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RAIL AND WIDE TRUCK FOR TUNNEL DRIVING WORK
RAIL AND WIDE TRUCK FOR TUNNEL DRIVING WORK
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机译：隧道掘进工程用铁路和宽卡车
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摘要
PROBLEM TO BE SOLVED: To provide a rail used for the conventional tunnel driving work using the shield driving method, TBM method, etc., and can guide the running of a truck even when the truck is a succeeding truck pulled by a machine, a transporting truck which carries materials, etc., to or from the cutting face of a tunnel, or a truck which transports materials for secondary lining and the tunnel has a small diameter, and to provide a wide truck having a sufficient loading surface even on narrow-gauge rails.;SOLUTION: The rail is used to form a rail track that is commonly usable by a plurality of types of wide trucks 6 used for tunnel driving work by directly attaching two rail members R provided with spacer members 3 on their bottoms to the tops of longitudinal ribs L1 and L2 having their bottom sections at or near their centers with the running surfaces Sf of the members are maintained in horizontal states in a segment S for primary lining set up in an excavated tunnel.;COPYRIGHT: (C)2002,JPO
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