If the pretightening force was increased, girth welds to fix bolts were often ruptured.In this paper, finite element analysis is applied to finding the root causation of this problem....

• 为了寻求引起主小车轨道压板螺栓焊缝开裂的原因,本文采用有限元分析技术进行辅助分析,得出螺栓焊缝开裂的原因。