Core Points - The successful rotation of the T-shaped structure of the Guangzhongjiang Bridge marks the completion of the first rotating bridge construction for the Shenzhen-Jiangmen Railway [1][3] - The Shenzhen-Jiangmen Railway, approximately 116 kilometers long, connects Shenzhen and Jiangmen, with design speeds of 200 km/h and 250 km/h for different segments [3][6] - The construction of the bridge involved significant engineering challenges, including the need to rotate a 11,216-ton structure over an existing freight railway [3][4] Construction Details - The Guangzhongjiang Bridge spans 13.41 kilometers and features a T-shaped structure that was rotated 30.2 degrees to align with the existing railway [3][4] - The project utilized advanced technology, including 5G and a dynamic intelligent monitoring platform based on BIM and digital twin technology, to ensure precision during the rotation process [4] - The rotation process was conducted under challenging conditions, with the main support structure only 9.78 meters from the center of the freight line, which carries an average of 30 freight trains and 51,000 tons of cargo daily [3][4] Strategic Importance - The Shenzhen-Jiangmen Railway is a crucial part of the Guangdong-Hong Kong-Macao Greater Bay Area's rail network, enhancing connectivity between key economic zones [6] - Once completed, the railway will facilitate high-speed connections between major trade areas, contributing to regional economic development and integration [6]