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Guizhou Daoan Expressway
The Dao'an Expressway is the third vertical line of the “678” network of the Guizhou highway plan. The project starts at the Fushou field at the junction of Daozhen County, Guizhou Province and Nanchuan District, Chongqing City, and passes by Daozhen, Zheng'an, Meitan, Yuqing Lujiazhai in An County is connected to Guixin Expressway.
Category:
Tunnel
Consult
DESCRIPTION
The Dao'an Expressway is the third vertical line of the “678” network of the Guizhou highway plan. The project starts at the Fushou field at the junction of Daozhen County, Guizhou Province and Nanchuan District, Chongqing City, and passes by Daozhen, Zheng'an, Meitan, Yuqing Lujiazhai in An County is connected to Guixin Expressway.
It is understood that the total length of the project route is 248.118 kilometers, of which the Daozhen branch line is 6.081 kilometers. A total of 162 bridges, 53641 meters in length, 53 tunnels, 47164 meters in length, are set up across the line; 14 locations are interconnected, and the interconnecting lines are about 25.4 kilometers long.
Design overview, there are 53 tunnels on the Dao'an Expressway, and the mining method is adopted. The advanced bolts of the tunnel are made of FRP anchors instead of traditional steel anchors.
Project Application Type:
Support Engineering-Application of Tunnel Mining Method
characteristic:
Easy to cut and corrosion resistant
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