Korean Journal of Construction Engineering and Management (한국건설관리학회논문집)

Korea Institute of Construction Engineering and Management (한국건설관리학회)
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Development of BIM and Augmented Reality-Based Reinforcement Inspection System for Improving Quality Management Efficiency in Railway Infrastructure

철도 인프라 품질관리 효율성 향상을 위한 BIM 기반 AR 철근 점검 시스템 구축

  • Suk, Chaehyun (Department of Civil Engineering, Seoul National University of Science and Technology) ;
  • Jeong, Yujeong (Department of Civil Engineering, Seoul National University of Science and Technology) ;
  • Jeon, Haein (Department of Civil Engineering, Seoul National University of Science and Technology) ;
  • Yu, Youngsu (Department of Civil Engineering, Seoul National University of Science and Technology) ;
  • Koo, Bonsang (Department of Civil Engineering, Seoul National University of Science and Technology)
  • 석채현 (서울과학기술대학교 건설시스템공학과) ;
  • 정유정 (서울과학기술대학교 건설시스템공학과) ;
  • 전해인 (서울과학기술대학교 건설시스템공학과) ;
  • 유영수 (서울과학기술대학교 건설시스템공학과) ;
  • 구본상 (서울과학기술대학교 건설시스템공학과)
  • Received : 2023.08.11
  • Accepted : 2023.11.13
  • Published : 2023.11.30
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Abstract

BIM and AR technologies have been assessed as a means of enhancing productivity within the construction industry, through the provision of effortless access to critical data on site, achieved via the projection of 3D models and associated information onto actual structures. However, most of the previous researches for applying AR technology in construction quality management has been performed for construction projects in general, resulting in only overall on-site management solutions. Also, a few previous researches for the application of AR in the quality management of specific elements like reinforcements focused only on simple projection, so conducting specific quality inspection was impossible. Hence, this study aimed to develop a practically applicable BIM-based AR quality management system targeted for reinforcements. For the development of this system, the reinforcement inspection items on the quality checklist used at railway construction sites were analyzed, and four types of AR functions that can effectively address these items were developed and installed. The validation result of the system for the actual railway bridge showed a degradation of projection stability. This problem was solved through model simplification and enhancement of the AR device's hardware performance, and then the normal operation of the system was validated. Subsequently, the final developed reinforcement quality inspection system was evaluated for practical applicability by on-site quality experts, and the efficiency of inspection would significantly increase when using the AR system compared to the current inspection method for reinforcements.

BIM 및 AR 기술은 실제 구조물에 3D 모델 및 정보를 투영하여 현장 내 필요 데이터에 손쉽게 접근할 수 있게 한다는 점에서 건설 산업의 생산성을 증진시킬 수 있을 것으로 평가되어왔다. 그러나 건설 품질관리 업무 내 AR 기술을 적용하기 위한 선행 연구는 대부분 건설 프로젝트 전반을 대상으로 수행되어 총괄적 현장관리 방안에 불과하며, 철근과 같은 부재 단위의 품질관리 내 AR을 적용한 일부 연구 사례 또한 단순 투영에만 집중되어 구체적인 품질점검이 불가한 것으로 확인되었다. 이에 본 연구에서는 철근 부재에 특화된 실무 적용 가능 수준의 BIM 기반 AR 품질관리 시스템 개발을 최종 목적으로 하였다. 본 시스템 개발을 위해 철도 건설 현장에서 활용하는 품질점검 리스트의 철근 점검 항목을 분석하고, 이들을 효과적으로 대응할 수 있는 AR 요소기술 4가지를 개발 및 탑재하였다. 실제 철도 교량 구조물을 대상으로 개발된 시스템을 검증하였으며, 그 결과 투영 안정성 저하 문제가 도출되었다. 이는 모델 경량화(simplification) 및 AR 기기 하드웨어 성능 향상을 통해 해결하였으며, 최종적으로 시스템이 정상적으로 구동되는 것을 확인하였다. 이후 현장 품질 전문가를 대상으로 개발된 철근 품질점검 시스템의 실무 적용성 평가를 실시하였으며, 현행 철근 점검 방식 대비 AR 시스템 활용 시 점검 효율성이 증가할 것으로 평가되었다.

Keywords

Acknowledgement

본 연구는 국토교통부/국토교통과학기술진흥원의 지원으로 수행되었습니다(과제번호: RS-2020-KA158185, 3단계 2차년도).

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