轨腰,轨腹
As the bolt tension increase, the tension of rail web, stress of joint bar and stress of joint bolt would increase accordingly, but the displacement of rail would become smaller.
螺栓扭矩增大,接头区钢轨轨腰拉力、夹板应力、螺杆内应力都会增大,而钢轨位移会随着螺栓扭矩的增大而减小。
Residual stresses in the rail web of high strength rails from several foreign countries were measured by the saw cut method, and the effect of residual stress on rail web cracking was discussed.
通过采用锯切口法测定了几种进口高强度钢轨轨腰残余应力,阐述了残余应力对轨腰水平脆断的影响。
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