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运用有限单元法建模,分析扣件刚度对菱形交分道岔心轨和尖轨强度的影响以及沟槽开设方式对板下胶垫应力的影响,同时研究准静态轮载作用下轨道变形的合理性。结果表明,尖轨和心轨的强度及板下胶垫的强度均能够满足使用要求;菱形交分轨道刚度的均匀性能满足列车运行速度在120km/h及以下的使用要求。
The finite element method is used to analyze the influence of fastener stiffness on the strength of the center rail and the sharp rail of the diamond-shaped turnout switch and the influence of the groove opening mode on the stress of the rubber under the board. At the same time, the reasonable deformation of the rail under quasi-static wheel load is studied Sex. The results show that the strength of the sharp rail and the center rail and the strength of the rubber under the board can meet the requirements of use. The uniform performance of the diamond cross-track orbit stiffness meets the requirements of the train running speed of 120km / h and below.