열차하중이 장대레일궤도의 도상 횡방향 저항력에 미치는 영향

Title
열차하중이 장대레일궤도의 도상 횡방향 저항력에 미치는 영향
Alternative Title
The Effect of Wheel Load on the Lateral Resistance of CWR
Author(s)
한상윤; 한택희; 원덕희; 김대혁; 강영종
KIOST Author(s)
Han, Taek Hee(한택희)
Publication Year
2012-05-18
Abstract
High thermal axial force and vehicle loads cause the track to shift in a lateral direction and the formation of track geometry imperfections (track irregularity). When the thermal stress level and track irregularity with vehicle load reach a critical value, the track loses stability. In many studies, the stability of CWR tracks is analyzed. However these studies are only considered in temperature load. The ballast resistance is changed by wheel load. When the wheel load is applied, rails and ties are moved upward or downward. In this case the friction between ties and ballasts is decreased or increased. In this study the change of the ballast resistance of each tie was applied to the nonlinear analysis of CWR tracks.ach a critical value, the track loses stability. In many studies, the stability of CWR tracks is analyzed. However these studies are only considered in temperature load. The ballast resistance is changed by wheel load. When the wheel load is applied, rails and ties are moved upward or downward. In this case the friction between ties and ballasts is decreased or increased. In this study the change of the ballast resistance of each tie was applied to the nonlinear analysis of CWR tracks.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/27798
Bibliographic Citation
한국철도학회 춘계학술대회 논문집, 2012
Publisher
한국철도학회
Type
Conference
Language
Korean
Publisher
한국철도학회
Related Researcher
Research Interests

Structural Engineering,Composite Structure,Marine Energy,구조공학,합성구조,해양에너지

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