| 摘要 |
PROBLEM TO BE SOLVED: To provide an arch member for a tunnel capable of reducing cost by easily carrying and installing the arch member for the tunnel. SOLUTION: This precast concrete arch member for the tunnel curved and molded in an arch shape is horizontally installed on a pair of left-right precast concrete L-shaped members 2 extending in the tunnel height direction from a tunnel bottom side part. A burying body is buried. The burying body is hollow, and is constituted of a plurality of pipes continuously arranged in the axial direction or by coaxially connecting the plurality of pipes. The burying body is constituted of a steel pipe bent and molded in an arch shape. COPYRIGHT: (C)2007,JPO&INPIT
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