“煤运通道”大秦铁路春季集中修施工收官

Core Points - The Daqin Railway, known as "China's first heavy-load railway," successfully completed its spring maintenance ahead of schedule, enhancing its capacity for energy transportation during the upcoming peak summer season [1][4]. Group 1: Maintenance Overview - The maintenance period lasted from April 1 to April 27, with trains halted daily from 9 AM to 12 PM for comprehensive inspections and repairs [3][4]. - Key maintenance activities included the replacement of 275.7 kilometers of track, cleaning of 178.4 kilometers of track, and the replacement of 11,000 sleepers [3][4]. Group 2: Infrastructure Improvements - The maintenance also involved the upgrade of the switch at the terminal station, improving the stability and safety of heavy-load train operations [4]. - A significant bridge replacement project was completed, enhancing the shear, crack resistance, and load-bearing capacity of the bridge, ensuring smooth coal transport [4]. Group 3: Operational Efficiency - The maintenance project saw the highest recorded investment in manpower and machinery, with nearly 20,000 workers and 234 multifunctional maintenance machines deployed [4]. - The average daily transport volume during the maintenance period reached 1.001 million tons, demonstrating a successful balance between maintenance and operational efficiency [4].