Journal of the Korean Society of Safety (한국안전학회지)

The Korean Society of Safety (한국안전학회)
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Development of Non-Contact Penetration Measuring Device for Pile Driving Workers

항타 시공 작업자를 위한 비접촉식 관입량 측정기 개발

  • Kim, J.K. (SEED Tech.) ;
  • Kong, Y.K. (Department of Industrial Engineering, Sungkyunkwan University) ;
  • Choi, K.H. (Department of Industrial Engineering, Sungkyunkwan University) ;
  • Cho, M.U. (Department of Industrial Engineering, Sungkyunkwan University) ;
  • Kim, S.Y. (Department of Industrial Engineering, Sungkyunkwan University) ;
  • Kim, M.J. (Department of Industrial Engineering, Sungkyunkwan University) ;
  • Lee, J.H. (Planning Team, Sunil Industry) ;
  • Park, Chae Won (Department of Industrial Engineering, Sungkyunkwan University)
  • Received : 2020.03.06
  • Accepted : 2020.05.18
  • Published : 2020.06.30
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Abstract

At the construction site of the driving site, the pile rebound and penetration measurements are performed manually to determine the end point of the driving operation, thereby causing the measurer to be exposed to a death accident. In this study, in order to eliminate the risk of this work, a non-contact penetration measuring device was developed and usability evaluation was conducted. The penetration measuring device is manufactured based on the ultrasonic sensor, and can be combined with the pile to deliver the data in real time, and the delivered data can be output in real time on the portable PC and the final penetration can be calculated. Usability evaluation on the device was conducted by comparison with manual work. Usability evaluation was largely evaluated on measured values, subjective comfort, and body parts comfort. The result of the measured value tended to overestimate the value measured manually by the measuring device, which is similar to the previous research. In terms of subjective comfort and body part comfort, overall satisfaction was higher than the manual method when using the measuring device. Taken together, these results indicate that it is possible to use the rudder measuring device in place of manual work in the construction site, and it is judged that the worker's comfort is greatly increased by using the measuring machine. The results of this study suggest that the use of non-contact measuring device in the field can be used as basic data to support them.

Keywords

References

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