提出金属磁记忆法可以对钢轨内应力进行定量测量。
Therefore metal magnetic memory testing (MMT) equipments could be used in measuring internal stress of seamless railway.
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。
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.
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