The effect of admixture on impermeability of concrete in frigid zone was studied the results of the test meet the requir摘要主要研究了混凝土中掺入引气减水剂对混凝土抗渗性能的影响，并按选定配比以最佳掺入量掺入混凝土中进行抗渗试验，测试的结果满足设计和施工的要求。