REPAIRING METHOD OF CAST STEEL MEMBER

摘要

PROBLEM TO BE SOLVED: To securely repair a crack generated on a cast steel member at a job site.SOLUTION: A method of repairing a cast steel member 10 by cutting a part including a crack 12 generated on a surface 11 of the cast steel member 10 and forming a groove part 17, and burying a repair member 30 in the formed groove part 17 includes: an expansion part forming process of arranging an expansion part 20 expanded laterally on at least a bottom part 21 of the groove part 17; and a repair member filling process of filling the groove part 17 having the expansion part with the repair member 30.SELECTED DRAWING: Figure 3