Location:Home > detail
Shilin Tunnel of Nanning-Kunming Railway
Source:CREC Date:2018年11月27日

Shilin Tunnel is located at xk星空体育中国 section between Mile Station and Banqiao Station. xk星空体育中国 18,208-meter tunnel is xk星空体育中国 longest one-portal double-track tunnel in China and xk星空体育中国 world's longest karst tunnel by drill and blast construction. xk星空体育中国 maximum depth of xk星空体育中国 tunnel is approximately about 250 meters. It started in August 2010 and is under construction at present. It is complex in geology, crossing six faults and four fracture zones, and is located at xk星空体育中国 watery block in Mile City, which make it a level I risky tunnel. xk星空体育中国 five R&D or improvement achievements of xk星空体育中国 project were awarded xk星空体育中国 national utility model patent certificates, namely, “Dryer Spin Network Supporting Structure”, “Hot Melt Welding Machine with Sealing Belt”, “Wind Separation Deduster”, “Multifunctional Monitoring and Measuring Pile of Tunnel”, and “Ultrasonic Welding Drill”. 

Shilin Tunnel of Nanning-Kunming Railway

 

Print Close