地じ盤ばん改かい良りょうMeaningsNoun1. ground reinforcement; soil stabilization; foundation improvementKanji used地ground盤plate改reform良goodComposed of地じ盤ばんground; crust (earth); bed (gravel, river, etc.); foundation (building, etc.); base; constituency; power base; support (electoral); footing; footholdNoun改かい良りょうimprovement; reformNoun