impermeability

The effect of admixture on impermeability of concrete in frigid zone was studied the results of the test meet the requirements of design and construction.

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。

This paper introduces the influence of the polyropylene fiber on plastic shrinkage and anti-permeability of concrete, and the analysis of anti-cracking and impermeability mechanism.

介绍了聚丙烯纤维对混凝土塑性收缩及抗渗性能的影响，并进行机理分析，最后展望了聚丙烯纤维混凝土在渠道防渗工程中的应用前景。