Advances in environmental research

  • 제3권4호
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  • Pages.367-377
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  • 2014
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  • 2234-1722(pISSN)
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  • 2234-1730(eISSN)
테크노프레스 (Techno-Press)
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Life cycle assessment (LCA) of roof-waterproofing systems for reinforced concrete building

  • Ji, Sukwon (Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology(KAIST)) ;
  • Kyung, Daeseung (Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology(KAIST)) ;
  • Lee, Woojin (Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology(KAIST))
  • 투고 : 2014.09.10
  • 심사 : 2014.11.05
  • 발행 : 2014.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

In this study, we investigated a life cycle assessment (LCA) of six roof-waterproofing systems [asphalt (C1), synthetic polymer-based sheet (C2), improved asphalt (C3), liquid applied membrane (C4), Metal sheet with asphalt sheet (N1), and liquid applied membrane with asphalt sheet (N2)]for reinforced concrete building using an architectural model. To acquire accurate and realistic LCA results, minimum units of material compositions for life cycle inventory and real data for compositions of waterproofing materials were used. Considering only materials and energy demands for waterproofing systems per square meter, higher greenhouse gas (GHG) emissions could be generated in the order of C1 > N2 > C4 > N1 > C2 > C3 during construction phase. However, the order was changed to C1 > C4 > C3 > N2 > N1 > C2, when the actual architecture model was applied to the roof based on each specifications. When an entire life cycle including construction, maintenance, and deconstruction were considered, the amount of GHG emission was in the order of C4 > C1 > C3 > N2 > C2 > N1. Consequently, N1 was the most environmental-friendly waterproofing system producing the lowest GHG emission. GHG emissions from maintenance phase accounted for 71.4%~78.3% among whole life cycle.

키워드

과제정보

연구 과제 주관 기관 : Ministry of Land, Transport and Maritime Affairs

참고문헌

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피인용 문헌

  1. Environmental and economic comparison of the life cycle of waterproofing solutions for flat roofs vol.24, pp.None, 2014, https://doi.org/10.1016/j.jobe.2019.02.002
  2. Building life-span prediction for life cycle assessment and life cycle cost using machine learning: A big data approach vol.205, pp.None, 2014, https://doi.org/10.1016/j.buildenv.2021.108267
  3. Su yalıtımı uygulamalarının üretim ve yapım süreci çevresel etki değerlendirmesi vol.37, pp.1, 2021, https://doi.org/10.17341/gazimmfd.723798