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chan jia ji zai shui gong hun ning tu pei he bi she ji zhong de ying yong
Author(s): 
Pages: 113-114
Year: Issue:  6
Journal: HEILONGJIANG SCIENCE AND TECLNOLOGY OF WATER CONSERVANCY

Keyword:  水工混凝土配合比设计水灰比掺加剂强度等级;
Abstract: 文章按照《水工混凝土施工规范》对混凝土配合比中水灰比的规定和按照《普通混凝土配合比设计规程》对混凝土强度等级为C15、C20、C25、C30混凝土设计,采用的水灰比进行对比,得出如果仅采用《普通混凝土配合比设计规程》的水灰比,水工混凝土拌合物的稠度太大,水泥用量、用水量增多,混凝土不能使用;混凝土必须掺加外加剂(减水剂、引气剂、缓凝剂),混凝土中的水泥用量、用水量、稠度才能满足要求的结论.
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