URL：https://www.researchgate.net/profile/Javier-Santamaria-4/publication/232858440/figure/fig4/AS:393548026400786@1470840569840/Radii-of-curvature-of-the-rail-and-the-wheel-when-flange-contact-occurs.png
掲載元：https://www.researchgate.net/figure/Radii-of-curvature-of-the-rail-and-the-wheel-when-flange-contact-occurs_fig4_232858440
