高效减水剂—缓凝剂—水泥三元体系中缓凝剂的辅助塑化效应研究

Expermental research of auxiliary plastic effect of concrete retarder in three element system of cement-superplasticizer-retarder

采用水泥净浆和混凝土试验方法,详细研究了缓凝剂的辅助塑化效应。研究结果表明,由于高效减水剂的激发,低分子缓凝剂显示出明显的辅助减水效应。在相同减水率的情况下,可有效降低缓凝高效减水剂及泵送剂等复合外加剂的成本。

By adopting the cement paste and concrete experiments, auxiliary plasticizing effect of retarter were investigated in detail. The results indicate that through superplasticizer motivating the auxiliary water-reducing effect and auxiliary enhancing strength effect, the cost of compounded additives such as retarting and high water-reducing agent and pumping agent can be decreased under the same water-reducing ratio.