喷涂聚脲在南水北调渡槽槽身冻胀处理中的应用

摘要

Spray polyurea is a kind of new-type two-component waterproofing coating which has an efficient waterproof and impervious effect on concrete in hydraulic structure. Combined with the frost heave treatement of aqueducts body in South-North Water Diversion Project, this article introduces spray polyurea material, construction procedure and construc-tion cautions, especialty the application method in the carbon fiber sheet surface.%喷涂聚脲是一种新型的双组分防水涂料，在水工建筑物中对混凝土起到高效的防水、防渗作用。结合南水北调渡槽槽身冻胀处理，介绍了喷涂聚脲材料、施工工序及施工注意事项，特别是在碳纤维布基面的应用方法等。