At 10:10 am on June 26, 2021, the Xianrenshan Tunnel project of Jiangbei Railway special Line was held, which provided a strong guarantee for the construction of the whole line and laid a solid foundation for achieving the annual production target as scheduled。

　 Xianrenshan tunnel construction task by China Railway 20 Bureau Tongling Jiangbei Railway line project management Department is responsible for，To ensure the smooth construction of the tunnel，Achieve safe tunneling，The construction unit has carefully planned and carefully deployed, and has overcome difficulties such as the resistance of construction road construction and power shortage，Vigorously promote the progress of the project，Make every effort to ensure that personnel, machinery and equipment, raw materials, etc. meet the project construction requirements，At the same time, in accordance with the requirements of the project construction unit Jiangbei Port Railway Company, actively organize forces，The special tunnel construction scheme is prepared according to the rules and norms，A lot of positive and effective preparation work has been done for Xianrenshan Tunnel to successfully enter the cave。

　 Xianren Mountain Tunnel is located in Baodian Village, Luohe Town, Lujiang County and Qingban Village, Baimei Township, Zongyang County. The import mileage is DK19+461, the export mileage is DK20+068, the total length of the tunnel is 607m;The line strike is about 330°, the maximum buried depth in the tunnel is about 115m, and it is a single-line tunnel。The whole tunnel is 220m of Ⅲ level surrounding rock, using the full-section method of construction, 115m of Ⅳ level surrounding rock, using the full-section method of construction, 252m of Ⅴ level surrounding rock, using the three-step seven-part operation method or the arc heading reserved core earth method of construction, 20m of open tunnel, using the open-excavation method of construction。