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Yingbin Tunnel, Contract Section 2 of Sanya Ring Expressway, Hainan Province
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The second bid section of Sanya Ring Expressway has a total length of 2.618 kilometers, of which the Yingbin Tunnel has a one-way double tunnel with a total length of 2395 meters, of which the left tunnel is 1170 meters long and the right tunnel is 1225 meters long. The total contract price is more than 141 million yuan. The tunnel is the longest tunnel on the whole line, the most complicated and variable geological conditions, and the most difficult to construct. The company dispatched a construction technology management team with rich tunnel construction experience to overcome various difficulties and successfully complete the construction tasks.
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