| 摘要 |
PROBLEM TO BE SOLVED: To permit repair work only from the top of a road or bridge to be repaired. SOLUTION: This repair work comprises a process for demolishing an overhanging floor slab at the outer side of a concrete main body 1, a next process for fixing a form supporting member 3 to the side surface 2 of the concrete main body 1, fixing a supporting member 6 for cantilever support rod to the floor surface 5 of the concrete main body 1, supporting one end side of the form 10 with a form support member 3, supporting the places far from one end side of the form 10 to the other side vat one end side of threaded bolts 18 and supporting the form 10 with the all-threaded bolts 18 in a cantilevered state by connecting the other end side of the bolt 18 to the supporting member 6 for the cantilever supporting rod, thereafter, a process for filling concrete inside the form 10, and hardening the concrete; and thereafter a process in which the supporting member 3 for form, supporting member 6 for cantilever supporting rod and the forms 10 are removed, a portion projecting out from the concrete of the all-threaded bolt 18 is cut. |
