沪宁合高铁跨京沪高铁立交特大桥转体施工完成

Group 1 - The completion of the rotation construction of the 2×32 meter T-shaped beam for the Shanghai-Nanjing-Hefei high-speed railway marks a significant milestone in the project [1][3] - The bridge spans approximately 17.6 kilometers and crosses multiple major transportation lines, including the Beijing-Shanghai high-speed railway [3] - The design includes a combination of "2×32 meter rotating T-shaped beams and 2×100 meter rotating T-shaped beams," with the latter already in place as of January 16 [3] Group 2 - The 2×32 meter rotating T-shaped beam measures 65.4 meters in length and 12.6 meters in width, with a total weight of approximately 4,800 tons [4] - The construction utilized a dynamic balance weighting method and a precision positioning system to ensure accurate rotation, supported by an intelligent monitoring system for real-time data collection [4] - The Shanghai-Nanjing-Hefei high-speed railway is a crucial part of China's "Eight Vertical and Eight Horizontal" high-speed railway network, enhancing connectivity between major urban areas [4]