On May 1, the Chengdu Railway Tunnel in Xining successfully entered the main tunnel construction, and the construction of the section project is steadily advancing.

The Fudi Tunnel is located in Xiahe County, Gansu Province. It has a total length of 1,382 meters and is a single-hole double-line tunnel. The entire tunnel is located in a high-altitude mountainous area with an average altitude of more than 3,000 meters. The temperature difference between day and night is large, the ecological environment is fragile, there is a lot of rain in summer, and the winter is severe and long, and the effective construction cycle is short.

During the construction process, the project team adopted BIM+GIS technology to control the tunnel space information and surrounding environment in real time through three-dimensional views, and further strengthened the safety and quality risk management of hole construction through modeling analysis and risk prediction control.

Xicheng Railway is an integral part of the national "eight vertical and eight horizontal" high-speed rail network Lanzhou and Xining to Guangzhou. After completion, it will further strengthen exchanges between Lanzhou, Xining and Chengdu and Chongqing urban agglomerations, promote the interconnection of the two major economic belts of the Silk Road Economic Belt and the Yangtze River Economic Belt, and facilitate people's travel along the route.

(Reporter Liu Zhan and Mo Yaxuan of the General Station)