The arjinshan tunnel of geku railway is officially opened

Xinhua news agency, Urumqi, November 19 (reporter hang Rui, song Yanhua) at 11:30 on November 19, with a blast, the control project of geku Railway (Golmud, Qinghai - Korla, Xinjiang) and the erjinshan extra long tunnel, which took about three and a half years to build, were officially opened Gao Zhanfei, deputy chief civil engineer of the third division of project management department of section S6 of geku railway of

China Railway Tunnel Bureau Group Co., Ltd., said that the arjinshan tunnel is a controlling, key and difficult project of geku railway, and its formal connection laid a solid foundation for the opening of the whole line of geku railway The 13.195 km long arjinshan tunnel of

is the first long tunnel of geku railway, which belongs to class I high-risk tunnel. Altun mountain tunnel project is located in the plateau cold desert unmanned area, with an average altitude of 3500 meters, an annual average temperature of 2.5 degrees Celsius, and an extreme temperature of - 37 degrees Celsius According to the introduction of

Gao Zhanfei, the construction time of the whole arjinshan tunnel is about 3 and a half years. The technicians have overcome the complex geological conditions crossing 11 fault zones, the cold and heat preservation problems of the tunnel under the plateau and high cold environment. The constructors have overcome the severe construction conditions such as lack of oxygen, water, low temperature and strong sandstorm, and made great contributions to the formal connection of the arjinshan tunnel.

geku railway is the Third Railway in Xinjiang after Lanzhou Xinjiang Railway and Harbin Erdong railway. After its completion and operation, it will further enhance the capacity of the eastern connection of Xinjiang Railway. Geku railway is expected to be opened to traffic by the end of September 2020.