【摘要】 介绍了改性氨基磺酸盐高效减水剂ASH-JD的合成过程及合成产物的特点,通过水泥净浆和混凝土试验研究 了ASH-JD的特性。结果表明,ASH-JD在降低成本17％的同时,具有良好的减水增强效果。在低掺量时即具有较 大的减水率;掺量较高时,不仅具有较高的减水率,且自身具有延缓新拌混凝土坍落度损失的功能。更多还原

【Abstract】 Synthesis of modified aminosulfonate superplasticizer ASH-JD is described and characteristics of ASH-JD were studied by means of cement paste and concrete tests. Testing results showed good water-reduction and strength increase while its cost was decreased by 17%.The superplasticizer displayed high water reduction at low dosage and when dosage increased, it not only reduced water even more, but also controlled slump loss of fresh concrete.更多还原