Core Points - The successful completion of the Dongye Tunnel marks a significant milestone in the construction of the Xiongxin High-Speed Railway, which is an important part of China's high-speed rail network [1][2] - The project is expected to enhance Shanxi Province's integration into the Beijing-Tianjin-Hebei collaborative development strategy and promote high-quality regional economic and social development [2] Construction Details - The Dongye Tunnel, with a length of 4,320 meters and a maximum depth of 177.36 meters, is the first tunnel over 4,000 meters to be completed in the Xiongxin High-Speed Railway [1] - The project faced significant challenges due to the geological conditions, including 86% of the surrounding rock being classified as level IV and V, and the presence of multiple fault zones [1][2] - Innovative construction methods such as the "five vehicles and one bridge" technique were employed to optimize processes and improve efficiency [2] Safety and Technology - The project emphasized safety management and utilized advanced technologies like 3D tunnel scanning and various geological detection methods to ensure construction safety [2] - The use of automated production lines for tunnel arch frames and steel grids significantly increased the precision and efficiency of prefabricated components [2] - Real-time monitoring systems were implemented to track surrounding rock deformation and enhance support measures during construction [2]