증속에 따른 고속철도 궤도구조물 핵심설계인자 검토

Korea efforts to improve the speed of high-speed rail like China, Europe and Japan. For each country, as well as infrastructure such vehicles, especially the track structures like track, roadbed, bridge, tunnel have been checked to support reliable service for high-speed driving of railroad vehicle. In research on 400km/h high-speed railroad infrastructure started after 2010, we are building a test-bed for some sections of Honam high-speed railroad, and we have examined key design factors in track structures with increased speed. In this study, the additional key design parameters in order to improve the speed of railroad including domestic and international high-speed railroad in operation, are derived and research topics of track structures for 400km/h or more are comprehensively investigated.