Korean Journal of Construction Engineering and Management (한국건설관리학회논문집)

Korea Institute of Construction Engineering and Management (한국건설관리학회)
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Decision Support Process Model for Energy Efficient Remodeling Projects focused on Building Envelope and Renewable-energy Systems

에너지절감형 리모델링을 위한 적정 대안 선정 프로세스 모델 - 건축물 외피 및 신재생에너지 시스템을 중심으로 -

  • Shin, Young-su (Department of Architectural Engineering, Chosun University) ;
  • Cho, Kyuman (Department of Architectural Engineering, Chosun University) ;
  • Kim, Jae-youn (Department of Architectural Engineering, Chosun University)
  • Received : 2015.03.03
  • Accepted : 2015.04.23
  • Published : 2015.05.31
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Abstract

An increase in energy such as natural gas, coal, oil, has occurred to a large amounts of environment impact emissions, it is necessary to reduce in the construction industry for the energy consumption. To encourage remodeling project in developed countries of the majority, on the basis of this, remodeling project in the construction industry has grown to a large amount. Results of analysis of the research related to the advanced remodeling, analysis of the economic validity in accordance with the production and process and building elapsed years of selection alternative of remodeling there has been a problem that has not been properly reflected. In this study, a decision support model that can simultaneously choose the most cost-effective and energy-efficiency alternative. Developed process model, generates a "Remodeling Solution" that combines the renewable energy equipment and envelope system, energy performance evaluation of the application of international standards(ISO-13790, DIN V 18599), perform the economic evaluation through LCCA(Life Cycle Cost Analysis) technique, circulated evaluation and configured to output the optimal Remodeling Solution. The results of applying the model developed in the case, it was confirmed that it is possible to select a choice of cost-effective energy-saving alternative. Then, developed model through this study, it is expected to be able to help highly effective remodeling alternative to selecting by decision-makers.

에너지 소비 절감 및 이산화탄소 배출 감소를 위한 노력의 일환으로 대다수의 선진국에서 리모델링 프로젝트를 장려하고 있으며, 이에 따라 건설산업에서 리모델링 사업은 큰 비중으로 성장하고 있다. 기존의 리모델링 관련 연구를 분석한 결과, 1) 리모델링 대안의 생성 및 선정 과정과 2) 건축물 경과년수에 따른 경제적 타당성 분석 결과가 제대로 반영되어 있지 않은 문제점이 있었다. 본 연구에서는 리모델링 대안에 따른 에너지절감량과 경제성을 동시에 고려하여 가장 비용효율적인 에너지절감형 리모델링 대안을 선정할 수 있는 의사결정 지원모델을 개발하였다. 개발된 프로세스 모델은 외피 시스템과 신재생에너지 설비를 조합한 "리모델링 솔루션"을 생성하며, 국제기준(ISO-13790, DIN V 18599)을 응용한 에너지성능평가, 생애주기비용 분석(LCCA)기법을 통한 경제성 평가를 실시하도록 구성되어있으며, 입력된 대안을 순환평가하여 최적의 대안을 출력하도록 구성하였다. 개발된 모델을 실제 사례에 적용한 결과, 비용효율적인 에너지절감형 리모델링 대안을 선정할 수 있는 것으로 확인하였다. 따라서 이 연구를 통해 개발된 모델은 리모델링을 계획하는 의사결정자(예: 발주자) 등에게 효율적인 대안 선정에 도움을 줄 수 있을 것으로 기대된다.

Keywords

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