| 摘要 |
PROBLEM TO BE SOLVED: To provide a laying apparatus for precast concrete floor boards in a simple, safe, easily workable, and economical bridge construction work in a composite structure type bridge construction. SOLUTION: The invention is a laying apparatus for a precast concrete floor board and has as the feature a rectangular precast concrete floor board, a revolving member lifting up the precast concrete floor board and revolving by about 90 degrees so that the longitudinal direction becomes the bridge-axial direction, a moving member moving until the laying position of floor boards to the forward part in the bridge-axial direction, and a putting down member for putting down the floor boards to a prescribed floor board laying position in the state that the longitudinal direction is substantially orthogonal to the bridge-axial direction by revolving by about 90 degrees after moving. COPYRIGHT: (C)2006,JPO&NCIPI
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