noun
spray curing; water curing of concrete
Technical term in civil engineering and construction. Refers to the process of keeping newly-poured concrete moist by spraying water to ensure proper hardening and strength development.
コンクリート打設後は散水養生を十分に行ってください。
After pouring concrete, please carry out spray curing thoroughly.
散水養生はコンクリートのひび割れ防止に効果的です。
Spray curing is effective in preventing cracks in concrete.
Compound of 散水 (sansui, 'sprinkling water') and 養生 (yōjō, 'curing' in the concrete context). The term is a direct technical coinage for the construction process.