湖北三峡疏港铁路建设取得关键进展

Core Points - The successful completion of the Yangmuling Tunnel marks a significant milestone in the construction of the Three Gorges Port Railway, with all tunnels now fully connected [1][3][5] - The Three Gorges Port Railway is a key transportation project in Hubei Province, spanning 39.59 kilometers and featuring 13 tunnels and 29 bridges, with a bridge-tunnel ratio of 89% [3][5] - The Yangmuling Tunnel, measuring 3,648.3 meters in length and with a maximum depth of approximately 429 meters, traverses challenging geological conditions, including three fault zones and five karst development areas [3][5] Construction Techniques and Safety Measures - The project team employed advanced monitoring technologies, including laser distance sensors, crack gauges, automatic measurement robots, and vibration meters, to ensure safety during construction [5] - Comprehensive geological exploration techniques, such as TSP advanced geological forecasting and geological radar detection, were utilized to accurately identify adverse geological conditions [3][5] - The construction process involved the use of C20 concrete filling combined with curtain grouting to reinforce areas affected by karst geology and fault zones [3][5] Economic and Transportation Impact - Upon completion, the Three Gorges Port Railway will serve as the first domestic freight railway with transshipment capabilities, enhancing the regional transportation network [5] - The railway will connect with existing railways, facilitating seamless water-rail transport and significantly reducing logistics costs, thereby promoting local economic development [5]