西延高铁全线铺轨启动

Core Points - The construction of the Xi'an-Yan'an High-Speed Railway has officially commenced with the laying of the first 500-meter long steel rail, marking the start of track-laying operations [1] - The project is being constructed by the Xi'an Company of the Xicheng High-Speed Railway and is in the final phase, with significant progress made in various engineering aspects [1] - Advanced technology is being utilized for real-time monitoring and management of key equipment during the construction process [1] Group 1 - The Xi'an-Yan'an High-Speed Railway has completed 100% of its 47 tunnels and 98% of its subgrade engineering [1] - The project has achieved 82% completion of the ballastless track and 96% completion of bridge engineering [1] - The construction team aims to set a new benchmark for high-quality engineering in the project [1] Group 2 - The track-laying operations are being conducted using the WZ500 track-laying machine and the BLCP500 dual-line long rail laying machine, allowing for efficient simultaneous work in both directions [2] - The daily track-laying mileage can reach up to 9.5 kilometers, ensuring timely completion of the track-laying tasks [2] Group 3 - The welding and transportation of seamless steel rails for the project are managed by the Xi'an Bureau Group's Maoling Welding Base, which has completed 90% of the total welding task [4] - The welding process has been improved with the introduction of new technology to ensure high-quality rail supply [4]