Korean Journal of Construction Engineering and Management (한국건설관리학회논문집)

Korea Institute of Construction Engineering and Management (한국건설관리학회)
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Method of Deriving Activity Relationship and Location Information from BIM Model for Construction Schedule Management

공정관리 활용을 위한 BIM모델의 공정별 수순 및 위치정보 추출방안

  • Yoon, Hyeongseok (Department of Civil Engineering, Gyeongsang National University) ;
  • Lee, Jaehee (Department of Civil Engineering, Gyeongsang National University) ;
  • Hwang, Jaeyeong (Department of Civil Engineering, Gyeongsang National University) ;
  • Kang, Hyojeong (Department of Civil Engineering, Gyeongsang National University) ;
  • Park, sangmi (Bim Research Cluster, Korea Institute of Civil Engineering and Building Technology) ;
  • Kang, Leenseok (Department of Civil Engineering, Gyeongsang National University)
  • 윤형석 (경상국립대학교 토목공학과) ;
  • 이재희 (경상국립대학교 토목공학과) ;
  • 황재영 (경상국립대학교 토목공학과) ;
  • 강효정 (경상국립대학교 토목공학과) ;
  • 박상미 (한국건설기술연구원) ;
  • 강인석 (경상국립대학교 토목공학과)
  • Received : 2021.11.22
  • Accepted : 2022.02.03
  • Published : 2022.03.31
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Abstract

The simulation function by the 4D system is a representative BIM function in the construction stage. For the 4D simulation, schedule information for each activity must be created and then linked with the 3D model. Since the 3D model created in the design stage does not consider schedule information, there are practical difficulties in the process of creating schedule information for application to the construction stage and linking the 3D model. In this study, after extracting the schedule information of the construction stage using the HDBSCAN algorithm from the 3D model in the design stage, authors propose a methodology for automatically generating schedule information by identifying precedence and sequencing relationships by applying the topological alignment algorithm. Since the generated schedule information is created based on the 3D model, it can be used as information that is automatically linked by the common parameters between the schedule and the 3D model in the 4D system, and the practical utility of the 4D system can be increased. The proposed methodology was applied to the four bridge projects to confirm the schedule information generation, and applied to the 4D system to confirm the simplification of the link process between schedule and 3D model.

시공단계의 BIM 활용 시 대표적인 기능은 4D시스템에 의한 공정 시뮬레이션 기능을 들수 있다. 4D시뮬레이션을 위해서는 공정 생성 후 공정별 3D모델의 연동과정이 필수적으로 요구된다. 설계단계에 작성된 3D모델은 공정 정보를 고려하지 않으므로 시공단계 적용을 위한 공정 정보의 생성과 3D모델의 연동과정에는 실무적 애로사항이 존재한다. 본 연구에서는 설계단계에 작성된 3D모델에서 HDBSCAN 알고리즘을 이용하여 시공단계의 공정 정보를 추출한 후에 위상정렬 알고리즘 적용으로 선후행관계를 파악하고 공정정보를 자동으로 생성하는 방법론을 제시한다. 생성된 공정 정보는 설계 3D모델을 기반으로 생성되었으므로, 4D시스템에서 공정과 3D모델간의 공통 매개변수에 의해 상호간 자동 연동되는 정보로 활용되어 4D시스템의 실무적 활용성을 배가할 수 있다. 제시된 방법론은 4개 교량에 적용하여 공정 정보 생성결과를 확인하였고, 4D시스템에 적용하여 공정과 3D모델 연동과정의 간편화를 확인하였다.

Keywords

Acknowledgement

본 연구는 2021년 국토교통과학기술진흥원 연구비 지원사업(21RBIM-B158176-02)으로 수행되었습니다.

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