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HZMB project immersed tunnel length exceeded 4000 meters

On 19th November 2015, HZMB project immersed tunnel element 23 had been successfully installed, the axial line, elevation, longitudinal slope of the element met the design requirements. Now the total construction length of immersed tunnel is 4005 meters.

After the successfully installation of E22 on 5th November, E23 was installed just in 13 days. It’s the first time all over the world that the immersed tunnel element was continuous installed in such a short time.

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