Core Points - The completion of the main span of the New Layer Bridge, part of the Changshen Expressway expansion project, marks a significant milestone for the project, laying a solid foundation for future operations [1][3] - The New Layer Bridge, a key control project, spans 190 meters and is designed as a prestressed concrete variable cross-section box girder structure, ensuring safety and efficiency during construction [1][3] Project Details - The bridge crosses the Jingjiu Railway at a 30-degree angle, with a clearance of over 11.96 meters from the bridge bottom to the track surface, meeting railway safety standards [1][3] - The Changshen Expressway expansion project, approximately 116.6 kilometers long, is a key project in Guangdong's 14th Five-Year Plan, enhancing connectivity between the Guangdong-Hong Kong-Macao Greater Bay Area and central regions like Jiangxi [3] - The project is currently in the final stages of construction, focusing on bridge deck, pavement, and ancillary works, aiming for full operation soon [3]
长深高速扩建工程上跨京九铁路连续梁顺利合龙