Setting Mode of Comprehensive Maintenance Skylight to Zhengzhou-Xi'an High-Speed Railway

Based on comprehensive analysis of existing research results from home and abroad, in allusion to unique combination of high-speed railway in China basic information, setting mode of comprehensive maintenance skylight of Zheng-Xi high-speed railway was analyzed in this paper. The setting conditions and characteristics of different skylights were comparative, based on which three feasible skylight were selected as the preliminary alternatives. Through the actual investigation study on the transportation organization and comprehensive maintenance of Zheng-Xi high-speed railway, different qualitative and quantitative factors were put forward for an in-depth discussion of the impact on alternative skylights. After that the authors integrated the various factors to carry out fuzzy comprehensive evaluation combined with preliminary skylight alternatives based on the group-AHP method. Finally, the conclusion of opening rectangle skylight at 1:00~5:00 a.m. on Zheng-Xi high-speed railway was drawn.