探访全球首例高难度围堰工程

Core Points - The construction of the first underwater tunnel in Abu Dhabi is underway, connecting Saadiyat Island and Umm Al-Emarat Island, with completion expected by the end of next year [1][6] - The project utilizes a single-row steel pipe pile cofferdam, which is a world-first engineering approach, overcoming significant technical challenges [3][6] - The successful application of this construction method showcases China's advanced engineering capabilities and is being studied as a case of technological innovation [3][6] Project Details - The underwater tunnel will enhance the transportation network and regional economic development by ensuring a permanent navigable channel for two-way traffic [6] - The construction involves a temporary cofferdam to facilitate excavation, with the current cofferdam measuring 500 meters in length and 200 meters in width [3][6] - The project team has previously applied similar technology in the Shenzhen-Zhongshan Link, demonstrating its effectiveness in complex engineering projects [3][6] Engineering Challenges - The use of single-row steel pipe piles presents challenges in withstanding significant water pressure and preventing water leakage [3] - The project has received recognition from international design teams for its innovative approach and successful execution [6] - Continuous monitoring and precise control of construction parameters are critical to achieving the project's design goals [3][6]