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本文简述了真空脱水工艺对混凝土孔结构的作用及用吸水法试验测定混凝土孔结构的优缺点。通过对不同砂石比的真空与非真空混凝土试块进行吸水法试验,证实了真空脱水工艺对混凝土孔结构的有利影响。并提出了进一步改善真空脱水混凝土平均孔径指标值的措施。
In this paper, the effect of vacuum dehydration process on the pore structure of concrete and the advantages and disadvantages of the pore structure of the concrete by the water absorption test are briefly described. Through the water absorption test of vacuum and non-vacuum concrete test blocks with different gravel ratios, the beneficial effect of the vacuum dewatering process on the concrete pore structure was confirmed. And put forward measures to further improve the average pore diameter index of vacuum dewatering concrete.