Korean Journal of Construction Engineering and Management (한국건설관리학회논문집)

Korea Institute of Construction Engineering and Management (한국건설관리학회)
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Characteristics Analysis of Seasonal Construction Site Fall Accident using Text Mining

텍스트 마이닝을 활용한 계절별 건설현장 추락사고 특징 분석

  • Kim, Joon-Soo (Department of Civil Engineering, Kyungpook National University) ;
  • Kim, Byung-Soo (Department of Civil Engineering, Kyungpook National University)
  • Received : 2019.01.12
  • Accepted : 2019.02.12
  • Published : 2019.05.31
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Abstract

The death rate of industrial accidents per 10,000 people in Korea is two to three times higher than that of major countries. Falling accidents at the construction site happened to have caused the most deaths. Analysis of existing research and measures by national institutions showed that the industrial accident management concentrated on falling accidents was insufficient and the seasonal safety management measures were not enough. There is thus the need for research that provides detailed and enough information on falling accidents. This study, therefore, aims to overcome the limitations of existing research and safety management accident response using a methodology that provides the necessary information for the prevention of fall accidents by deriving seasonal crash characteristics of the construction site. In order to provide enough information, 387 cases of seasonal construction site falling were collected, which describes the causal relationship of accidents. Text mining using principal component analysis and cluster analysis was carried out. The analysis showed that: In the spring, snowfall and unreasonable operation of equipment including lifts were the major cause. In summer, most accidents were caused by form, insufficient safety inspection, and installation work. In autumn, weather factors such as wind and typhoon were the cause. In winter, material transportation, exterior wall work, and ignore safety precautions were the cause of the crash.

우리나라의 사망사고만인율은 주요 국가와 비교하면 2~3배 높으며 그 중 건설현장의 추락사고는 가장 많은 사망사고를 유발하고 있다. 기존연구와 국가기관의 조치를 살펴보면 추락사고에 집중된 산업재해 관리의 미흡과 계절별 안전관리 대책의 미비가 그 원인인 것으로 판단된다. 본 연구에서는 기존 연구 및 조치의 한계점을 해결하기 위하여 계절별 건설현장 추락사고 특징을 도출하고, 추락사고 방지책을 마련하는데 필요한 적정 정보를 제공하고자 한다. 정보의 제공을 위하여 사고발생 인과간계에 대하여 기술한 계절별 건설현장 추락사고 기사데이터 387건을 수집 후, 주성분분석과 군집분석을 활용한 텍스트 마이닝을 실시하였다. 분석결과 계절별 특징으로서 봄에는 강설, 리프트를 포함한 장비의 무리한 운용 등이 원인이며, 여름에는 거푸집, 점검미비, 설치작업 등이 원인으로 나타났다. 그리고 가을에는 바람과 태풍의 날씨요인 등이 원인이며 겨울에는 자재운반 및 외벽작업, 안전수칙 미 준수 등이 추락사고의 원인으로 나타났다.

Keywords

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Fig. 1. Industrial accidents per 100,000 people at Construction Site in Korea

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Fig. 2. Study Process

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Fig. 3. Cluster analysis of fall accident in spring

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Fig. 4. Cluster analysis of fall accident in summer

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Fig. 5. Cluster analysis of fall accident in autumn

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Fig. 6. Cluster analysis of fall accident in winter

Table 1. Cumulative results of seasonal fall accident factor

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Table 2. Fall accident principal component analysis in spring

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Table 3. Fall accident principal component analysis in summer

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Table 4. Fall accident principal component analysis in autumn

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Table 5. Winter Construction Site Fall Accident Principal Component Analysis

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Table 6. Characteristics of seasonal construction fall accident and status of data reduction

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