【Explanation】 Recently, according to the news released by Guangdong Communications Group, the self-propelled immersed tube transportation and installation integrated ship “Yihang Jinan 1”, the core equipment of the Shenzhen-Central Corridor, officially went to the deep dock area of the Ngau Tau Island Immersed Tube Prefabricated Smart Factory.
On the same day, after about 5 hours of sailing, "Yihangjinan 1" departed from the construction site of the West Artificial Island and successfully arrived in the deep dock area of the immersed pipe prefabricated smart factory located in Niutou Island, Guishan, Zhuhai, Guangdong. It is understood that in the deep dock area, the integrated ship will complete the initial connection of the ship tube, secondary outfitting, installation system commissioning, ship tube separation, pipe joint leveling, floating calibration, integrated ship leveling, ship pipe connection, pipe joint Construction tasks such as ballasting, pipe joint sinking, pipe joint twisting, pipe joint longitudinal slope adjustment, seat bottom calibration, pipe joint lifting, etc.
Next, the integrated ship will be connected to the first section immersed tube E1 for secondary outfitting after it is docked, which plays an important role in ensuring the millimeter-level precision control of the installation of the immersed tube, marking the key period of the project's first section immersed tube docking work. The second outfitting operation is expected to be completed in late May, laying an important foundation for the installation of the first section of immersed tube floating transportation at the end of June.
It is reported that "Yihang Jinan 1" started construction on July 26, 2018. It is the world's first integrated immersion tube floating transportation, positioning, sinking and installation functions. It has DP dynamic positioning and tracking. Functional dedicated boat. The ship was led by the Shenzhen-China Corridor Management Center, proposed by the First Aviation Administration of China Communications, Shanghai Zhenhua Design, and Huangpu Wenchong. It has completely independent intellectual property rights and has obtained national patents and declared international patents.
(Reporter Wei Jiefu from Guangdong)
Responsible editor: [Luo Pan]