Journal of the Korean Society for Railway (한국철도학회논문집)

The Korean Society for Railway (한국철도학회)
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A Study on the Characteristics of Environmental Impact in Construction Sector of High-Speed Railway using LCA

LCA를 이용한 고속철도 건설단계에서의 환경부하 특성에 관한 연구

  • Received : 2014.01.17
  • Accepted : 2014.06.20
  • Published : 2014.06.30
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Abstract

This study investigates the characteristics of environmental impact from the construction phase of a high-speed railway through a Life Cycle Assessment method based on the materials used and the energy consumption of the equipment used according to the design statement. The results reveal that the contributions to environmental impact in the construction sector of a high-speed railway were 89% for civil engineering, 7% for the track system, 2% for stations and 2% for the energy and telecommunication system. In particular, the highest contribution to the impact in the civil engineering category were 54% for Global Warming, 25% for Abiotic Resource Depletion and 8% for Photochemical Oxidant Creation. The main influence factors were the use of remicon and cement. In future, the application of Life Cycle Assessment for the construction sector of railway construction will introduce efficient reduction methods according to the quantitative calculation of environmental impact.

본 연구에서는 국내 고속철도노선 전과정 중 건설단계에 대하여 각 분야별(토목, 궤도, 건축 및 전철전력/신호통신분야) 주요 건설자재 및 중장비 에너지 사용량을 토대로 전과정평가(Life Cycle Assessment, LCA) 방법론을 적용하여 주요 환경부하 특성을 분석하였다. 그 결과, 분야별 환경영향 기여도는 토목분야가 약 89%로 가장 높게 나타났으며, 궤도 7%, 건축 2%, 전철전력분야 2% 순으로 나타났다. 가장 기여도가 높은 토목분야의 경우, 주요 영향평가 범주는 지구온난화, 자원고갈, 광화학산화물생성으로 각각 54%, 25%, 8%로 나타났으며, 주요 영향인자는 레미콘과 시멘트인 것으로 분석되었다. 향후 철도 건설단계에서의 전과정평가 적용은 정량적인 환경부하 산정을 통해 효율적인 저감방법을 도입할 수 있다.

Keywords

References

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