【摘要】 基于有限元理论和Miners线性累积损伤理论,以轴重31.5t的漏斗车为研究对象,按照AAR标准对车体进行了疲劳寿命评估,并找出了车体结构的薄弱环节,为进一步改进该重载漏斗车的结构提供了参考。更多还原

【Abstract】 On the basis of the finite element theory and Miners linear cumulative damage theory,with the 31.5 t axleload hopper car as the research object,the fatigue life service estimation is made for the carbody according to AAR standard,and the weak link of the carbody structure is found out,providing reference for further improvement of the structure of the heavy haul hopper car.更多还原