광역철도 고속화에 따른 전동차의 주행안전성 해석

Now, the construction is gone at section between Onsu station and Bupyeong-gi Office station from 2005 years. The total length of extension is 10.2 km and the number of station which is built newly is 9 ea. The most of section pass through Gyeonggi-do Bucheon-si and the station at Incheon Metropolitan City is newly established. The section will operate in October, 2012. Thus, the necessity of safety examination about EMU depending on high speed of metropolitan railway. was magnified. In this study, It is purpose that examine running safety of EMU of metropolitan railway at maximum speed as 120km/h through critical speed analysis using VI-Rail analysis program. In addition, the dynamic characteristic of vehicle depending on running speed is examined by running safety analysis