• 제목/요약/키워드: Accident cause analysis

검색결과 625건 처리시간 0.022초

산업재해 사례인자의 범주형 분석 (Categorical Analysis for the Factors of Incustrial Accident Cases)

  • 지경택;송영호;정국삼
    • 한국안전학회지
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    • 제17권1호
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    • pp.94-98
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    • 2002
  • This study aimed to search for the fundamental accident causes using a categorical analysis, a kind of statistical methods. As the analysis methods, correlation analysis, independence test and logistic regression analysis were used. And the SPSS package, a general-purpose mathematical library, was used to obtain statistical characteristics. As the result of this study, the accident causes associated with factor of 'lost working days' were factors such as 'employed periods', 'sex', 'type of accident', 'month'. In case of applying independence test method, the most important cause was the factor of 'month'. In case that logistic regression analysis method was applied, the cause contributed to the increase structure'. 'less than 6 month'. On the basis of these results, the plan for accident prevention and the proper investment for accident prevention expenditure could be carried out in each workshop.

모듈러 건축에서의 안전사고 원인 분석 및 저감방안 - 제작 및 시공단계 작업을 중심으로 - (Cause Analysis and Reduction of Safety Accident in Modular Construction - Focusing on Manufacturing and Construction Process -)

  • 정길수;이현수;박문서;현호상;김현수
    • 대한건축학회논문집:구조계
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    • 제35권8호
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    • pp.157-168
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    • 2019
  • Modular Construction is regarded as having enhanced safety compared to traditional construction since most of modular manufacturing process in plants. Unlike general consideration for safety in modular construction, several industrial accident data and studies have pointed out that the accident rate of modular construction is not enough less as much as the practitioners have expected. It means that there is a clear need for improvement of safety management in modular construction. To enhance safety, it is necessary to identify the type and cause of accident through accident cases in order to prevent safety accident in advance. In this consideration, this study analyzed the types and causes of accidents through root cause analysis procedure with accident cases of U.S. OSHA. The classification was carried out in the order of process type, accident type and cause of accident. By following the classification criteria in this study, the causal factor was derived and the root cause map was created. Based on the analysis results, cross-analysis was conducted and it is shown that activity characteristics of modular construction are related to safety accidents. In addition, prevention methods to reduce safety accident by major activity are presented in terms of organizational, educational and technical aspects. This study contributes that the result can be used as the basic safety management in the manufacturing and construction process of modular construction.

케이블 사고 자가원인 진단시스템 구축 및 사고사례 검증에 관한 연구 (The Study of Accident Cases Verification and Construction of It's Cause Diagnosis System of Power Cable Accident)

  • 김영석;송길목;김선구
    • 조명전기설비학회논문지
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    • 제23권9호
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    • pp.91-97
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    • 2009
  • 전력케이블 사고 발생시에는 사고원인을 규명 해야하며, 본 연구에서는 FMEA 방법을 이용하여 케이블 사고에 대한 자가원인 진단 시스템을 구축하였다. 자가원인 진단 시스템은 사고당시의 데이터 입력, 픽토그래프를 통한 사고형태의 표현, FMEA 방식을 적용한 사고확률 값으로 구성되어 있으며, 각 선택에 따라 사고원인에 대한 사고가능성이 결과로 나타나게 된다. 또한 실제 케이블 사고사례의 원인분석을 통해 자가원인 진단 시스템을 검증한 결과, 이 시스템은 실제 분석결과와 잘 일치되었다.

수도권 전철구간에서 발생한 조가선 절단원인 분석 (The cause analysis of broken accident on messenger wire in catenary system)

  • 장동욱;이기원
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2003년도 추계학술대회 논문집(III)
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    • pp.552-557
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    • 2003
  • The catenary system used in urban electrification railway have suffered mechanical and chemical stresses. These brought out severe messenger wire problems, these have caused accident. Especially, messenger wire is severely influenced by corrosion, vibration and tension. This paper investigate for the cause analysis of broken accident on messenger wire in catenary system. To analyze the cause analysis of accident, we have conducted experiment such as XRD, SEM, EDX and tensile test.

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Modern Cause and Effect Model by Factors of Root Cause for Accident Prevention in Small to Medium Sized Enterprises

  • Kang, Youngsig;Yang, Sunghwan;Patterson, Patrick
    • Safety and Health at Work
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    • 제12권4호
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    • pp.505-510
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    • 2021
  • Background: Factors related to root causes can cause commonly occurring accidents such as falls, slips, and jammed injuries. An important means of reducing the frequency of occupational accidents in small- to medium-sized enterprises (SMSEs) of South Korea is to perform intensity analysis of the root cause factors for accident prevention in the cause and effect model like decision models, epidemiological models, system models, human factors models, LCU (life change unit) models, and the domino theory. Especially intensity analysis in a robot system and smart technology as Industry 4.0 is very important in order to minimize the occupational accidents and fatal accident because of the complexity of accident factors. Methods: We have developed the modern cause and effect model that includes factors of root cause through statistical testing to minimize commonly occurring accidents and fatal accidents in SMSEs of South Korea and systematically proposed educational policies for accident prevention. Results: As a result, the consciousness factors among factors of root cause such as unconsciousness, disregard, ignorance, recklessness, and misjudgment had strong relationships with occupational accidents in South Korean SMSEs. Conclusion: We conclude that the educational policies necessary for minimizing these consciousness factors include continuous training procedures followed by periodic hands-on experience, along with perceptual and cognitive education related to occupational health and safety.

5Why를 통한 건설사고 원인분석 (Root Cause Analysis of Construction Accident Using 5 Why)

  • 조춘환
    • 한국재난정보학회 논문집
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    • 제20권3호
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    • pp.644-653
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    • 2024
  • 연구목적: 건설사고의 근본원인을 찾다보면 발주자의 무리한 공사비와 공기 책정의 문제로 귀결된다. 여기에 역량이 부족한 시공자의 저가입찰이 맞물리면서 공사의 착공 이전에 사고를 일으킬 수 있는 부적절한 공사 구조가 생성된다. 연구방법: 건설업 환경의 원청사 자원 부족이 협력사에게 전가되는 문제와 협력사, 그 소속 근로자는 최소 마진을 확보하기 위해 무리한 작업을 강행할 수밖에 없는 상황에 내몰리는 현상 분석. 연구결과: 건설 사고 근본을 거슬러 올라가면 물리적 현상부터 근본원인까지 여러 차원의 원인이 있는데도 지금까지의 사고예방 대책은 거의가 현상 대응형 1차원 수준에 머물러 있는 이유는 근본원인 분석 부족이다. 결론: 발주자(처)와 정부 주도의 안전사고 대책으로 패러다임 전환이 필요하고, 5Why와 같은 근본원인 분석 기법을 통하여 건설사고의 Root Cause를 찾아야 건설재해는 감소 된다.

철도사고 원인분석시스템 구축에 관한 연구 (Development of Railway Accidents Causal Analysis System)

  • 송보영;김만웅;문대섭;이동훈;이희성
    • 한국철도학회논문집
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    • 제13권4호
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    • pp.455-461
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    • 2010
  • 본 연구에서는 철도운영 및 시설기관의 사고/장애 데이터를 분석하여 근본원인-사고원인-위험원에 대한 분류체계를 수립하였고, 사고유형, 사고원인, 위험원, 근본원인에 대한 패턴분석을 통해 주요 사고별로 사고에 영향을 미치는 원인이 무엇인지를 정확히 분석하여, 철도사고를 유발할 수 있는 위험원인를 근본적으로 차단하기 위해 사고원인분석 정보를 국가 및 철도운영기관 등이 활용함으로써 효율적인 철도안전정책을 수립할 수 있는 사고원인분석시스템을 개발하였다.

개인 및 사고원인 특성이 재난안전인식에 미치는 영향분석 (Analysis of the Effect of Individual and Accident Cause Characteristics on Disaster Safety Perception)

  • 오후;임동균
    • 한국안전학회지
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    • 제36권2호
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    • pp.80-86
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    • 2021
  • The purpose of this study is to diagnose the level of disaster safety perception (disaster safety importance, accident possibility, personal safety, and regional safety) of local residents, and to analyze the impact of individual and accident cause characteristics. The analysis method used multiple regression analysis, and the main analysis results are as follows. First, disaster safety importance and accident possibility were higher as residents who had experience in safety education and were willing to visit the safety experience center in the province. Second, disaster safety importance was higher as the cause of the accident was the lack of response 119 and police. And accident possibility was higher as the cause of the accident was the lack of prior treatment by the state and local governments. Third, personal safety and regional safety were higher for men, and especially personal safety was lower as residents with children. The results of this study can be used as basic data for establishing regional customized disaster safety policies based on the perception of local residents, who are policy consumers.

Fault Tree Analysis에 의한 첨단설비 Arm 안전사고의 분석 (A Analysis of a Pointed-end Equipment Arm Safety-Accident for Fault Tree Analysis)

  • 윤용구;박범
    • 대한안전경영과학회:학술대회논문집
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    • 대한안전경영과학회 2005년도 춘계학술대회
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    • pp.279-290
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    • 2005
  • The purpose of this study is to attempt a Analysis of a pointed-end Equipment Arm Safety-Accident for Fault Tree Analysis. Three major techniques were used first problem is Z-Model by which accident Analysis & prevention of a pointed-end Industry can be made, Fault Tree Analysis(FTA) bywhich quantification of a pointed-end Equipment accident Analysis can be made it 5 years in past and the third, manual-written by which minimal cut set to accident can be Identified. A example has been made of issue point a pointed-end Equipment that the Arm in loader happen to Injuries. According to the Analysis lack of safety knowledge, unsafety-behavior seem to be the primal cause of accident. Comparision of the accident cause to actual report demonstratesthat the FTA a efficient tool for Industrial Accident prevention.

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화학사고 원인분석을 통한 예방대책 수립에 관한 연구 (A Study on Prevention Measure Establishment through Cause Analysis of Chemical-Accidents)

  • 이형섭;임지표
    • 한국안전학회지
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    • 제32권3호
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    • pp.21-27
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    • 2017
  • Even if several chemical accident prevention systems such as PSM(Process Safety Management), RMP(Risk Management Plan), etc. have been carried out, many chemical accidents have still occurred at industrial plants in Korea. We describe the status of chemical industry and the trend of occurrence of chemical accidents in Korea. And this paper analyzes the recent chemical accidents in eight ways. These ways include chemical accident forms, ignition sources, sources of chemical equipment, human vs equipment/material causes, worker's working situation, employee scale, hazardous substances, week & time, fatalities of manufacture & contractor's workers. Finally we proposes the four representative prevention measures brought to result of cause analysis by accident statistics.