Journal of Korean Tunnelling and Underground Space Association (한국터널지하공간학회 논문집)

Korean Tunnelling and Underground Space Association (한국터널지하공간학회)
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A study on the effects of changes in the estimating criteria for ventilation requirements in road tunnels

도로터널 소요환기량 산정기준 변화에 따른 영향 분석

  • 김효규 ((주)주성지앤비) ;
  • 이창우 (동아대학교 에너지.자원공학과)
  • Received : 2019.08.26
  • Accepted : 2019.09.28
  • Published : 2019.11.30
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Abstract

The ventilation rate (Qreq) requirement in road tunnels is not just a basic information for determining the tunnel cross-sectional area, but also a major factor for the ventilation system selection. The Qreq is predominantly dependent on the vehicle traffic volume, while among others, the vehicle exhaust emissions and permissible standards are critical. This paper analyzes the changes in the Qreq designing criteria and/or recommendations suggested by World Road Association and local authorities over the last 20 years, since the first local designing criteria was established in 1997 by Korea Expressway Corporation. Additionally, based on the updated vehicle emission standards of Ministry of Environment and recent recommendations of the World Road Association (WRA), changes in the Qreq and its effects are studied in terms of the length and grade of the tunnel.

소요환기량은 터널단면을 결정하기 위한 기초적인 자료로, 터널 내 환기 시스템을 결정하기 위한 주요한 요소이다. 소요환기량은 터널 내 교통량 자료에 기초하고 있으며, 차량으로부터 배출되는 오염물질량과 터널 내 허용농도 기준에 의해 결정된다. 본 논문에서는 처음으로 국내 기준이 한국도로공사에 의하여 규정된 1997년 이후 20년간 변화한 도로터널 환기설계기준을 검토하고 최근의 환경부 '제작차 배출허용기준'과 세계도로협회(WRA) 2019년 설계권고기준 등을 바탕으로, 터널의 특성, 특히 길이 및 종단경사를 고려하여 소요환기량 차이 및 영향을 비교분석하였다.

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References

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