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인화성액체 및 일반가연물에 의한 바닥재 탄화 패턴 분석
조희수,이형일,권준민 한국화재감식학회 2017 한국화재감식학회 학회지 Vol.8 No.3
This paper performed a study on the analysis of the flooring material carbonization pattern by flame liquid and general combustibles. The result of a carbonization pattern analyse through a microscope. It shows that a black glossy reticular structure marked on the carbonized surface when the 50 [ml] of gasoline and thinner sprayed and ignited a surface in the vinyl floor covering and the carpet. A boundary surface identified in the carbonized in the vinyl floor covering and the carpet. Also, an intermediate point exist between the boundary surface and the non-melted area in carpet surface. In the case of the cross-section of the carbonized carpet, the thin vinyl wires and bonding layer are burned by fire heat. In addition, the case-hardening layer is severely carbonized, and the buffer layer and underlying layer are also partially carbonized and discolored. When burning the vinyl floor covering, laminate floor and carpet after placing and igniting the piece of cotton and timber on them with 50 [ml] of gasoline being sprayed on it, it was seen a clear distinction made on the boundary surface. The carbonized area has black color with a matte or polish parts. The boundary of the carpet has been marked with a narrow line. A little intermediate point exist between the boundary surface and the non-melted area. As can be seen from the above results, it proves that there are differences between flammable liquids and general flammable materials in a surface and cross-section of carbonized pattern even though same the flooring material is used. Therefore, it is thought that these results can be utilized to investigate patterns of arson and accidental fire by flammable liquid. Furthermore, it can be proposed a new technique for the carbonization pattern of a flammable liquid and general combustibles.
안전리더십, 안전문화, 안전행동 간의 구조적 관계 :항공사 객실조직을 중심으로
조희수 한국이벤트컨벤션학회 2022 이벤트 컨벤션 연구 Vol.18 No.4
Purpose – The purpose of this study is to examine the structural relationship of between safety leadership, safety culture, safety behaviors focusing on airline cabin organization Design, data, and methodology – This study used theoretical and empirical research methods. In order to achieve that purpose, empirical research was conducted using questionnaires given to 230 flight attendant who work internal FSC(Full Service Carrier) airlines. The data collected were analyzed with the SPSS 20.0 and AMOS 22.0 statistics package. Analysis was performed using frequency analysis, general characteristics of sample, Structural equation model was implemented for confirmatory factor analysis, Cronbach's alpha calculation, correlation analysis test. Result – The result of this study empowering leadership among safety leadership was found to affect safety culture and safety behavior. It was found that directive leadership had an effect on safety behavior and not on safety behavior. And Safety culture was found to affect safety behavior. Conclusions – The implication of this study is to safety leadership influences the safety behavior of cabin crew by establishing a safety culture in the cabin organization.