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聚羧酸系减水剂与萘系减水剂的性能比较
Authors
付惠敏
姚志雄
宋明辉
胡红梅
Publication date
15 December 2008
Publisher
Abstract
通过外加剂的匀质性试验、胶砂强度与收缩性能试验以及混凝土性能试验,对聚羧酸系减水剂与萘系减水剂的性能进行了对比。研究表明,与萘系减水剂相比,聚羧酸系减水剂在低掺量的条件下,不但有着更高的减水率,而且保塑能力强;所配制的胶砂及混凝土的强度增长显著,低收缩、体积稳定性好。该系列减水剂在厦门嵩屿2#泊位码头胸墙面层的混凝土工程中的应用取得了良好的效果。聚羧酸系减水剂特别适合高强混凝土、高性能混凝土、自密实混凝土、清水混凝土、大体积混凝土以及预制混凝土工程
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Last time updated on 16/06/2016