FIELD: mainly, underground construction, particularly, shield tunneling, chiefly, construction of narrow-bore tunnels. SUBSTANCE: transportation equipment includes cars with wheels installed at an angle in planes running through tunnel axis, rail track with ties and telescopic device for adding the rail track in the course of tunneling. Rails are laid directly on tunnel lining for longitudinal advance. Ties interconnecting both rails are curved and installed with gap between tie and lining. Telescopic device is installed in front of tunnel entrance. Rail track is connected with tunneling shield by means of trailing appliance. The invention provides for increased free space with use of rail track, elimination of obstacles in personnel walking over tunnel, freeing of space near shield for performance of operations which may be fulfilled in pit. EFFECT: higher efficiency. 2 dwg
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