Korean Journal of Construction Engineering and Management (한국건설관리학회논문집)

Korea Institute of Construction Engineering and Management (한국건설관리학회)
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A Comparative Study on the Life Cycle Cost of Wall Type Apartment and Beam-Column Structural Apartment

생애주기비용 분석을 통한 벽식 구조 공동주택과 장수명 공동주택의 경제성 비교 연구

  • Lee, Jeehee (Department of Architectural Engineering, Ewha Womans University) ;
  • Kim, Kyuree (Department of Architectural Engineering, Ewha Womans University) ;
  • Son, JeongWook (Department of Architectural Engineering, Ewha Womans University) ;
  • Yi, June-Seong (Department of Architectural Engineering, Ewha Womans University)
  • 이지희 (이화여자대학교 건축공학과) ;
  • 김규리 (이화여자대학교 건축공학과) ;
  • 손정욱 (이화여자대학교 건축공학과) ;
  • 이준성 (이화여자대학교 건축공학과)
  • Received : 2014.08.19
  • Accepted : 2014.10.21
  • Published : 2014.11.30
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Abstract

Ministry of Land, Infrastructure and Transport (MOLIT) promote long-life housing to reduce social costs generated by poorly considered rebuilding and extend the life-span of housing. Long-life housing has advantages of durability, floor plan variability, efficient maintenance and ease of remodeling because it is a beam-column structure building. However, long-life housing requires somewhat higher initial construction cost than wall type apartments. It makes increase of long-life housing more difficult. In this study, we compare between wall-type apartment and beam-column structure apartment from Life-Cycle Cost's viewpoint. As a result of the study, long-life housing incurs 18% higher initial cost than wall type apartment, but is 7% more economical than wall type apartment in terms of Life Cycle Cost. Therefore, it is shown that long-life housing could be a beneficial alternative to traditional wall type apartments.

최근 국토교통부에서는 무분별한 재건축, 재개발로 인한 사회적 비용을 감소시키고 주택의 수명을 늘리기 위해 장수명 공동주택의 도입을 촉구하고 있다. 장수명 공동주택은 기존 아파트 건설에 적용되는 벽식 구조와는 달리 기둥과 보가 연속적으로 이루어진 구조이기 때문에 내구성, 가변성, 유지관리 및 리모델링 용이성 등의 장점을 갖는다. 그러나 장수명 공동주택의 경우 기존의 벽식 구조방식의 주택에 비해 초기 투자비가 다소 상승하는 문제가 있는데, 이는 장수명 공동주택의 보급 확산을 저해하는 요소로 작용하고 있다. 이에 본 연구에서는 건물의 총 생애주기 관점에서 기존의 벽식 구조 공동주택과 장수명 공동주택의 경제성을 비교 분석하였다. 연구 결과 장수명 공동주택의 경우 일반 벽식 구조 공동주택에 비해 초기 신축미용은 약 18% 정도 증가하지만, 50년간의 총 생애주기비용을 산정해보면 벽식 구조 공동주택에 비해 약 7% 정도 경제적인 것으로 나타났다. 즉, 장기적인 측면에서 볼 때 장수명 공동주택의 도입이 경제적 사회적 측면에서 충분히 이점이 있음을 알 수 있었다.

Keywords

References

  1. Housing and Urban Research Institute (2006). "Model Development of Long-Life Housing", HURI FOCUS 13, pp. 1-9.
  2. Japanese Ministry of Land, Infrastructure, Transport and Tourism (2009). Long-life Housing Guidelines, Japan.
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  4. KICT (2005). "A Study on the Design Method for the Longlife Multi-Family Housing", KICT 2005-084.
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