Qingyang Liu

Fatigue damage behavior and structural optimisation of asphalt concrete-reinforced subgrade in ballastless tracks under extreme climates

Abstract In cold regions, extreme cold and freeze–thaw cycles cause frost heave, layer separation, and fatigue cracks in high-speed railway ballastless tracks, posing a risk to the structure and safety. This study examines CRTS III tracks with full-scale fatigue tests at − 48 °C...