FIELD: tunnel construction.
SUBSTANCE: group of inventions is related in particular to a method for erecting the internal structures of a tunnel, to mobile scaffolds, and also to a complex for erecting the internal structures of a tunnel. Portal-type mobile scaffolds for erection of internal structures of the tunnel contain a running gear, made with the possibility of moving along rails and driven by a drive. Mobile scaffolds include a support part connected to the running gear. The mobile scaffold contains a working platform connected to the base part and located in the upper part of the mobile scaffold. The working platform contains at least one retractable platform, providing an increase in the area of the working platform. The retractable platform is made with the possibility of displacement relative to the obstacles located in the tunnel.
EFFECT: ensuring the independence of the construction of the internal structures of the tunnel and the construction of the rigid base of the tunnel from the process of tunnelling.
8 cl, 3 dwg
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