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我国正在建设的合宁铁路即将同时开行250km/h动车组和120km/h货物列车,曲线超高设置应保证客货列车运行安全和旅客舒适度,同时考虑减少养护维修工作量。对合宁铁路曲线外轨超高设置进行了计算分析,提出了曲线外轨超高设计建议值。
The construction of China’s Heining railway is about to start the 250km / h EMU and 120km / h cargo trains at the same time. The ultra-high profile setting should ensure the safety of passenger and freight trains and passenger comfort while reducing the workload of maintenance and repair. The calculation and analysis of the ultra-high profile of the outer rail of the He-Ning railway are given, and the recommended values for the design of the outer rail of the curve are proposed.