• Title/Summary/Keyword: 재해요인분석

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상관분석을 응용한 산업재해사례 요인의 고찰

  • 홍광수;정국삼
    • Proceedings of the Korean Institute of Industrial Safety Conference
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    • 1997.11a
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    • pp.331-336
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    • 1997
  • 본 연구에서 산업재해 사례를 연구 대상으로 재해 발생의 여러 가지 요인들의 관련을 검토하고자 통계적 기법을 이용한 재해요인별 상관분석, 또는 영향의 정도 파악, 재해 요인의 통제에 따른 기타 재해요인에 대한 영향 분석을 시도하는 통계학적 분석 방법을 이용한 재해 발생의 중요요인을 분석하고자 첫째, 산업재해 통계 자료의 내용을 분석하여 재해 관련 변수들을 파악하는데 불안전 행동 및 불안전상태에 의한 재해 형태와 기타 변수들 간의 정성적 상관분석을 통한 상관계수를 고찰, 둘째, 명목척도인 범주형 변수 상호 간의 관련 여부를 파악하기 위해 카이제곱(chi-square)검정을 행하여 입원 일수를 종속 변수로 하는 기타 변수들의 독립성 여부와 변수 상호간 연관이 있다고 판단될 때 각 변수의 연관의 정도 비교, 셋째, 어떤 변수 상호간 일정한 관계를 가질 때 변수의 범주별로 반응변수(종속변수)에 미치는 영향을 회귀식 형태로 파악하고 비교하기 위하여 로짓(logit)모형을 적용하였다. (중략)

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A Study on the Risk Factors according to the Frequency of Falling Accidents in Construction Sites (건설현장 추락재해의 발생 빈도에 따른 위험요인 연구)

  • Kim, Do-Su;Shin, Yoon-Seok
    • Journal of the Korea Institute of Building Construction
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    • v.19 no.2
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    • pp.185-192
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    • 2019
  • Construction has been well known as the industry in which accidents occur more often than other industries. The efforts to eliminate the accidents at construction sites need to be continuously conducted because they tend to cause the social problems such as massive loss of life and property. According to the Korea Occupational Safety and Health Agency (KOSHA), 26,570 (29.3 percent) out of 90,656 workers in total industrial accidents have been occurred in the construction industry in 2016. Particularly, the falling victims are the largest number, which is about 8,699. This number is increasing due to the increase of the large scale, high-rise, and complex construction structures and the various construction methods. In reality, there is a lack of analysis on the risk factors of safety accidents and preventive measures. Therefore, in this study, we have selected risk factors by analyzing the accident cases at construction sites. Based on the results, we conducted a safety practitioner-focused survey and had an interview with safety managers. In analyzing the cases, we have categorized them into three groups such as upper, middle, and lower and compared their statistical results. This study are expected to provide safety management guidelines with workers and safety managers to prevent previously fall accidents at construction site.

An Analysis of the Causal Relations of Factors Influencing Construction Accidents Using DEMATEL Method (DEMATEL 기법을 적용한 건설재해 영향요인 구조 분석)

  • Kim, Dongwook;Jung, Yunho;Hong, Minki;Jang, Hyounseung
    • Korean Journal of Construction Engineering and Management
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    • v.21 no.1
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    • pp.87-98
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    • 2020
  • As the construction industry accounts for 28.5% of industrial accidents in Korea and 29.6% of industrial accident deaths in 2017, it is necessary to search for a priority disaster reduction scheme for the construction industry in order to reduce the industrial accident rate. Therefore, this research suggested improvement direction for construction accidents reduction based on factors affecting construction accidents occurring in the construction site by DEMATEL analysis. As a result of the analysis, the 4M factors with the highest Prominence and Relation is 'Management', and the detailed analysis of the 4M factors were Personal characteristics of workers, Defects such as machinery and equipment, Inadequate inspection of machinery and equipment, Insufficient safety management plan, Inappropriate work orders from supervisors and field managers. The analysis results of this research can be used as a basic data for establishing direction of reduction and improvement of construction accidents.

Classification of Cities in the Metropolitan Area based on Natural Hazard Vulnerability (기후변화 대응을 위한 광역도시권 차원의 자연재해 저감방안 연구 -자연재해 취약성에 따른 수도권 도시의 유형화-)

  • Shim, Jae Heon;Kim, Ja Eun;Lee, Sung-Ho
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.13 no.11
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    • pp.5534-5541
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    • 2012
  • This paper classifies cities in the metropolitan area based on natural hazard vulnerability. The procedure of our empirical analysis is divided into three parts as follows: First, it summarizes variables related to natural hazard vulnerability to significant factors, carrying out principal component analysis. Second, it classifies cities in the metropolitan area, conducting cluster analysis using factor scores. Lastly, it proposes differential measures for natural hazard mitigation for classified cities in the metropolitan area, based on natural hazard vulnerability.

Analysis of Factors Behind Human Error in Fatal Construction Accidents using the m-SHEL Model (m-SHEL 모델에 의한 건설 중대 사고재해의 휴먼에러 배후 요인 분석)

  • An, Sung-Hoon
    • Journal of the Korea Institute of Building Construction
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    • v.22 no.4
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    • pp.415-423
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    • 2022
  • As human factors are the most important cause of construction accidents, it is important to reduce human error in construction work to reduce accidents. However, the error forcing context in organizational situations acts as a factor behind human error. Therefore, fatal construction accidents were analyzed using the m-SHEL model, which can identify the factors behind human errors. Through such analysis, it was found that there are differences in the detailed factors behind human errors according to the type of fatal accidents in construction, This study is meaningful in that it confirmed through accident cases that it is important to understand and respond to organizational situations in order to reduce human error in construction work.

Weight estimation of complex risk index using entropy (엔트로피를 이용한 복합위험지수의 가중치 산정)

  • Lee, Lim-Yeol;Kim, Duck-Gil;Kang, Na-Rae;Lee, Jong-So;Kim, Hung-Soo
    • Proceedings of the Korea Water Resources Association Conference
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    • 2012.05a
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    • pp.408-408
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    • 2012
  • 최근 기후변화 때문에 태풍, 호우 등 자연재해로 수방시설물의 피해규모가 커지고 있으며 이러한 피해는 단일 재해요인이 아닌 여러 재해요인이 복합적으로 작용하여 발생하고 있다. 그러므로 도시의 안전성과 방재기능을 확보하기 위해서는 복합위험요소를 고려한 재해위험도의 진단 기술 및 종합적인 재해경감대책 수립을 위한 연구가 필요한 실정이다. 복합위험요소를 고려한 재해위험도 및 재해경감대책을 수립하기 위해서는 도시재해를 유발하는 다양한 요인들이 도시재해에 미치는 영향과 재해요인 중에서 어떠한 재해요인이 도시재해에 더 큰 영향을 미치는지에 대한 검토가 필요하다. 이에 본 연구에서는 정보전달 이론 중의 하나인 엔트로피 방법을 이용하여 복합위험요소를 고려하여 도시지역에 대한 재해위험도를 나타내는 복합위험지수의 가중치를 산정하고자 하였다. 복합위험지수의 가중치는 지표별 속성정보를 추출하여 정규화 과정을 거친 후, 속성별 엔트로피를 산정하여 지표별로 산정된다. 엔트로피 방법에 따라 산정된 가중치는 다른 가중치 산정 방법에 따라 산정된 가중치와의 비교 분석을 통하여 타당성을 검토할 것이며, 이렇게 산정된 가중치를 복합위험지수 산정에 적용한다면, 보다 현실성 있는 도시재해 위험성 또는 취약성 지수로 활용될 수 있을 것으로 판단된다.

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Individual, Family and Industrial Factors Related to Injured Workers' Motivation for Change : Application of the Transtheoretical Model (산업재해 근로자의 변화동기에 영향을 미치는 개인, 가족, 산업재해 요인 : 범이론 모형의 적용)

  • Song, Moon-Hee;Kwon, Hee-Kyung
    • The Journal of the Korea Contents Association
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    • v.17 no.2
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    • pp.258-268
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    • 2017
  • The purpose of this research was to examine the factors affecting motivation for change of injured workers. Data from 305 injured workers were anlayzed using hierarchical regression Factors associated with injured workers' motivation for change were: multiple psychological security, acceptability of injury, and independence at personal level, family support at family level, and perceptive severity of injury, job, and return to job.

A Study on the Effect of Construction Site Risk Assessment Operation System (건설현장 위험성평가 운영시스템 구축효과에 관한 연구)

  • Lee, Jae-Bung
    • Proceedings of the Korean Society of Disaster Information Conference
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    • 2022.10a
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    • pp.185-186
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    • 2022
  • 2012년 9월부터 건설현장 위험성평가는 안전관리 업무로 의무화되었으나, 해당 근로자가 사전위험성을 추정하고 대책을 수립하여 재해예방 활동으로 연계되기에는 위험성평가 작성부터 어려움이 있다. 위험성평가 운영시스템 구축을 통해 건설현장 근로자가 해당작업의 위험요인 및 안전대책을 쉽게 파악할 수 있도록, 작업 공종 선택만으로 해당작업의 다양한 위험요인과 안전대책을 제시하고, 해당 공종에서 발생한 재해사례를 보여줌으로써 동종 재해 재발방지 대책수립이 가능하도록 시스템을 구축하였다. 이러한 위험성평가 활동의 효과분석을 위해 H건설사의 운영평가에서, 위험성평가 운영시스템 구축 이후 건설현장 근로자가 위험성평가 활용에 쉽게 접근할 수 있고 해당공정의 위험요인 추정 및 위험예방 대책 수립이 가능하게 되었으며, 평가기간 동안 재해율 감소에도 영향이 있는 것으로 분석되었다.

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A Study on Disaster Influencing Factors and Importance for Safety Management in NATM Tunnel Drilling (NATM 터널 굴진 시 안전관리를 위한 재해영향요인 및 중요도에 관한 연구)

  • Lee, YoungSoo;Yoon, Younggeun;Oh, Taekeun
    • The Journal of the Convergence on Culture Technology
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    • v.8 no.6
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    • pp.757-763
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    • 2022
  • In the NATM tunnel construction method for urban subway and underpass construction, various causes of disaster exist. In this study, in order to analyze the importance of disaster influencing factors during NATM tunnel excavation, the possible risk factors were analyzed through prior research such as drilling, charging and blasting, It was divided into the work items of wrinkle treatment, pumice cleanup, and support materials. Next, the final 21 detailed measurement indicators were selected through the FGI survey of related experts, and AHP (Analytic Hierarchy Process) analysis were conducted. As a result, it was found that the workers involved in the tunnel construction were the most influential disaster influencing factor.