The paper aims at the maximum axial load,showing that the maximum axial load determined by the shakedown limit is much larger than that by the elastic limit.

• 本文尝试着进行一些探讨，提出应以钢轨的安定极限值代替钢轨的弹性极限值作为钢轨的许用极限值，并就此进行了理论计算及实验分析工作，提出了一些有益的结论。