) of these sites were also computed. The L Aeq, 1 h levels varied from 66.5 to 84.7 dB(A), and majority of the sites (90.0% sites) exhibited L Aeq, 1 h between 70 and 80 dB(A). A noise map was developed in addition to a socio-acoustic survey conducted to analyze the public perception toward noise pollution and associated health hazards. The study revealed that road traffic noise along with honking noise is the major dominant source of noise pollution. It shall be very helpful in recommending appropriate noise control strategies for abatement and control of environmental noise pollution in the city.

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Evaluation and Analysis of Environmental Noise Levels in NCT of Delhi, India

Chauhan

Kumar

Garg

et al. 2023

MAPAN

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A short review of research on roads with low noise pavement in China

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Evaluation and Analysis of Environmental Noise Levels in NCT of Delhi, India

Evaluation and Analysis of Environmental Noise Levels in NCT of Delhi, India

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