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提出了求解道岔转辙器部分轮载的分布规律及结构不平顺的力学模型与计算方法。并对６０ ｋｇ／ｍ 钢轨１２ 号提速道岔的转辙器部分进行了分析，给出了轮载在过渡范围内的变化规律及该处轨道竖向结构不平顺，探讨了轨底坡及滑床台支承刚度对轮载分布及结构不平顺的影响。动测试验验证了本文所提出的计算模型及计算方法的正确性。
The distribution law of the turnout part of the switch and the mechanical model and calculation method of the structural irregularity are put forward. And the part of the switch of 12 # speed-increasing turnout on 60 kg / m rail was analyzed. The variation rule of wheel-load in the transition range and the vertical structure of the track were given out. Impact of Taiwan Support Stiffness on Wheelset Distribution and Structure Irregularity. The dynamic test proves the correctness of the calculation model and calculation method proposed in this paper.