| 摘要 |
PURPOSE:To provide a technique for preventing the generation of an efflorescence being one kind of a white appearance dirt in all cured cement body such as mortar and concrete. CONSTITUTION:In all cured cement body 4 such as the mortar and the concrete for which materials such as cement 1, an aggregate 2 of sand or sand and ballast and water 3, etc., are compounded, mixed and cured, the precipitation of the efflorescence 6 is prevented by incorporating and mixing a proper amount of zeolite 5, preferably, by wt.%, 10-200% zeolite based on the cement 1 and curing it. |
