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다양한 궤도틀림 데이터의 신뢰성 검토 (A Study on the Reliability of Various Track Recording Data)
이지하(Jeeha Lee),안성혁(Sung-Hyuk Ahn),박혜종(Hye-Jong Park),김박진(Bag-Jin Kim) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.5
Track geometry changes by traffic loads. The bigger the changes are, the worse the riding comfort and running stability of train. This is so-called track irregularity and is the most important quality parameters of ballasted track. To objectively assess track irregularity, track geometry should be able to be measured. Practically, railway companies in Korea use various track recording equipments to measure track irregularity. But this various equipments output different data due to their geometrical structure even measured at same location. In this report, the correlation of various track recording data used in Korea was reviewed.