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Qingdao Jiaozhou Bay Highway Tunnel
Source：CREC
Date：2018年11月28日
Anthem of CREC—“Trailbreaker”
The length of the tunnel is 7,800 meters, of which the sea section is 4,095 meters, ranking first in China’s submarine tunnels and third in the world. It was completed at the end of December 2010 and opened to traffic in June 2011.
Qingdao Jiaozhou Bay Highway Tunnel
Its “Study on Key Technology of Drilling and Explosion Construction of Submarine Tunnel” won the second prize of Science and Technology Progress Award of Sichuan Province in 2010 and 2011. The project has obtained a national invention patent, and the patent name is “Combined Grouting Construction Method for Broken Rock and Non-stopping Slurry Wall”.
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