Chengdu hub is a key node and backbone hub in China's railway network.In studying the scheme for a railway into this hub,this paper systematically assessed the optional introduction stations and track alignments through multi-factor distribution study,taking into account the hub's layout of passenger transportation and freight and general layout planning,the city's development planning and passenger flow characteristics,the interference of introducing the new line on existing lines among other factors.After comprehensive comparison,it is recommended to introduce Tianfu Station.In this scheme,the line enables through-connections with the east-west mainline railways,offers flexible EMU routing options,has less impact on the hub,and aligns with the city's planning and development objectives.Based on Tianfu Station,this study further examined the track alignment options,and recommended the route via Shou'an,which will save project investment,meets the transportation needs of industrial parks,and has favorable conditions for setting supporting base.The findings can provide reference for similar projects.
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