This paper introduced the characteristics of polycarboxylate superplasticizer, analyzed the current situation of the used polycarboxylate superplasticizer, according to experimental experience elaborated the common problems and solutions of polycarboxylate superplasticizer in con-crete preparation process, provided valuable experience and application skills for colleagues.%介绍了聚羧酸减水剂的特点，分析了所使用的聚羧酸减水剂的现状，根据试验经验阐述了聚羧酸减水剂在混凝土配制过程中经常出现的问题及解决措施，为同行们提供了宝贵的经验和应用技巧。
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