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http://dx.doi.org/10.5762/KAIS.2019.20.10.26

Study on The Modification of The Transition Curve to Increase Operating Speed of Existing Line  

Kim, Jae-Bok (Division of Railway Engineering, TESO Engineering)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.10, 2019 , pp. 26-32 More about this Journal
Abstract
The purpose of this study is to improve the running speed on a small-radius curved section on an existing train line. When the transition curve was extended, and the amount of movement in the horizontal direction tended to increase as the curve radius increased. The amount of increase in the transition curve extension was lowest when extending the curve radius, and the amount of horizontal movement was the lowest when changing the curve radius to a cosinusoidal curve. As a result of applying the pass rate after improvement to the Kyeongbu line, there was a time-shortening effect of 9.4 to 11.6% and a facial expression speed increasing effect when the curve radius was fixed and the transition curve was changed to a sinusoidal curve. In conclusion, the most effective way to improve the running speed on an existing train route is to change the image to concrete and to change the relaxation curve to a cosinusoidal curve. The amount of horizontal movement of the track is small, and the speed improvement effect is excellent.
Keywords
Transition Curve; Cubic Parabola; Cosinusoidal Curve; Lateral Movement; Speed Increasing;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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