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The Study of Sound Level Specification of Subway Line II in Busan

부산 지하철 2호선 소음 특성 연구

  • Jeong Kyung-Won (Institute of Health & Environment, Busan Metropolitan City) ;
  • Yoon Na-Na (Institute of Health & Environment, Busan Metropolitan City) ;
  • Kim Joo-In (Institute of Health & Environment, Busan Metropolitan City) ;
  • Kwak Jin (Institute of Health & Environment, Busan Metropolitan City) ;
  • Kim Yung-Tae (Institute of Health & Environment, Busan Metropolitan City)
  • 정경원 (부산광역시보건환경연구원) ;
  • 윤나나 (부산광역시보건환경연구원) ;
  • 김주인 (부산광역시보건환경연구원) ;
  • 곽진 (부산광역시보건환경연구원) ;
  • 김영태 (부산광역시보건환경연구원)
  • Published : 2006.03.01

Abstract

The purpose of this paper is to evaluate the noise level and source, reduce the subway line II noise. As a result of measurement of subway line II in Busan the highest value section of uproad line was from Jigegol to Motgol by 89 dB(A). The sections of conversation and listening interference(over 80 dB(A)) were 21 sections(55%) of 38 sections. Among these sections, 15 sections(71%) were produced rolling noise, 3 sections(14%) squeal noise, 2 sections(10%) braking noise and 1 section(5%) fan noise, and then a main noise source was the rolling noise. In case of downroad line, the highest value section was from Busan Metro Art Museum to Centum city, Motgol to Jigegol by 88 dB(A). The sections of conversation and listening interference(over 80 dB(A)) were 18 sections(47%) of 38 sections. Among these sections, 15 sections(83%) produced rolling noise, 2 sections(11%) squeal noise and 1 section(6%) braking noise were investigated in this study. and then a main noise source was the rolling noise.

Keywords

Noise level;Rolling noise;Squeal noise;Braking noise

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