In the process of constructing the secondary lining of the tunnel, the tunnel lining trolley is a kind of special tunnel lining equipment that must...
Broadly speaking, the artificial support structure can be collectively referred to as lining, which can be divided into primary support and seconda...
Tunnel engineering has heavy construction tasks, large engineering volume, tight construction period, high investment, and strong seasonality. For ...
Tunnel construction is a difficult point in road and bridge construction. It has a complicated construction process and is different from other pro...
As we all know, the construction of tunnels is relatively complicated and involves many difficult technologies, which brings great difficulties to ...
In recent years, due to the acceleration of the internationalization process, the transportation industry has developed rapidly. Road construction ...