Today, Shudao Group announced that the longest Baiyunshan tunnel on the Chengdu (Du) Zi (Gong) high-speed rail line was completed ahead of schedule as the last meter of the arched rock mass was drilled. It is reported that the Baiyun Mountain Tunnel is located in Zizhong County and Weiyuan County of Neijiang City, with a total length of 13,340 meters. Because the tunnel passes through the coal area and the goaf area of the old kiln for many times, there is a risk of water and mud inrush, and it passes through seven reservoirs, and there is a risk of natural gas and coal seam gas leakage. one of the projects. With the successful completion of the Baiyunshan Tunnel, the completion of the Chengzi high-speed railway is just around the corner. The Chengzi high-speed railway has a design speed of 350 kilometers per hour and a total length of 176 kilometers. It is an important part of the Beijing-Kunming Corridor of the “eight horizontal and eight vertical” high-speed railway network, connecting Tianfu New District, Tianfu International Airport, Southwest (Zigong) Dry Port, and in Several high-speed rail lines are connected. After the high-speed rail line is completed and opened to traffic, it will only take 40 minutes to travel from Chengdu to Zigong, which is of great significance for the establishment of a major railway channel in the Pearl River Delta Economic Zone. .
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The post From Chengdu to Zigong in 40 minutes: The longest tunnel of the Chengdu-Zhigong high-speed railway is successfully completed appeared first on Gamingsym.