西康高铁全线完成铺轨

Core Points - The Xikang High-Speed Railway has successfully completed the track laying phase, transitioning to online construction and testing preparation, marking a significant milestone in the project [1][3]. Group 1: Project Overview - The Xikang High-Speed Railway traverses the Qinling Mountains, facing complex geological conditions and high construction difficulty [3]. - The total length of the main line track laid is 341.49 kilometers, with an additional 19.62 kilometers for station tracks, and 78 sets of switches installed [3]. - The project has a high ratio of bridges and tunnels, reaching 94%, which presents challenges in safety and precision during construction [3]. Group 2: Construction Achievements - The completion of track laying follows the successful tunneling and bridge construction phases, indicating decisive progress in the project [3]. - The Xikang High-Speed Railway is part of the national medium- and long-term railway network planning, specifically the "Eight Vertical and Eight Horizontal" high-speed rail corridors [4]. - The new line will significantly reduce travel time from Xi'an to Ankang from approximately 3 hours to under 1 hour, enhancing transportation services in the region [5]. Group 3: Technological Innovations - The construction utilized 32 intelligent cranes, improving the efficiency of steel rail handling and storage by over 40% compared to traditional methods [4]. - The welding of 500-meter long steel rails was managed by the Maoling welding base, which implemented technological upgrades to ensure a 100% quality pass rate for welded rails [3][4].