The secondary lining is a moulded concrete or reinforced concrete lining applied on the inner side of the initial support during the tunnel constru...
Tunnel trolley is a relatively common product on highways. The installation of tunnel lining trolleys is relatively complicated. First, choose the ...
The tunnel lining jumbo has low cost, high construction efficiency and good effect. It is mainly used in the construction of highways and various t...
During the secondary lining construction of the tunnel, the tunnel lining trolley is an indispensable professional equipment. The tunnel lining jum...
The tunnel lining trolley is a special equipment that must be used in the secondary lining of the tunnel construction process, and is used for the ...
Attention should be paid to the following points when excavating steps: With the implementation of information technology, the impact of tunnel con...