The first tunnel of the Yu Sui Fu Line high -speed speed

On September 19, the right line of the Yu Sui Fu Line high -speed Yunwu Mountain Tunnel was smoothly connected. As the first tunnel to achieve a single hole throughout the board, it marks that the construction of the Yu Sui Fu Line high -speed project has made breakthrough progress.

It is reported that the Yu Sui Fu Line is invested by the China Railway Construction Chongqing Investment Group and the 17th Bureau of China Railway. Yifeng, Tongliang Lanfeng, and Pu Lu, stopped in the new shop in Dongcheng Street, Tongliang District, and connected to the Tongliang to Hechuan section in Chongqing's third ring high -speed high -speed high -speed Tongliang to Hechuan section.

Yu Sui Fu Line High -speed Yunwu Mountain No. 2 tunnel is 571 meters in length and the maximum buried depth is about 101 meters. The geological conditions of the tunnel are complicated. IV and V -level surrounding rocks account for 93.9%. There are 170,000 cubic meters above the tunnel inlet end. In addition, the tunnel has a large intercourse and shallow cavity burial. The construction progress is slow and has high construction safety risks. At the same time, Yunwu Mountain No. 2 Tunnel is the transport beam channel of the Xiao'an Creek Bridge. After the tunnel runs through, the Xiao'an Creek Bridge will have the conditions for large and small mileage to set up, laying a solid foundation for the penetration of the key project of the project. Essence

It is understood that the Yusui Fukuka high -speed North to Tongliang section is used in the standard construction of two -way six -lane highway, with a design speed of 120km/h. The project is expected to be opened to traffic in 2024. After opening to traffic, a number of highways such as Chongqing Ring Expressway and the Third Ring highway will be connected in series to form a new channel in the Chongqing central urban area, which is conducive to promoting the infrastructure of the Shuangcheng economic circle in Chengdu. Interconnection and rapid economic development.

Sichuan Observation (Source: CCTV News Client)

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