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김준식(Kim Jun-Sik),이종수(Lee Jong-Su),이학규(Lee Hak-Kyu),이중권(Lee Jung-Kwon),이지하(Lee Jee-Ha) 한국철도학회 2004 한국철도학회 학술발표대회논문집 Vol.- No.-
In track a third weakness point is joint part, turnout part, curve part. One of them joint part of rail have been known to the most weak point by loosen of joint bar and fish bolt due to impulse and vibration by wheel contact at times. In addition happen to deformation and failure at end of rail, failure and miniature of ballast gravel. Finally impact between wheel and rail become origin cause of a welded rail, noise and vibration, riding condition deterioration, besides track failure. In the present domestic, Thermite and Gas pressure weldings have been used to continuous welded rail(CWR), however stiffness and confidence in quality is lower than Flash butt welding method. FBW have the excellent capacity, however have a shortcoming large scale of machine and power equipment. Therefore we will introduce Mobile Flash Butt Welder can weld in track.