KSCE Journal of Civil and Environmental Engineering Research (대한토목학회논문집)

Korean Society of Civil Engeneers (대한토목학회)
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Levee Maintenance Using Point Cloud Data Obtained from a Mobile Mapping System

모바일 매핑시스템을 이용한 제방 유지보수에 관한 연구

  • 이지상 (연세대학교 건설환경공학과) ;
  • 홍승환 (주식회사 스트리스) ;
  • 박일석 (주식회사 스트리스) ;
  • 모하마드 (연세대학교 건설환경공학과) ;
  • 김철환 (연세대학교 건설환경공학과) ;
  • 손홍규 (연세대학교 건설환경공학과)
  • Received : 2020.11.27
  • Accepted : 2021.02.01
  • Published : 2021.08.01
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Abstract

In order to effectively maintain and manage river facilities, on going data collection of associated objects is important. However, the existing data acquisition methods of using a total station, a global navigation satellite system, or a terrestrial laser scanner have limitations in terms of cost/time/manpower when acquiring spatial information data on river facilities distributed over a wide and long area, unlike general facilities. In contrast, a mobile mapping system (MMS), which acquires data while moving its platform, acquires precise spatial information data for a large area in a short time, so it is suitable for use in the maintenance of linear facilities around rivers. As a result of applying a MMS to a research area of 4 km, 184,646,099 points were acquired during a 20-minute data acquisition period, and 378 cross-sections were extracted. By comparing this with computer-drawn river plans, it was confirmed that efficient levee management using a MMS is possible.

하천시설물의 효과적인 유지관리에는 대상물에 대한 지속적인 데이터 수집이 선행되어야 한다. 하지만, 토탈스테이션, GNSS 및 지상레이저스캐너를 활용하는 기존의 데이터 취득방식은 일반적인 시설물과 달리 넓고 긴 지역에 분포해있는 하천시설물의 공간정보데이터를 취득하는데 비용/시간/인력 측면에서 한계가 있다. 반면, 플랫폼이 이동하면서 데이터를 취득하는 모바일매핑시스템(MMS)은 넓은 지역에 대한 정밀한 공간정보데이터를 빠른 시간 내에 취득하기 때문에, 하천 주변의 선형시설물에 대한 유지관리에 활용되기 적합하다. 4 km에 달하는 연구지역에 모바일매핑 시스템을 적용하여 본 결과, 20분의 데이터 취득 소요시간 동안 184,646,099개의 포인트를 취득하여 378개의 횡단면을 추출하고 이를 하천기본계획 상의 도면과 비교해 봄으로써, 모바일매핑시스템을 이용한 효율적인 제방관리가 가능함을 확인하였다.

Keywords

Acknowledgement

본 연구는 국토교통부/국토교통과학기술진흥원 지원으로 수행되었음(과제번호 1615012307). 본 논문은 2020 CONVENTION 논문을 수정·보완하여 작성되었습니다.

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