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。
Naphthalene series of high range water reducing agents is a kind of an excellent water reducing admixture widely in use.
萘系高效减水剂是一种用途较广性能优越的高效减水剂。
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