WELD SECTION REPAIR METHOD AND WELD SECTION REPAIR DEVICE

摘要

PROBLEM TO BE SOLVED: To repair a weld section while appropriately setting a range of repair.SOLUTION: The weld section repair method of repairing a weld section 122 disposed in a nuclear power plant includes the steps of: determining a weld boundary location in the weld section 122 using a detection signal of a flaw detection sensor; setting a repair range WC with reference to the weld boundary location ; and repairing the repair range WC.