向全线贯通迈进 渝昆高铁又有新进展

Group 1 - The Yukun High-speed Railway's Binghui Tunnel, measuring 21.17 kilometers, has successfully been completed, marking the first tunnel over 20 kilometers in the entire Yukun High-speed Railway project [1] - The Binghui Tunnel is located in Yiliang County, Zhaotong City, Yunnan Province, and is classified as a high-risk tunnel, making it a key control project for the Yukun High-speed Railway [1] - The Songming Beam Yard, the largest beam yard for the Yukun High-speed Railway, has successfully completed its beam production tasks, laying a solid foundation for subsequent track-laying operations [1] Group 2 - The Songming Beam Yard is equipped with ten beam production platforms and 53 double-layer storage platforms, with a maximum storage capacity of 116 beams, primarily responsible for the prefabrication of 420 box beams [1] - The project team from China Railway Fourth Bureau has implemented a smart beam yard information management system, enhancing production efficiency through mechanization, automation, and intelligent processes [2] - The Yukun High-speed Railway is a crucial part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, which will significantly reduce travel time between Chongqing and Kunming, enhancing transportation convenience in the southwest region and promoting regional economic collaboration [2]