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철근콘크리트 도상과 AF 궤도회로의 상호영향에 관한 연구
홍효식(Hong Hyo-Sik),유광균(Yoo Kwang-Kiun),노성찬(Rho Sung-Chan),허남경(Her Nam-Kyoung) 한국철도학회 2009 한국철도학회 학술발표대회논문집 Vol.2009 No.11월
For the characteristic of improvement of railway roadbed environment and a convenient maintenance the use at ferroconcrete roadbed is increasing. The ferroconcrete roadbed arranges the steel frame with the lattice shape and submerge of a concrete. In order to overcome the limit of ground signal system, the use of AF track circuit for CAB signal system is increasing. The AF track circuit using on audio frequency signal is being influence with ferroconcrete roadbed. It occur to alternation on the track circuit characteristic. This paper prove influence of the AF signal and ferroconcrete roadbed by simulation and then calculation of distance variation of track circuit.