Patent ID: 8464643

Claim:
A method for reinforcing a railcar bodyshell, comprising the steps of: providing a bodyshell, the bodyshell having a metal frame and a metal plate joined to the metal frame, the metal plate being formed such that a cross section thereof that is orthogonal to a longitudinal direction of a railcar has a wave shape; disposing a fiber sheet on at least a part of the metal plate; and forming a fiber reinforced resin member by bonding the fiber sheet to the at least part of the metal plate by an impregnated adhesive resin, wherein before the step of disposing the fiber sheet, an opening is formed by removing a portion surrounding a crack on the part of the metal plate, and the opening is closed by a closing plate; and in the step of disposing the fiber sheet, the fiber sheet is disposed so as to cover the closing plate and a portion around the closing plate.