한국건축시공학회지 (Journal of the Korea Institute of Building Construction)

  • 제22권3호
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  • Pages.293-303
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  • 2022
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  • 1598-2033(pISSN)
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  • 2233-5706(eISSN)
한국건축시공학회 (The Korean Institute of Building Construction)
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건설기성과 재해자수에 기반한 건설재해지표 산정방식

New Construction Accident Index Based on Number of Accident and Progress Payments

  • Yi, Kyoo-Jin (School of Social Safety System Engineering, Hankyong National University)
  • 투고 : 2022.02.03
  • 심사 : 2022.05.03
  • 발행 : 2022.06.20
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초록

건설공사의 정확한 상시근로자수의 산정이 어려워, 추정 상시근로자수를 기준으로 재해율을 산정한다. 또한 이러한 재해율 산정방식은 재해건수가 근로자수에 비례한다는 추정에 의해 만들어진 것이며, 이를 기반으로 하여 산정된 재해율의 신뢰도에 대한 문제가 제기된다. 본 연구는 추정값이 아닌 실제값을 기반으로 하면서도 간편하게 산정가능한 보조 재해지표를 개발하는 것을 목적으로 하여 공사실적과 재해자수를 기반으로 재해수준을 산정하는 방식을 제시하였다. 그 결과 상시 근로자수와 재해자수와의 상관계수보다 건설기성과 재해자수와의 상관계수가 더 높았다. 또한 매년 재해율이 증가하는 것으로 나타났으나, 재해기성비의 경우 최근 10년간 감소경향을 보여 재해율과 다른 양상을 보였다.

In construction work, it can be difficult to know the exact number of full-time workers, so the accident rate is calculated using the approximate number of full-time workers. In addition, as the accident rate calculation is performed based on the assumption that the number of accidents is proportional to the approximate number of workers, the reliability of the calculation result may be questionable. This study proposed a new indicator for accident level based on the progress payment and the number of injuries. The accident-progress ratio, which can be calculated by simply dividing the number of injuries by progress payment, can replace the existing accident rate index or be used as an auxiliary indicator of the accident level. The correlation coefficient between the number of injuries and the progress payment was higher than that between the number of injuries and the number of construction workers. In addition, over the past 10 years, the accident rate has been increasing, whereas the accident-progress ratio has showed a decreasing tendency. This might leave room for different interpretations of the annual variation in the accident level in the construction industry.

키워드

과제정보

This work was supported by a research grant from Hankyong National University in the year of 2021.

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