Tunnel and Underground Space (터널과지하공간)

Korean Society for Rock Mechanics and Rock Engineering (한국암반공학회)
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Development and Performance Evaluation of Real-Time Wear Measurement System of TBM Disc Cutter

TBM 디스크 커터 실시간 마모계측 시스템 개발 및 성능검증

  • Min-Seok Ju (Department of Energy Resources Engineering, Pukyong National University) ;
  • Min-Sung Park (Department of Energy Resources Engineering, Pukyong National University) ;
  • Jung-Joo Kim (Power System Research Laboratory, KEPCO Research Institute, KEPCO) ;
  • Seung Woo Song (Tunnel and Machine) ;
  • Seung Chul Do (DOONA Information & Technology) ;
  • Hoyoung Jeong (Department of Energy Resources Engineering, Pukyong National University)
  • 주민석 (부경대학교 에너지자원공학과 ) ;
  • 박민성 (부경대학교 에너지자원공학과 ) ;
  • 김정주 (한국전력공사 전력연구원 전력계통연구소 ) ;
  • 송승우 ((주)티엔엠 ) ;
  • 도승철 ((주)두나정보기술 ) ;
  • 정호영 (부경대학교 에너지자원공학과 )
  • Received : 2024.04.16
  • Accepted : 2024.04.24
  • Published : 2024.04.30
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Abstract

The Tunnel Boring Machine (TBM) disc cutter is subjected to wear and damage during the rock excavation process, and the worn disc cutter should be replaced on time. The manual inspection by workers is generally required to determine the disc cutter replacement. In this case, the workers are exposed to dangerous environments, and the measurements are sometimes inaccurate. In this study, we developed a technology that measures the disc cutter wear in real time. From a series of laboratory tests, a magnetic sensor was selected as the wear sensor, and the real-time disc cutter measurement system was developed integrating wireless communication modules, power supply and data processing board. In addition, the measurement system was verified in actual TBM excavation circumstances. As a result, it was confirmed that the accuracy and stability of the system.

TBM 디스크 커터는 굴착 과정에서 마모되고 손상되므로 적절한 시기에 교체되어야 한다. 현재 디스크 커터의 교체 여부는 작업자가 커터헤드 챔버의 내부로 들어가 마모량과 상태를 직접 확인하여 결정하는 것이 일반적이다. 이러한 경우 작업자는 항상 위험한 환경에 노출될 뿐만 아니라 인력에 의한 계측 오류가 발생할 수 있다. 본 연구에서는 디스크 커터의 마모량을 실시간으로 계측하는 기술을 개발하고자 하였다. 일련의 시험을 통해 자기센서를 마모 측정 센서로 결정하였으며, 무선통신모듈, 전원, 데이터 처리 보드 등을 종합한 실시간 디스크 커터 계측시스템을 개발하였다. 또한 개발된 계측시스템을 실제 TBM 굴착환경에 적용하여 계측 정확도와 안정성을 검증하였다.

Keywords

Acknowledgement

본 연구는 한국전력공사 자체연구개발 과제(R22SA01) '전력구 공사 안전확보를 위한 디스크커터 마모측정 및 수명예측 기술 개발'의 지원으로 수행되었습니다.

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