Repairing method for wall member with flow passages

摘要

It is an object to provide a repairing method for a wall member with flow passages capable of reducing the time and the cost required for a partial repairing work on the wall member with flow passages. The repairing method for the wall member with flow passages includes a removal stage of removing a portion of the wall member with flow passages (1) provided with plural flow passages (4) between the base member (2) and the plate member (3), the base member welding stage of welding the repairing base member (6) to the portion removed in the removal stage, a flow passage forming stage of providing plural overlay welds on the repairing base member (6) and forming the flow passages (4) between the overlay welded beads (8), and a plate member welding stage of welding a repairing plate member (9) onto surfaces of the plural overlay welded beads (8).

主权项

1. A repairing method for a wall member with flow passages comprising:
a removal stage of removing a portion of the wall member provided with a plurality of flow passages between a base member and a plate member; a base member welding stage of girth welding a repairing base member to an existing base member which is the base member except for the portion removed in the removal stage; a flow passage forming stage of providing a plurality of overlay welds on the repairing base member to form a plurality of beads, and forming flow passages between the adjacent beads; and a plate member welding stage of welding a repairing plate member onto surfaces of the plurality of the overlay welds.