Experimental identification of the structure safety in the section of Silurian slate with sandwiched phyllite in Wushaoling Tunnel;

Investigation and implementation of construction ventilation for an inclined shaft of Wushaoling tunnel;

Research on Parameters of Initial Support for Phyllite Stratum at Wushaoling Tunnel;

Construction scheme for Wuxiaoling Tunnel (1);

Taking the construction of the left line (DK169+570～DK172+083) of Wuxiaoling Tunnel as the example, this paper introduces the application of TSP203, the latest tunnel geological advanced prediction system.

Wuxiaoling tunnel during double tracking of lanzhou Wuwei section in Lanzhou Xinjiang Railway with a total length of 20.

Key Measures for Mountain-crossing of Wuqiaoling Tunnel;

Problem of soft rock in NO.7 slanting shaft of Wuqiaoling tunnel and support technology;

Wuqiaoling tunnel,the longest single-track railway tunnel in China,is the key project of Lanzhou— Urumchi Railway.

Wushaoling long and deep-buried tunnel passes through the east foot of Qilian Mountain,with the length of 20 050 m and the maximum burial depth of 1 050 m.

Based on the author s personal experiences, a detailed description of hydrogeological work on Qinling extra long tunnel from its sub initial survey stage to the construction stage has been presented here.

The paper expounds the measures for lowering the temperature in tunnel during the construction of the Qinling extra long tunnel.