Shulou(Shulou.com)11/24 Report--

CTOnews.com, November 26, according to the release of Southwest Railway, the entrance tunnel of Zhongliangshan Tunnel in Sichuan-Chongqing section of Chongqing-Kunming high-speed railway has been successfully completed recently, laying a solid foundation for the early completion and opening of the project.

The Zhongliangshan tunnel in the Sichuan-Chongqing section of Chongqing-Kunming high-speed railway is a full-line control project, with a total length of 4973 meters, and its geology is very complex. It passes through the goaf of Lannigou Coal Mine and Mendongwan Coal Mine, and there are some bad geology, such as karst, water inrush, broken section, fault and so on. At the same time, the tunnel spans the extension of Rail Transit Line 5 to Zhongliangshan Tunnel of Jiangjin Line and the existing Huafu Highway Tunnel. The scale of landslide passing through the tunnel is large, and most of them are artificial abandoned soil, soft soil and other loose soil. The team ensures that the project construction is safe and stable and the quality is up to standard.

CTOnews.com learned that the Chongqing-Kunming high-speed railway, with a total length of about 699km and a design speed of 350km / h, is drawn from Chongqing West Railway Station, the hub of Chongqing, through Chongqing Shapingba District, Jiulongpo District, Dadukou District, High-tech Zone, Jiangjin District, Bishan District, Yongchuan District, Luzhou City, Yibin City, Bijie City, Guizhou Province, Zhaotong City, Qujing City, Yunnan Province, and finally to Kunming South Railway Station. It is an important part of Beijing-Kunming Corridor, one of the "eight vertical and eight horizontal" high-speed railway networks in China.

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