• 대한안전경영과학회지
• /
• 제17권3호
• /
• pp.89-96
• /
• 2015

The study was conducted with statical analysis of data (828 data in 2010, 752 data in 2012, 648 data in 2014) in order to evaluate laboratory awareness difference of research employees working in different types of universities. Results of the study were as follows: First, university institutes in the order of polytechnic colleges, university, and junior college showed the highest laboratory safety awareness in 'awareness and education of laboratorial safety regulation' and 'awareness in laboratory risk factors'. Second, the difference in safety awareness of universities by year(years that conducted current status survey) was the highest in year 2014, then in 2010, and in 2008. Third, the difference of research employees working for laboratory safety management by year(years that conducted current status) showed that university had the highest laboratory safety awareness in year 2010, but it changed to polytechnic colleges in year 2012 and 2014. Through this study, we could recognize the difference in safety awareness of research employees working in university institutes.

• 한국안전학회지
• /
• 제30권6호
• /
• pp.139-147
• /
• 2015

This study deals with actual commuting distance and influence of risk factors depending on commuting distance and mode in order to reestablish actual commuting zone of primary school students. Data mining analysis(CHAID) was applied for this reestablishment using survey results from 6,927 primary school students in Seoul Metro. Six risk factors; convenience level of commuting path condition, convenience level of road crossing condition, vehicle speed on commuting path, segregation level between commuter and vehicle, congestion level of commuting path, and public security level and two mode; walking and cycle are considered in the analysis. As the results of CHAID analysis, commuting distance was divided into four zones; Internal Zone(0.491km under), External Zone(0.492 ~ 1.492km, 1.493 ~ 2.699km), Commutable Zone(2.70km over), and awareness level on safety is declined as commuting distance is increased. The risk factor affecting on safety is recognized differently by students depending on commuting distance and mode. For students commuting by walking, vehicle speed on commuting path and convenience level of commuting path condition are recognized as the prime risk factor within Internal Zone and Commutable Zone, respectively. For students commuting by cycle, convenience level of road crossing condition and vehicle speed on commuting path are recognized as the prime risk factor within Commutable Zone. Analysis results show that improved plan and program for commuting path for primary school students are required considering actual commuting distance and method.

• 보건교육건강증진학회지
• /
• 제21권2호
• /
• pp.147-165
• /
• 2004

Injury is a leading cause of death in the children and adolescent populations. In particular, more than 80％ of unintentional injury was related to risk-taking behaviors involved in diverse accidents around school and home. Therefore, educational approaches should be provided for children and adolescent populations, and schools are the essential and appropriate sites to conduct safety education. This study was conducted to identify injury prevalence and safety education at schools among middle and high school students in Korea. About 1,034 middle and high students in 28 schools participated in a self-administered survey. The target schools were selected from the stratified random sampling method throughout schools of seven metropolitan cities in Korea. The questionnaires were delivered to the vice-principals by ground mailing service and the vice-principals administered survey data collection. The questionnaire asked about safety education provided in schools, injury experience in the last year, needs for injury prevention class in school, and demographics. All survey responses were entered into SPSS worksheet. Multivariate analysis of variance (MANOVA) and descriptive discriminant analysis (DDA) were used in statistical analysis with SPSS software 11.1. Multivariate analysis of variance was conducted as a preliminary analysis of DDA. According to the result of multivariate analysis of variance, gender (man), grade (poor), living with both parents, and displaying injury prevention messages on school news board were significantly different between the injured student group and the uninjured student group (p＝ .00). These four factors also had significant effects on students' injury experience in DDA, although correlation of the four factors with injury experience was weak overall based on their canonical function coefficients. All structure coefficients of the four factors were greater than .30, which means the four factors have discriminant effects on injury prevalence. The sizes of the discriminant effects, in order, were largly from gender, grade, living with both parents, and safety message display on school news boards.

• 비교교육연구
• /
• 제28권1호
• /
• pp.25-49
• /
• 2018

학교안전사고의 발생률이 점점 증가 하고 있고 범죄의 수위도 높아지고 있다. 최근에 중국의 학교폭력, 아동청소년 성범죄사건으로 인한 사회적 갈등이 심해지고 있으며 학교안전사고와 관련되는 법정 다툼도 늘어나고 있다. 이러한 문제의식에서 출발해 본 연구는 한국과 중국의 학교안전사고의 법률법규를 비교분석하고 관련 판례를 양국 각각 40개씩 총 80개를 사고발생시간대별과 교육주체별로 비교분석하여 중국에 대한 시사점을 찾는 것이 목적이다. 연구결과는 다음과 같다. 첫째, 시간대별 학교안전사고 판례분석을 통해 양국의 책임판단 기준은 대동소이하며 차이는 관련 법규의 규정으로 인한 것임을 알 수 있었다. 둘째, 교육주체별 판례에서도 각 교육주체의 책임범위는 다양한 부분 중복되었지만 각자 다른 책임이 부과됨을 알 수 있는데 이 또한 양국의 책임귀속원칙 그리고 학교안전사고 관련 정책에 따른 차이로 볼 수 있다. 이상의 비교분석 결과를 통하여 학교안전사고의 예방, 법적근거의 마련, 기존법률의 보완에 대한 제언을 제시하였다.

• Nuclear Engineering and Technology
• /
• 제55권2호
• /
• pp.566-574
• /
• 2023

Investigating the seepage characteristics of the leaching solution in the ore-bearing layer during the in situ leaching process can be useful for designing the process parameters for the uranium mining well. We prepared leaching solutions of four different viscosities and conducted experiments using a self-developed multifunctional uranium ore seepage test device. The effects of different viscosities of leaching solutions on the seepage characteristics of uranium-bearing sandstones were examined using seepage mechanics, physicochemical seepage theory, and dissolution erosion mechanism. Results indicated that while the seepage characteristics of various viscosities of leaching solutions were the same in rock samples with similar internal pore architectures, there were regular differences between the saturated and the unsaturated stages. In addition, the time required for the specimen to reach saturation varied with the viscosity of the leaching solution. The higher the viscosity of the solution, the slower the seepage flow from the unsaturated stage to the saturated stage. Furthermore, during the saturation stage, the seepage pressure of a leaching solution with a high viscosity was greater than that of a leaching solution with a low viscosity. However, the permeability coefficient of the high viscosity leaching solution was less than that of a low viscosity leaching solution.

• 교육녹색환경연구
• /
• 제22권3호
• /
• pp.14-29
• /
• 2023

본 연구는 안전한 학교 실현을 위한 학교의 역할과 책임을 명확히 하기 위하여 학교안전기준의 내용과 형식을 제시하는 데 목적이 있다. 이를 위해 학교안전기준이 학교 현장에서 운영하는데 어려움을 교육행정사무관, 장학사, 연구사 총 26명으로 4개의 소그룹으로 나누어 현장 전문가의 의견을 청취하고 관련 자료를 분석하였다. 결과적으로 학교안전기준안에 대한 시도교육청에 재직하고 있는 교육행정사무관, 장학사, 연구사의 심층 면담을 종합적으로 분석하여, 학교안전기준 개발의 필요성, 학교안전기준 내용의 적정성, 학교안전기준 형식의 적절성, 학교안전기준안의 현장 적용성 등 넷 측면에서 결과를 도출하였다. 연구 결과를 토대로 결론을 제시하면 다음과 같다. 첫째, 학교안전기준 개발 방향 설정에 관한 내용이다. 둘째, 학교안전기준 체계 및 내용 탐구에 관한 내용이다. 셋째, 학교안전기준 내용 초안 마련에 관한 내용이다.

• Computers and Concrete
• /
• 제33권5호
• /
• pp.595-603
• /
• 2024

In the construction industry, there has been a surge in the implementation of high-tech equipment in recent years. Various technologies are being considered as potential solutions for future construction projects. Building information modeling (BIM), which utilizes advanced equipment, is a promising solution among these technologies. The need for safety inspection has also increased with the aging structures. Nevertheless, traditional safety inspection technology falls short of meeting this demand as it heavily relies on the subjective opinions of workers. This inadequacy highlights the need for advancements in existing maintenance technology. Research on building safety inspection using 3D laser scanners has notably increased. Laser scanners that use light detection and ranging (LiDAR) can quickly and accurately acquire producing information, which can be realized through reverse engineering by modeling point cloud data. This study introduces an innovative evaluation system for building safety using a 3D laser scanner. The system was used to assess the safety of an existing three-story building by implementing a reverse engineering technique. The 3D digital data are obtained from the scanner to detect defects and deflections in and outside the building and to create an as-built BIM. Subsequently, the as-built structural model of the building was generated using the reverse engineering approach and used for structural analysis. The acquired information, including deformations and dimensions, is compared with the expected values to evaluate the effectiveness of the proposed technique.

• 한국원자력학회:학술대회논문집
• /
• 한국원자력학회 2004년도 추계학술발표회 발표논문집
• /
• pp.389-390
• /
• 2004

• 해양환경안전학회:학술대회논문집
• /
• 해양환경안전학회 2017년도 공동학술발표회
• /
• pp.91-91
• /
• 2017

• Safety and Health at Work
• /
• 제7권1호
• /
• pp.86-87
• /
• 2016