Impermeable concrete is an engineering composite material with low cost,good volume stability and good durability.It is of great significance to study its application in construction projects such as bridges and dams.According to current research,adding an appropriate amount of mineral admixtures can effectively improve the impermeability of concrete and give better advantages to the application of impermeable concrete.In this article,the improvement of permeability effect with fly ash,silica fume,slag and fiber was introduced,providing effective reference for the application of impermeable concrete in key engineering fields.
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