| 摘要 |
PROBLEM TO BE SOLVED: To provide a tunnel carriage improving the efficiency of a concrete placing work and a troweling finishing work for a tunnel floor face. SOLUTION: This tunnel floor face placing carriage as a means for solving the conventional problem is constituted of a scaffold part arranged transversal to the tunnel floor face and support parts formed in the both ends of the scaffold and mounted on the bottom end in the both sidewalls of the tunnel so as to travel freely.
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