적정 유지관리수준에 기초한 궤도도상구조에 대한 경제성 검토Economic Assesment for Track Ballast Structures based on Proper Maintenance Level
- Other Titles
- Economic Assesment for Track Ballast Structures based on Proper Maintenance Level
- Authors
- 백재욱; 주환중; 송유섭; 박대효
- Issue Date
- Apr-2007
- Publisher
- 한국철도학회
- Keywords
- Track Ballast Structures; Maintenance Level; Preventive Maintenance; Life Cycle Cost; Delphi Survey; 궤도도상구조; 유지관리수준; 예방유지관리; 생애주기비용; 델파이설문
- Citation
- 한국철도학회논문집, v.10, no.2, pp.167 - 178
- Indexed
- KCI
- Journal Title
- 한국철도학회논문집
- Volume
- 10
- Number
- 2
- Start Page
- 167
- End Page
- 178
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/180209
- ISSN
- 1738-6225
- Abstract
- In general, it is known that the concrete ballast track is possible to reduce a cost of maintenance activities cause of maintenance free by restrictive maintenance in application of track ballast structures. However, if deteriorations and fracture mechanism of a material are considered, proper maintenance activities and repairing are continually required. For the problems, we evaluated an economical efficiency of the gravel ballast and the concrete ballast on a proper level of maintenance activities. As the method based on history path is difficult to obtain sufficient reliabilities cause of an absence of real data for maintenance activities, we chose the delphi survey method by professional group, and we obtained the appropriate index and profiles for maintenance activities. As a result, we founded that effects for cost reduction can be expected by preventive maintenance management, and we proposed economical restrictions and life cycle cost for track ballast structures in a life cycle.
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