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对混凝土耐久性评价指标进行合理的优化设计,采用设计后的评价参数来表征混凝土在硫酸盐环境中的耐久性劣化过程。结果表明:评价参数能在同一坐标轴上显示混凝土各项性能的劣化程度;评价参数适用相同判定标准,判定法则简单、方便,更易于比较混凝土劣化过程中各项性能的变化过程和敏感程度;在实验室进行混凝土抗硫酸盐腐蚀试验时,宜选用无破损检测的两个评价参数进行结果评价。
The durability evaluation index of concrete is reasonably optimized. The design parameters are used to characterize the durability degradation of concrete in sulphate environment. The results show that the evaluation parameters can show the deterioration degree of various properties of concrete on the same axis; the same evaluation criterion applies to the evaluation parameters; the judgment rule is simple and convenient; and it is easier to compare the process and sensitivity of various properties in concrete deterioration process; In the laboratory of concrete sulfate resistance corrosion test, should be selected without damage detection of the two evaluation parameters for evaluation of the results.