This paper, taking the poly carboxylic acid high performance water reducing agent as the research object, through the comparison of the strength and workability between concrete added poly carboxylic acid water reducing agent and ordinary concrete, studies the effect of poly carboxylic acid high performance water reducing agent to the strength and workability of the structural concrete. By comparing the workability and strength of the two different concretes, this paper analyzes the effect of several kinds of water reducer on the workability of concrete.%本文以聚羧酸系高性能减水剂为研究对象，通过掺入聚羧酸系减水剂的混凝土与普通混凝土的强度和工作性对比，研究聚羧酸高性能减水剂对结构混凝土强度和工作性的影响。通过对比掺加聚羧酸系高性能减水剂与普通减水剂的混凝土工作性与强度，分析几种减水剂对混凝土工作性的影响。
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