가열 아스팔트 혼합물의 생산과정에 대한 기초 목록 분석과 영향 평가 결과 분석
(주)코리아스칼라
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- 2024.01.01
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- 2023.12
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서지정보
ㆍ발행기관 : 한국도로학회
ㆍ수록지정보 : 한국도로학회논문집 / 25권 / 6호
ㆍ저자명 : 윤태영
목차
1. 연구배경 및 목적
2. 연구 대상 및 방법
2.1. 가열 재생 아스팔트 혼합물
2.2. 전과정 평가
3. 전과정 평가 방법 및 결과
3.1. 전과정 평가 목표 및 범위 정의
3.2. 전과정 목록 분석
3.3. 전과정 영향 평가
3.4. 평가 결과
4. 결론
4.1. 결론 및 요약
감사의 글
영어 초록
PURPOSES : In this study, the resources and energy consumed to produce hot mix asphalt mixtures and hot mix reclaimed asphalt mixtures in asphalt concrete plants were estimated and the emissions from the detailed processes of the production process were evaluated based on TRACI(the tool for the reduction and assessment of chemical and other environmental impacts). METHODS : To estimate the energy consumption of the aggregate drying process, which consumes a significant amount of energy in the production process, an energy consumption calculation model based on the thermal equilibrium equation was used, and the energy consumed for material transportation, storage, and operation of other facilities was cited from the literature. RESULTS : For the system boundary conditions established and the inventory considered, the emissions to produce one ton of hot mix reclaimed asphalt mix are greater than the emissions to produce one ton of hot mix asphalt mix for a number of key impact categories. The process of producing hot mix reclaimed asphalt mixtures was evaluated to consume more resources and energy in the production of recycled aggregates and heating for drying than in the production of hot mix asphalt mixtures, but less resources and energy in the production of binders and natural virgin aggregates and the heating to heat these materials. CONCLUSIONS : The results of the emissions assessment using the life cycle inventory for the production of hot mix asphalt mixtures were generally similar to the results understood in the field and in much of the literatures, confirming the reliability of the methodology. However, in order to evaluate the dominance of specific processes or mixtures, it is believed that the construction of a wide range of inventory databases after inventory redesign is necessary for a specific and rigorous assessment.
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