Core Points - The main bridge of the Wujingyi Expressway project, constructed by China Energy Construction Gezhouba Group, has successfully completed the continuous beam pouring and the left span has been successfully closed [1][3] Group 1: Project Overview - The Wujingyi Expressway project connects the junction of Jingmen and Tianmen, linking the Tianmen section of the Wuhan-Chongqing Expressway, and stretches 44.139 kilometers [3] - The section undertaken by the company is 13.444 kilometers long, designed as a dual six-lane expressway with a speed limit of 120 kilometers per hour [3] - The project includes six bridges, with the major bridge being a 1258-meter long prestressed concrete continuous beam bridge, which is the largest span in the project [3] Group 2: Construction Techniques - The project team effectively addressed challenges such as high-altitude operations, rainfall, and structural stress through innovative methods like dynamic water bag balancing and intelligent tensioning systems [5][6] - To mitigate temperature-induced expansion and contraction, a rigid connection was temporarily established at both ends of the beam before concrete pouring [6] - High-strength micro-expansion concrete and automated monitoring equipment were utilized to prevent cracking and ensure real-time monitoring of beam height and stress changes [6] Group 3: Strategic Importance - The Wujingyi Expressway is a crucial part of the national expressway network and plays a key role in Hubei Province's "nine vertical and five horizontal three rings" expressway layout [8] - The expressway is expected to be fully operational by June 2026, which will alleviate traffic pressure on the Shanghai-Chongqing and Shanghai-Chongqing expressways and enhance economic connectivity between central and western Hubei [8] - The project is significant for promoting interconnectivity between the urban agglomerations of the middle Yangtze River and Chengdu-Chongqing, contributing to the ecological economic belt of the Han River and the high-quality development of the Yangtze River Economic Belt [8]