Leq, Lr, TNI 평가법에 의한 부산시 주요 상가변의 소음도 분석

An Analysis on Traffic Noise at Pusan Shopping Districts by Leq, Lr, TNI Ratings

To evaluate the degree of traffic noise at the main shopping districts, 30 sites, in Pusan and produce the basic data of traffic noise counterplan, this research was conducted. Noise rating methods utilized were Leq(equivalent continuous sound level), Lr (rating sound level) and TNI (traffic noise index). As the results, all sites passed beyond Korean Environmental Noise Standard 70 dB(A) in Leq and 46.7% sites fell under widespread complaints step, 40.0% threat of community action step, 13.3% vigorous community action step by Lr ratings, and 30.0% sites were over acceptable TNI criteria of 74. Therefore, traffic noise at Pusan shopping districts was very severe.