tailieunhanh - Research on using admixture to improve the durability of concrete of structures used for protecting seadike slope in Vietnam

Concrete members used for protecting seadike slope have to be suffered from a severe attack caused by both chemical composition of seawater and mechanical action of wave and current, leading to the decrease in durability and lifetime rapidly. In order to address this problem, this paper presents the method by using a combination of various types of admixtures to improve both corrosion and abrasion resistance for concrete, thus producing the product with higher durability and extending longer lifetime. Based on the obtained results, the paper also provides the suitable rate of fly ash, silica fume and water reducer admixture in concrete used not only for seadike slope protection members but also for all types of concrete and reinforced concrete structures in marine environment. This result may be a reference to the producers for the next coming projects. | Research on using admixture to improve the durability of concrete of structures used for protecting seadike slope in Vietnam

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