What is the NATM (New Austrian Tunneling Method)?The new Austrian tunneling method process
What is the NATM (New Austrian Tunneling Met
Tunnel lining form,A formwork used for pouring concrete on the tunnel walls
In the intricate and challenging world of tu
What is the difference between hydraulic wet spraying machine and rotor wet spraying machine?
Concrete wet spraying machine plays an indis
Drill Jumbo:For drilling in hard rocks
Drill Jumbo is a specialized piece of equipm
Steel support erector,For erecting steel support to reinforce the excavated tunnel
A steel support erector is a specialized pie
Shotcreting machine,For spraying concrete on the tunnel walls
In the realm of modern construction, the sho