Journal of KIBIM (한국BIM학회 논문집)

Korean Institute of Building Information Modeling (한국BIM학회)
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Case Study of Smart Phone GPS Sensor-based Earthwork Monitoring and Simulation

스마트폰 GPS 센서 기반의 토공 공정 모니터링 및 시뮬레이션 활용 사례연구

  • 조현석 (한양대학교 건설환경공학과) ;
  • 윤충배 (한양대학교 건설환경공학과 ) ;
  • 박지현 (한양대학교 건설환경공학과) ;
  • 한상욱 (한양대학교 건설환경공학과)
  • Received : 2022.10.12
  • Accepted : 2022.10.12
  • Published : 2022.12.31
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Abstract

Earthmoving operations account for approximately 25% of construction cost, generally executed prior to the construction of buildings and structures with heavy equipment. For the successful completion of earthwork projects, it is crucial to constantly monitor earthwork equipment (e.g., trucks), estimate productivity, and optimize the construction process and equipment on a construction site. Traditional methods however require time-consuming and painstaking tasks for the manual observations of the ongoing field operations. This study proposed the use of a GPS sensor embedded in a smartphone for the tracking and visualization of equipment locations, which are in turn used for the estimation and simulation of cycle times and production rates of ongoing earthwork. This approach is implemented into a digital platform enabling real-time data collection and simulation, particularly in a 2D (e.g., maps) or 3D (e.g., point clouds) virtual environment where the spatial and temporal flows of trucks are visualized. In the case study, the digital platform is applied for an earthmoving operation at the site development work of commercial factories. The results demonstrate that the production rates of various equipment usage scenarios (e.g., the different numbers of trucks) can be estimated through simulation, and then, the optimal number of tucks for the equipment fleet can be determined, thus supporting the practical potential of real-time sensing and simulation for onsite equipment management.

Keywords

Acknowledgement

이 연구는 국토교통부/국토교통과학기술진흥원이 시행하고 한 국도로공사가 총괄하는 "스마트건설기술 개발국가 R&D 사업 (과제번호 21SMIP-A158708-02)"의 지원으로 수행하였습니다).

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