To provide a temporary yard for putting things in a tunnel pit having a simple structure, allowing a worker to drive a vehicle loaded with materials into a tunnel, and capable of temporarily putting the materials carried by the vehicle from a material picking-up position in the pit to prevent them from becoming obstacles.
This temporary yard for putting things in the tunnel pit is constituted by a curved rail 8 installed at the material picking-up position 7 and provided with curvature, a straight rail 9 connected with the curved rail 8, and cranes running on these rails. An end part of the curved rail 8 goes toward the center of the tunnel by leaving such width that allows the crane to pass, and the straight rail 9 is deviated from the center of the tunnel and is brought close to a side to form a temporary section for putting materials in a side part of cross section in the pit of the tunnel 4 along the direction of tunnel.
SHIGENAGA AKIHIRO
INOUE TADANORI
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