SPRAYING ADMIXTURE FOR REDUCING SLUMP, SPRAYING CEMENT CONCRETE AND SPRAYING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a spraying admixture for reducing slump which is capable of remarkably reducing the slump of cement concrete at the time of spraying, preventing the sagging and adjusting the hardness proper to perform trowel finish. SOLUTION: The spraying admixture for reducing slump contains a clay mineral and aluminum sulfate and further contains a water absorbing high molecular compound, an alkali metal carbonate and lime.