E20 installation finished,HZMB immersed tunnel has arrived more than 60%
After many days fighting, CCCC tunnel builders overcame variety of unexpected difficulties, completed the gravel bed placing for E20, provided a guarantee of immersed tunnel E20 installation.
On 26 th August 2015 6:22pm, hydraulic connection between of E19 and E20 has been completed. The axial line, elevation, slope of the element 20 are all satisfied with design requirements. At this point, the total construction length of immersed tunnel is 3465 meters, and it has over 60 percent of the total length of HZMB project immersed tunnel (HZMB project immersed tunnel is 5.6 kilometers long).