It is found that, when 0.006% dosage of polycarboxylate based AEA is used, the air content and spacing factor of concrete can meet the needs of HPC engineering.

• 研究表明：聚羧酸类引气剂在掺量为0.；006%25时，混凝土含气量和气泡间距系数便可满足高性能混凝土工程使用要求；