湾区核心工程狮子洋通道主桥桥塔突破300米

Core Insights - The successful installation of the T55 segment of the Shiziyang Bridge marks a significant milestone in the construction of the Shiziyang Channel, a key infrastructure project in the Guangdong-Hong Kong-Macao Greater Bay Area, with the main tower expected to reach its peak height of 342 meters by April [1][2] - The project utilizes an innovative steel-concrete composite structure, enhancing load-bearing capacity and durability while reducing the overall weight of the tower [1] - The Shiziyang Channel, spanning approximately 35 kilometers, will feature a dual-layer design with 16 lanes, significantly improving traffic capacity and connectivity within the Greater Bay Area [2][3] Construction Progress - The T55 segment weighs 126.6 tons and measures 13.6 meters in length and 6 meters in height, with precision control of installation within 3 millimeters [1] - The construction team is employing a "factory prefabrication + assembly construction + intelligent control" approach, achieving an average installation speed of one segment every seven days [1] - Continuous work is planned during the holiday seasons to maintain progress, with over 400 workers scheduled for New Year's and more than 100 for the Spring Festival [2] Project Significance - The Shiziyang Channel is set to be the first dual-layer composite highway crossing the Pearl River Estuary, expected to enhance the integration of the regional transportation network and support the development of a world-class city cluster in the Pearl River Delta [3] - Upon completion, the project will reshape the transportation landscape of the "Golden Inner Bay" and serve as a critical engine for the integrated development of the Greater Bay Area [3]