When a turnout is connected with CWR through welded joints, the longitudinal rail temperature force ACTS directly on the frog and the switch section along with the variation of rail temperature.
2
同时，将计算得到的平叉结构变形量作为焊接预变形量应用于实际工艺中，生产出了合格产品。
Meanwhile, the calculated deformation of the rear fork structure was applied as the welding pre-deformation to the actual production process, in which qualified products were produced.
3
本文给出了各自的焊接残余应力场和平叉结构的焊接变形的模拟结果，并对其进行了定量分析。
In this paper, each welding residual stress fields and the welding deformation simulation result of the rear fork structure were given and quantitatively analyzed.
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