Variety of rail defects and long-term of external force will cause the phenomenon of railfracture. There are two common reasons which will causes rail break.
在轨道交通中，钢轨由于自身材质的缺陷以及长期受到各种外力复合作用会使得钢轨发生折断现象。
2
Based on a failure model of fracture mechanics pattern, this new method deals with the life estimation in the light of the standard promulgated by the Railway Ministry for rail replacement.
在运用断裂力学模式所建立的故障模型基础上，该法用铁道部部颁换轨标准处理寿命估算。
3
The effect of specimen type, thickness, dimension ratio, and notch sharpness on fracture toughness of a carbon rail steel was examined.