The way to determine economical dosage of HRWRA was pre sented based on a case history of mix design.
通过一个配合比设计实例，介绍了减水剂经济掺量的确定方法。
Influence of high range water reducing admixture (HRWRA) on performance and cost of concrete was discussed. An economical dosage for HRWRA was found and its model established.
讨论了减水剂对混凝土性能和成本的影响，指出减水剂存在一个经济掺量，并建立了经济掺量模型。
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