“西成铁路”高寒山区扎西隆隧道贯通

Core Points - The successful completion of the Zhashilong Tunnel marks a significant milestone in the construction of the Xining to Chengdu Railway, facilitating further progress and timely operation of the entire line [1][3] - The Xining to Chengdu Railway is a key component of China's national high-speed rail network, connecting multiple provinces and enhancing regional transportation [3][5] Project Details - The Zhashilong Tunnel, part of the XCTJ3 section managed by China Railway 10th Bureau, spans 2,585 meters and is located in a high-altitude area with challenging geological conditions [3][5] - The construction faced multiple challenges, including extreme cold, low oxygen levels, high ground stress, and weak surrounding rock, necessitating innovative support techniques and real-time data monitoring [3][5] Safety and Management - The project team implemented a comprehensive safety management system, including grid-based management and real-time monitoring, to ensure safety throughout the construction process [3][5] - Regular safety training and hazard inspections were conducted to maintain a controlled and safe working environment [3][5] Economic Impact - Once completed, the railway will reduce travel time between Xining and Chengdu to under 5 hours, creating a convenient "half-day economic circle" [5] - The railway is expected to strengthen transportation links between the Lanzhou-Xining urban cluster and the Chengdu-Chongqing urban cluster, promoting economic development along the Silk Road Economic Belt and the Yangtze River Economic Belt [5]