On the morning of July 29, 2020, after 3 hours of pouring, the continuous beam side span of the main bridge pier of the Mu Nai River Double-track Extra Large Bridge on the China (China) Laos (Pos) Kun (Ming) Vientiane Railway was contracted by the Eighth Bureau of China Railway. , Marking the smooth completion of the main bridge project. So far, 90% of the bridge project between Yuxi and Mohan, the domestic section of China-Laos Railway, has been completed, laying the foundation for the completion of the whole line and opening to traffic next year.

Located in Pu'er City, Yunnan Province, the Mu Nai River Double-Track Bridge has a total length of 1173 meters, a total of 24 piers, and the highest pier is 67 meters. It crosses 213 National Highway twice and Kun (Ming) Mo (Han) Expressway once. The construction is difficult.

"The construction method of segmented box girder assembly is adopted for the bridge 1 to 17 holes. Compared with the traditional cast-in-place support and the whole-hole prefabricated erection method, it has the characteristics of high technical content, fast construction speed, and low prestress loss. It is especially suitable for on-site The construction of the box girder of the long bridge spanning the narrow construction site and crossing the deep ditch river and gorge not only guarantees the construction progress, but also saves the construction cost, and has a beautiful shape." said Yang Jing, manager of the second branch of the Yumo Railway Project Department of China Railway Eighth Bureau. A construction method of the same type of railway bridge in Yunnan

Build a bridge to train a group of people. The average age of the bridge construction management team is only 28 years old. The completion of the main bridge project is inseparable from their hard work and dedication, and it also reserves young strength for the subsequent bridge construction in my country.

The China-Laos-Kunming-Banyan Railway, which is under construction, is more than 1,000 kilometers long. After it is completed and opened to traffic, the travel time from Kunming City in Yunnan Province to Jinghong City in Xishuangbanna Dai Autonomous Prefecture will be greatly shortened, and Vientiane, Laos is expected to arrive in the morning. (For reprinting, please indicate see Tao.com www.seetao.com) Seetao.com editor/Xia Changwang