KSCE Journal of Civil and Environmental Engineering Research (대한토목학회논문집)

Korean Society of Civil Engeneers (대한토목학회)
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A Study of the Combination Method for Earthwork Equipments Using the Environmental Loads and Costs

토공사 환경오염물질 부하량 및 공사비를 이용한 장비조합방법 연구

  • Received : 2013.03.25
  • Accepted : 2013.04.02
  • Published : 2013.05.30
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Abstract

Great efforts have been made worldwide to reduce the Green House Gas (GHG) emission following the "Kyoto Protocol" declared during the United Nations Framework Convention on Climate Change in 1997. Many industries have restructured to meet the standard set by the Protocol. However, no clear guidance has been established for the purpose of reducing the GHG emission in construction industry. In addition, no significant effort has been made to conserve the energy during construction activities. For more effective energy saving in construction industry, it is essential to collect data about energy consumption, quantity of environmental emissions and costs. However, most studies on sustainable construction have been concentrated on the use of equipment, maintenance and repair works during construction due to the difficulties of collecting such data. This study suggests a method to select the most environmentally friendly equipment combination for earthwork with comparing environmental loads and costs using the database of Life Cycle Inventory in the Ministry of Knowledge Economy and Ministry of Environment of Korea.

1997년 "기후 변화에 관한 국제연합 규약의 교토의정서"가 채택된 이후 우리나라를 비롯한 세계의 여러 나라에서 이산화탄소를 포함한 온실가스 배출을 줄이기 위한 노력을 진행해 왔다. 각 산업별로 온실가스 배출을 저감시키는 산업 구조로 개편 및 녹색 기업으로 체질 개선에 힘쓰고 있으나 타 산업에 비하여 건설 산업은 온실가스 배출의 효율적인 관리를 위한 정확한 배출량 저감을 위한 논의가 미흡한 상황이며 오히려 환경을 파괴시키는 산업이라는 오명을 가지고 있는 실정이다. 우리나라는 경제규모에 비해 환경오염물질 배출량이 많으며 이는 에너지 다소비 업종의 비중 증가에 따른 것이다. 이에 따라 에너지 다소비업종 중 하나인 건설관련 공사에 대한 효율적인 에너지 절약이 이루어지지 않은 문제점이 대두되고 있다. 뿐만 아니라 근래에는 대규모 건설이 많으므로 에너지 절감효과를 갖기 위해서는 건설공사의 전과정(Life Cycle) 중 시공단계에서 발생하는 에너지소비량, 환경오염물질 배출량, 환경비용 등 기본적인 데이터베이스 및 활용방안 개발이 필요하다. 그러나 건설현장 특성상 정량화가 어렵다는 이유 등으로 친환경 건설에 관한 연구는 대부분 구조물 사용 및 유지 보수 단계에 집중되어 있다. 이에 본 연구에서는 지식경제부와 환경부에서 제시하는 LCI DB를 활용하여 굴착작업 시 발생하는 환경오염물질 배출량을 산출하고 환경오염물질별 환경비용을 환산하여 토공사에 대한 환경경제성을 평가하고자 한다.

Keywords

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