China News Service, Lincang, September 10 (Wang Yixiang, Li Liguo, Hao Yafan) The Xingzishan Tunnel, a key control project of the China-Myanmar International Corridor, which was constructed by the 12th Bureau of China Railway, was completed on the 10th.
At this point, all 35 tunnels of the Dalin Railway have been completed, and the entire line is expected to be completed within this year.
The Xingzishan Tunnel is located in Nanjian County, Dali Prefecture, Yunnan Province, with a total length of 8.9 kilometers. It traverses 5 large faults and 1 anticline in the Hengduan Mountains. Mainly rock, schist, mudstone, and accompanied by high ground temperature, rich water and other unfavorable geology, it is a class I high-risk tunnel on the whole line, and is called a "world-class geological museum" by domestic experts.
"The completion of the Xingzishan Tunnel marks the end of the project in front of the Dalin Railway Station, laying a solid foundation for the completion of the entire line on schedule." said Ma Jianhua, deputy commander of the Dianxi Railway Construction Headquarters of China Railway Kunming Bureau Group. "Currently, the entire line of earthwork works It has all been completed, and more than 98% of the bridges and tunnels have been completed. The construction of track laying, building construction, and four power projects is advancing fully."
The Dalin Railway has a total length of 202 kilometers and a design speed of 160 kilometers per hour. It is a national first-class electrified railway in China, with bridges and tunnels accounting for 87% of the total line length.
The Dalian-Linzhou Railway is a component of the China-Myanmar international corridor. It is an important corridor for improving the layout of the railway network in southwest China, serving the construction of the "Belt and Road", and promoting the development and opening of border and ethnic minority areas.
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