本文提出了一种新的钢轨疲劳寿命的可靠度估算方法，使可靠性分析第一次进入钢轨的寿命估算。

This paper proposes a new estimating method which, for the first time. introduces reliability analysis into the life estimation of railway rails.

youdao

计算发现，夹杂物周围的最大剪切应力是不含夹杂物时的1.2～1.7倍，这对钢轨疲劳寿命造成有害影响。

The calculation indicates that the maximum shear stress around inclusion is 1.2-1.7 times of that without inclusion, which has a harmful effect on the fatigue endurance of rail.

youdao

本文收集和总括了钢轨钢的疲劳试验数据。

In this paper the fatigue test data of rail steels are collected and summarized.

youdao