Review of research on high-speed railway aerodynamics in ...
2019-8-29u2002·u2002Establishing an appropriate distance between the two tracks: the most suitable distances between the two tracks of existing railway lines are 4.0 m, 4.2 m and 4.6 m. The distance between the tracks should be no smaller than 4.6 m, and 5.0 m is recommended. (iii) Measures based on enhancing the structural performance of the train body :
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