Analysing International Tunnel Costs
• Materials/Plant • EndUse • Length • Face Area • Depth • Lining Type ... wastewater, cable, mining and scientific tunnels. Each enduse has its own specifiions and requirements for operation and safety. Every tunnel also has its own length, face area, depth, and lining type and can pass through urban or rural loions. In addition to all of these variables, tunnelling is also ...