在寒冷的冬季过后并准备开工之前,应检验一下库存的外加剂.经过冻结然后解冻的外加剂会对新浇砼和固结砼产生各种影响.一、解冻的外加剂为什么会产生问题在冻结过程中,很多外加剂趋向了分离为两相或多相状态.水分从外加剂的活性组分中分离出来,在储存器中形成异状聚集物.解冻后,各相趋于保持分散状,而只有在完全重新搅拌后,它们才 After the cold winter and ready to start, you should check the inventory of admixtures. The admixtures that are frozen and then thawed will have various effects on the freshly poured and solidified tendons. Why do the thawed admixtures cause problems? During the freezing process, many admixtures tend to separate into two or more phases. The water is separated from the active components of the admixture and forms heterogeneous aggregates in the reservoir. After thawing, the phases tend to remain dispersed. But only after completely re-stirring them