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전영석(Jeon, Young Seok) 한국도시철도학회 2015 한국도시철도학회논문집 Vol.3 No.3
To prevent the expansion of the significant train accident due to the misjudgement of the commanded-type railway traffic controller, it is necessary to analyze the conventional train traffic control process of that and to complement the domestic train operation rule. In this study, based on the report of Korea Aviation and Railway Accident Investigation Board, the train accidents observed the domestic commanded-type railway traffic controller is examined. Furthermore, appropriateness of the domestic related rules is reviewed. The safety requirements of the commanded-type railway traffic control system are proposed.
고속비상체의 충돌에 의한 고강도 콘크리트 파괴성상 검토
전영석(Jeon Young-Seok),김규용(Kim Gyu-Yong),남정수(Nam Jeong-Su),김홍섭(Kim Hong-Sub),미야우치 히로유키(Miyauchi Hiroyuki) 한국구조물진단유지관리학회 2011 한국구조물진단학회 학술발표회논문집 Vol.15 No.1
This paper presents the results of an experimental study on the destruction condition of high strength concrete with compressive strengths of 74-184 ㎫ when subjected to impact by 7.0㎜ sphere projectile at velocity speed about 350 m/s. The results indicate that the penetration depth in target specimens exhibit an overall reduction with an increase in the compressive strength of the concrete. However, when there is the back destruction in target specimens, the level of brittle fracture exhibit an overall increase with an increase in the compressive strength of the concrete.
전영석(Young-Seok Jeon),안승호(Seung-Ho Ahn),정광우(Kwang-Woo Chung),김재문(Jae-Moon Kim),김철수(Chul-Su Kim),정종덕(Jong-Duk Chung),정락교(Rag-Gyo Jeong) 한국철도학회 2009 한국철도학회 학술발표대회논문집 Vol.2009 No.5월
To assure the safety of urban railway train, it is necessary to observe the specified driving principles under an essential condition during running on tracks. These principles arises from a great deal of experience for a long time and include safe distance between trains, the railway signaling, block system, regular block of the highest priority and driving prohibition of simple railway vehicle in the main track, etc. Therefore, it is important to apply these principles to domestic urban railway driving regulations and railway vehicle driving regulations. However, domestic urban railway administrator established his own operation rules within the regulation. In this study, domestic urban railway administration's own rules are examined and the appropriate driving regulation on the safe driving principles is proposed.
전영석 ( Young Seok Jeon ),이희성 ( Hi Sung Lee ) 한국안전학회(구 한국산업안전학회) 2014 한국안전학회지 Vol.29 No.4
In the event of continued train operation being impossible as the result of a breakdown, it will be essential to dispatch a relieftrain to recover the broken down train. Operation of relief train carries with the risk of collision in the process of connection with brokendown train. The present study looks at the suitability of risk management procedures and associated problems in the light of case studiesof relief train operation, and of national legal standards and railroad company regulations. It looks at appropriate methods of riskmanagement and the problems that can arise. Based on the study a method is proposed of operating the relief train which is consistentwith appropriate risk management. The proposed method will improve the safety of relief train operation, It is hoped that the results of thestudy will be reflected in relevant laws and operating company regulations, and so contribute to enhancing the overall level of railroadsafety.
도시철도 차량에서 LCC 분석의 기본 절차에 관한 연구
정광우(Kwang-Woo Chung),전영석(Young-Seok Jeon),안준용(Joon-Yong An),김철수(Chul-Su Kim),정종덕(Jong-duk Chung) 한국철도학회 2009 한국철도학회 학술발표대회논문집 Vol.2009 No.5월
This papert presents brief history and a state-of-the-art survey of Life Cycle Cost (LCC) analysis, in particular LCC analysis in the Urban Transit Vehicle, based on a internationl codes and standards related to LCC analysis. A main objective of the LCC analysis is to quantify the total cost of ownership of a product throughout its full life cycle, which includes research and development, construction, operation and maintenance, and disposal. The predicted LCC is useful information for decision making in purchasing a product, in optimizing design, in scheduling maintenance, or in planning overhaul. This paper presents a LCC procedure consisting of seven steps, which are “Problems definition”, “Cost elements definition”, “System modeling”, “Data collection”, “Cost profile development”, “Evaluation”, and "Verification". Sub-activities to be encompassed in the seven steps procedure are described.