Journal of the Korean Society of Safety (한국안전학회지)

The Korean Society of Safety (한국안전학회)
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Measurement Criteria for Drag-Sled Type Slip Resistance Tester Based on Human Gait and Slip

인간의 보행 및 미끄러짐 특성에 기반한 끌기형 미끄러짐 저항 측정 조건

  • Park, Jae-Suk (Occupational Safety and Health Research Institute, KOSHA) ;
  • Kwon, Hyuck-Myun (Occupational Safety and Health Research Institute, KOSHA) ;
  • Oh, Whan-Sup (Department of Mechanical Engineering, Kyunghee University)
  • 박재석 (한국산업안전보건공단 산업안전보건연구원) ;
  • 권혁면 (한국산업안전보건공단 산업안전보건연구원) ;
  • 오환섭 (경희대학교 기계공학과)
  • Received : 2012.07.17
  • Accepted : 2012.10.02
  • Published : 2012.10.31
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Abstract

This study was performed to find out the measurement criteria of slip resistance from analysis of human gait and slips. Many kinds of slip resistance testers were developed based on mechanical friction testers. But, there are, as yet, no unambiguous slip resistance measurement methodologies and generally accepted safety criteria or safety thresholds for estimating slipping hazard exposures. Also, there are variety of measuring conditions between those testers. The measurement criteria should be tested within the range of human slipping conditions observed in biomechanical studies. It's results should clearly consider whether the devices reflect the human slipping conditions. In this study a dragsled type friction tester, which was constructed in accordance with ISO 15133 basically, was used. Test conditions were set in order to determine the range of measurement criteria. It is shown that drag velocity should be more than 1 m/s, acceleration be more than 10 $m/s^2$, contact time be less than 0.1sec, and contact pressure be within 350~400 kPa.

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References

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