雄忻高铁全线隧道实现全部贯通

Group 1 - The Xiongxin High-Speed Railway has successfully completed the last tunnel, Changqing Tunnel, on February 10, 2026, marking the full completion of all tunnels along the line, which lays a foundation for the orderly advancement of subsequent engineering work [3][5]. - Changqing Tunnel, located in Wutai County, Xinzhou City, Shanxi Province, has a total length of 10,772 meters and a maximum burial depth of 690 meters, facing complex geological conditions and significant construction challenges [5]. - The construction team utilized advanced technologies such as water pressure blasting, digital electronic detonators, and 3D cross-section scanning, while also innovating tunnel safety early warning systems and intelligent drainage and scheduling systems to support construction under complex geological conditions [5]. Group 2 - The Xiongxin High-Speed Railway stretches approximately 342 kilometers from Xiong'an New Area in Hebei to Xinzhou in Shanxi, and is a crucial part of China's "Eight Vertical and Eight Horizontal" high-speed railway network, specifically the Beijing-Kunming corridor [9]. - This railway is the first high-speed railway in Shanxi Province designed for a speed of 350 kilometers per hour, which will enhance the national high-speed railway network layout and significantly promote economic and social development along the route [9].