Chloride Binding of Cementitious Pastes

Ke Feng Tan; Qing Cao

doi:10.4028/www.scientific.net/AMR.152-153.363

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 152-153Chloride Binding of Cementitious Pastes

Chloride Binding of Cementitious Pastes

Abstract:

An experiment was undertaken to investigate the effect of mineral admixtures, w/b, external chloride solution concentration, and carbonation on chloride binding capacity of cementitious paste. The test method was based on equilibrium method. Test results show that incorporating metakaolin, blastfurnace slag, steel slag, and flyash increases chloride binding capacities by 65.9%, 55.3%, 43.9%, and 26.8% respectively. Increasing external chloride concentration and w/c ratio can improve the chloride capacity of pure cement paste. Carbonation of cement paste will reduce the chloride capacity. Chloride binding do affect the durability of reinforced concrete in saline environment.

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Advanced Materials Research (Volumes 152-153)

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363-367

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.152-153.363

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Online since:

October 2010

Authors:

Ke Feng Tan, Qing Cao

Keywords:

Chloride Binding, Concrete, Durability, Mineral Admixture

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