龙烟铁路市域化改造工程首座连续梁浇筑完成，施工迎关键推进节点

Core Points - The successful completion of the 64m continuous beam construction for the Zangjia Grand Bridge marks a significant milestone in the Longyan Railway urbanization renovation project, laying a solid foundation for subsequent beam pouring work [1][3] - The project, undertaken by China Railway Fourth Bureau, emphasizes safety and quality, implementing a comprehensive safety and quality control system throughout the construction process [3] - The Longyan Railway urbanization renovation project spans 34.26 kilometers in Yantai, Shandong Province, involving the construction of 16 bridges, 2 tunnels, and 10 stations, which will enhance public transportation efficiency in the region [3][4] Project Details - The continuous beam is a prestressed concrete structure with a total length of 145.2m, utilizing a support casting method, and the poured beam covers a design volume of 1224m [3] - The project aims to significantly reduce travel time between Yantai Station and the airport station to approximately 25 minutes, improving overall transit conditions in the area [4] - The renovation will facilitate better connectivity for commuters, airport passengers, ferry travelers, and tourists, contributing to the economic and social development of Yantai [4]