Core Viewpoint - The successful completion of the rotation construction of the T-shaped beam for the Hengshi Expressway marks significant progress in the project, which is crucial for the early operation of the highway [1] Group 1: Project Details - The T-shaped beam, weighing 33,000 tons, completed its "air turn" in 88 minutes, successfully crossing the busy Beijing-Guangzhou High-Speed Railway [1] - The rotating bridge spans 174 meters in length and has a width of over 40 meters, with a clearance of only 1.85 meters from the existing railway contact network after rotation [1] - The project is a key control project of the Hengshi Expressway, undertaken by China Railway Construction Corporation's Fifth Institute and China Railway Eighteenth Bureau [1] Group 2: Construction Techniques - The construction team utilized real-time monitoring of rotation speed and spatial position, along with a synchronous automatic continuous traction system, to ensure a smooth and precise 75.7-degree counterclockwise rotation of the beam [1] Group 3: Economic and Regional Impact - The Hengshi Expressway, approximately 90.3 kilometers long, is an important part of Hebei Province's highway network, connecting various counties and enhancing regional transportation capacity [1] - The completion of the project is expected to improve the highway network layout in Hebei Province and promote high-quality economic and social development along the route [1]