Korean Journal of Construction Engineering and Management (한국건설관리학회논문집)

Korea Institute of Construction Engineering and Management (한국건설관리학회)
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Study on Optimization for Construction Vertical Lifting with Transfer Operation for Super High-rise Buildings

초고층 건축공사의 리프트 수직 환승운영 최적화 방안 연구

  • Moon, Jooyong (Department of Architecture & Architectural Engineering, Seoul National University) ;
  • Park, Moonseo (Department of Architecture, Seoul National University) ;
  • Lee, Hyunsoo (Department of Architecture & Architectural Engineering, Seoul National University) ;
  • Jung, Minhyuk (Department of Architecture & Architectural Engineering, Seoul National University)
  • Received : 2014.07.09
  • Accepted : 2014.10.29
  • Published : 2014.11.30
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Abstract

Recently, the number of super high-rise building projects have been increased after recovering from international financial crisis. In super high-rise building project, vertical lifting is critical to overall project productivity, due to its limited lifting equipments. Also for projects which buildings' height are higher than 400m, transfer operation in lifting is inevitable because of lifts' maximum lifting height. In transfer operation, setting a transfer floor is essential for saving lifting time of resources. In this research, using discrete event simulation modeling with AnyLogic 7.0 software and metaheuristic optimization with OptQuest software, the method of optimizing a transfer floor for workers during the morning peak time is proposed. Comparing to the result of the case which transfer floor is designated to the middle floor, setting optimized transfer floor significantly decrease the total lifting time of workers. By using proposed simulation and optimization tool, saving budget and time through increasing available working hour is expected.

최근 세계 경제가 금융위기로부터 회복되기 시작하면서 전 세계적으로 초고층 건축공사 프로젝트가 증가하는 추세에 있다. 수직 리프트 양중은 리프트 양중 장비 대수의 제약으로 인해 초고층 건축공사 프로젝트에 있어서 전체 프로젝트의 생산성 측면에서 매우 중요한 요소이다. 특히 건물 높이가 400m 이상 되는 초고층 건축공사에서는, 리프트의 최대 운행높이로 인해 환승운영방식의 리프트 양중이 필수적이다. 환승운영방식 리프트 양중에서의 환승층 지정은 자원들의 양중 시간 단축에 많은 영향을 미친다. 본 연구에서는 AnyLogic 프로그램을 통한 이산사건 시뮬레이션 모델 구축 및 OptQuest 최적화 프로그램을 통한 메타휴리스틱 방식의 최적해 탐색으로 오전 출근시간대의 작업원 양중 시 환승층 최적화를 위한 방법을 제안하였다. 중간층을 환승층으로 지정했을 때와 비교한 결과, 최적 환승층을 지정했을 때 작업자들의 전체 양중시간이 상당히 단축되는 것으로 분석되었다. 본 연구에서 제안하는 도구를 사용 시 초고층 건축공사 프로젝트에서 작업원들의 가용 작업시간 증가를 통한 비용 절감 및 프로젝트 공기 단축이 가능할 것으로 예상된다.

Keywords

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