Study on the Dual Application of Hydrophobic Pore Bound Polymer and Silane Impregnation on the Durability of Marine Concrete
To further enhance the durability of structures under nearshore or marine chloride environments with an environmental action grade of Ⅲ-F,this study investigated the combined effect of the dual application of hydrophobic pore bound polymer and silane impregnation measures on the durability of marine concrete. The intrinsic properties of marine concrete was improved by adding hydrophobic pore bound polymer,and its surface was further protected by applying a silane impregnation coating. The results showed that adding hydrophobic pore bound polymer can improve the workability of concrete,delay the hydration process,reduce the possibility of early temperature cracks in large-volume marine concrete,and did not affect its later strength. Compared to a single application,the dual application of hydrophobic pore bound polymer and silane impregnation had shown a superior performance in terms of chloride ion penetration resistance,carbonation depth,water absorption rate,and other aspects of marine concrete. It can significantly improve the durability of marine concrete structures under nearshore or marine chloride environments with an environmental action grade of Ⅲ-F.
万方数据
维普
