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The 19th immersed tunnel element of HZMB had been successfully installed

On July 25, 2015, the 19th immersed tunnel element(E19) had been successfully installed, now the length of Hongkong-Zhuhai-Macau bridge immersed tunnel is 3285m. The builders of CCCC had overcome many negative factors such as high temperature, critical sedimentation, strong convection weather, high variation in water density, the immersed tunnel construction had been progressed effectively.

At 18:30, July 24, E19 tunnel element had been winched out. During the next 24 hours, a technical standard process had completed in the following order: tug boat formation, floating transportation, mooring, immersion, landing, and pulling connection. In the end, the timing of proceeding hydraulic connection had been selected with cautious during slack water period. At 18:00, July 25, the final position survey results showed that the alignment of tunnel axis, height deviation, longitudinal slope fulfilled the design requirements.
 


  • Preview:E20 installation finished,HZMB immersed tunnel has arrived more than 60% (2015-08-29)
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