混凝土抗水渗透性能试验方法综述及评价

Review and evaluation of test methods for resistance of concrete to water penetration

混凝土的抗水渗透性能是评价混凝土耐久性的重要指标。在比较现有混凝土抗水渗透性能试验方法的优缺点的基础上,分析了影响各试验方法测试结果的相关重要因素,发现目前各测试方法得到的参数、数据指标等物理意义各异,各方法得到的指标之间存在着量纲不一致的情况,不能直接进行对比。提出需要建立各方法或指标之间的联系,且需调控影响试验方法测试结果的有关重要因素,并对混凝土抗水渗透性能测试方法的发展方向提出了展望,指出需要开发更先进、更快速、更准确的试验方法。

The water penetration resistance is an essential index for evaluating the durability of concrete.On the basis of comparing the advantages and disadvantages of the existing test methods for water penetration resistance of concrete,analyzing the critical factors affect-ing the results of each test method.Finding that the parameters and data indexes obtained by each test method have different physical signifi-cance.Additionally,there is dimensional inconsistency between the indicators obtained from each methods,which cannot be compared,and that it is necessary to establish the connection between the methods or indexes.And it is necessary to control the important factors affecting the test results.The development direction of concrete water penetration resistance test methods is proposed,emphasizing the need to devel-op more advanced,rapid,and accurate test methods.