关键词: 老坝体, 聚脲防渗材料, 防碳化

Abstract: After years of operation, carbonization layer was found on the concrete surface of Danjiangkou dam. For operation safety, treatment measures were carried out and two-component polyurea protective material was adopted to stop the further carbonization of concrete. This paper introduced the application of the material, for reference.

Key words: old dam body, polyurea anti-seepage material, anti-carbonization