[논문]레디믹스트 콘크리트의 환경성적표지 현황 및 특성 분석

김낙현; 김광현; 박원준; 노승준

doi:10.5345/jkibc.2022.22.2.137

레디믹스트 콘크리트의 환경성적표지 현황 및 특성 분석
Analysis of the Present Status and Characteristics of Environmental Product Declaration of Ready-mixed Concrete 원문보기

한국건축시공학회지 = Journal of the Korea Institute of Building Construction, v.22 no.2, 2022년, pp.137 - 148

김낙현 (Greeners Corporation) , 김광현 (Department of Construction Life Cycle Assessment, Greeners Corporation) , 박원준 (Department of Architectural Engineering, Kangwon National University) , 노승준 (School of Architecture, Kumoh National Institute of Technology)

초록
AI-Helper

본 연구는 레디믹스트 콘크리트의 환경성적표지 현황 조사와 이를 통한 레디믹스트 콘크리트 규격, 생애주기, 권역별 탄소배출량 특성 분석을 목적으로 한다. 이를 위해 콘크리트 산업의 탄소배출량 산정이 요구되고 있는 관련 인증제도를 분석하고, 레디믹스트 콘크리트 제품의 탄소배출량 현황분석을 위해 전과정평가 기법에 기반한 EPD 인증을 받은 제품군을 대상으로 하여 레디믹스트 콘크리트의 활성화 정도를 분석하였다. 또한 레디믹스트 콘크리트 제품의 생애주기별 탄소배출량 분석, 규격별 탄소배출량 분석, 권역별 탄소배출량 분석을 수행하여 각 특성에 따른 탄소배출량 추이를 검토하였다. 분석결과 생애주기별 탄소배출량은 제조전단계가 99% 수준을 나타냈으며, 18MPa에서 40MPa로 증가할수록 탄소배출량도 증가하는 추세를 보였다. 단, 동일 규격이라고 하더라도 수도권의 탄소배출량이 남부지역 대비 높은 탄소배출량을 나타냈다.

Abstract ▼ AI-Helper

Recently, in the concrete industry, the development and commercialization of low-carbon products of ready-mixed concrete have emerged as part of the efforts to realize carbon neutrality. This study aims to investigate the current status of environmental product declaration(EPD) of ready-mixed concrete and to analyze the characteristics of carbon emissions by compressive strength, life cycle stage, and region. To this end, the related certification system requiring the calculation of carbon emissions in the concrete industry was analyzed. The target of analyzing the current status of carbon emissions was set as a product of ready-mixed concrete that acquired EPD certification based on the life cycle assessment method. In addition, the trend of carbon emissions according to each characteristic was reviewed by analyzing carbon emissions by the life cycle of ready-mixed concrete products, analyzing carbon emissions by standard, and analyzing carbon emissions by region. As a result, the carbon emissions in the pre-production stage were 99% compared to total carbon emissions., and as it increased from 18MPa to 40MPa, carbon emissions also increased. Even with the same specifications, the carbon emissions in the capital region were higher than in the southern region.

주제어

표/그림 (13)

표 Table 1. Certification items 3.1 - Use of the Environmental Product Declaration(EPD)
표 Table 2. Certification items 3.2 - Use of low carbon materials
표 Table 3. Certification items 3.4 - Ratio of applied green building materials
그림 Figure 1. Status of EPD by type of goods
표 Table 4. Concrete Function Unit
표 Table 5. Concrete System Boundary
그림 Figure 2. Status of Concrete EPD by year
그림 Figure 3. Status of Concrete EPD by code
표 Table 6. EPD for CO₂ emission characteristics of concrete
그림 Figure 4. CO₂ emission characteristics by code
그림 Figure 5. CO₂ emission characteristics by life cycle stage
그림 Figure 6. CO₂ emission characteristics by life cycle stage & concrete plants
그림 Figure 7. CO₂ emission characteristics by region

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