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Tunnel lining special grouting machine vault with mold grouting construction technology is to open a hole on the top of the lining trolley, and then set the RPC grouting pipe on the vault. After the lining is finished, the grouting integrated machine with mold High pressure injects micro-expansion mortar to treat vault voids, ensure the […]
Lining trolley generally consists of template assembly, bracket assembly, translation mechanism, mast assembly, master-slave travel mechanism, lateral hydraulic cylinders, lateral support jacks, bracket support jacks, and gantry support jacks. 1. Template assembly The template consists of 1~2 top molds and 2~4 side molds to form a cross section. The top mold and the top mold […]
The secondary lining is a moulded concrete or reinforced concrete lining applied on the inner side of the initial support during the tunnel construction, and it forms a composite lining with the initial support. Relatively speaking, the secondary lining and the initial support refer to the inner lining constructed with concrete and other materials under […]
Tunnel trolley is a relatively common product on highways. The installation of tunnel lining trolleys is relatively complicated. First, choose the installation location, and then install the walking wheel frame assembly, various accessories, accessories and systems. And so on, but the installation of steel bars is more important in the entire installation and use process, […]
The tunnel lining jumbo has low cost, high construction efficiency and good effect. It is mainly used in the construction of highways and various tunnels. Tunnel lining trolleys mainly include simple lining trolleys, fully hydraulic automatic walking lining trolleys and net-frame lining trolleys. Full hydraulic lining trolley can be divided into side-top arch type, full […]
During the secondary lining construction of the tunnel, the tunnel lining trolley is an indispensable professional equipment. The tunnel lining jumbo is generally designed as a steel arch type, which is mainly used in the construction of medium and long tunnels to improve construction efficiency. Then, in the actual operation process, what are the operating […]
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 concrete lining construction of the inner wall of the tunnel. Tunnel lining trolleys are widely used in the construction of various highways, railway tunnels and underground caverns due to […]
Attention should be paid to the following points when excavating steps: With the implementation of information technology, the impact of tunnel construction on the surrounding environment has been minimized, and the construction efficiency has been greatly improved. Various integrated pipeline corridors, subway tunnels, and highway tunnels are constructed everywhere. It can be seen that, especially […]
Tunnel construction is a common underground excavation construction method. The quality of tunnel construction generally depends on the quality of the workmanship. That is to say, the quality of excavation, initial support, and waterproof and drainage must be mastered in the process of tunnel construction. Only after the quality of these processes can we guarantee […]
Tunnel lining grouting machine is a special grouting machine for tunnel lining, also known as vault belt mould grouting machine, tunnel grouting machine, mainly used for tunnel lining trolley vault belt mould grouting construction. Mixing, pulping, stocking, grouting, automatic printing flow and pressure, etc. are integrated into one. With the addition of touch screen function, […]
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