그리스 충전 덕트 내 탐상을 위한 스크류 추진 로봇
Screw-Propelled Robot for Detecting Grease Pipe
0
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
Post-tension duct in nuclear reactor containment building is filled with grease to prevent steel strand from corroding. If grease leaks by break of duct, steel strand will corrode and cause problem in building safety. Therefore, grease leak should be checked preventatively. But currently used method is inefficient, since it has to remove grease and strand to check. And other methods for checking post-tension dust are not well-researched. In this paper, we develop screw-propelled robot that can move in grease and detect grease duct directly. Also, we make the test environment that is similar to real post-tension duct of containment building and test robot in that environment to verify that our robot is feasible in the post-tension duct. The robot can move forward and backward in grease duct by twin screw mechanism and has mount for sensors to detect grease leakage and strand corrosion.
Abstract
Post-tension duct in nuclear reactor containment building is filled with grease to prevent steel strand from corroding. If grease leaks by break of duct, steel strand will corrode and cause problem in building safety. Therefore, grease leak should be checked preventatively. But currently used method is inefficient, since it has to remove grease and strand to check. And other methods for checking post-tension dust are not well-researched. In this paper, we develop screw-propelled robot that can move in grease and detect grease duct directly. Also, we make the test environment that is similar to real post-tension duct of containment building and test robot in that environment to verify that our robot is feasible in the post-tension duct. The robot can move forward and backward in grease duct by twin screw mechanism and has mount for sensors to detect grease leakage and strand corrosion.
참고문헌 (7)
- 최지훈, "프리스트레스트 콘크리트 관형 구조물의 폭발량에 따른 내부폭발저항성능에 관한 실험적 평가", 대한토목학회논문집(국문), 39(3), pp.369~380 (2019), 대한토목학회[DOI]
- J. -H. Par k, "Curr ent status of domestic nuclear containment system and inspection", Machines and Materials, 19(1), pp.40~49 (2007)
- S. -H. Hong, "Development of embedded control system for untethered in-pipe inspection robot", 2013 10th International Conference on Ubiquitous Robots and Ambient Intelligence (URAI) (2013)
- K. T, "Grease Void Detection in the Post-Tensioning Duct", KSCE 2020 CONVENTION, pp.1171~1172 (2020)
- M. -H. Seong, "Corrosion Detecting of PS Strands in a Duct", Korea Concrete Institute, 33(2), pp.289~290 (2021)
- "Instrumentation and Modelling of a Reactor Containment Building" (2018)[URL]
- D. Kim, "Screw-Propelled robot for internal inspection of tendon duct in Atomic pile", M.S, pp.2022