The influence of mineral functional materials on chloride ion penetration of concrete

Abstract

The mechanism of chloride ion penetration in high performance concrete was analyzed. The experimental results indicate that there are two important reasons that influence the anti-chloride penetration of high performance concrete. One is the function effect of mineral functional material, so that it increases concrete’s capability to resist chloride ion penetration. The other is combined action of mineral functional material’s original capability of binding the chloride ion (physical adsorption) and physicochemical adsorption after hydration.

Keywords

mineral functional material / chloride ion / penetration / concrete

References

[1] Naiqian Feng, Fong Xi. The Technology of High Performance Concrete, 2000 Beijing: The Atom Press. 190-191.

[2] Hongmei Hu. Research on the Mineral Functional Material on Chloride Permeability of Concrete, 2002 Wuhan: Wuhan University of Technology.

[3] Baoguo Ma, Yiongxin Li. Research on the Green High Performance Concrete and Mineral Admixture. Journal of Wuhan Industry University, 1999, 21(5): 15-21.

[4] Qiongying Gao, Zhiqiang Zhang. Study on the Structural Change in the Calcinations Process of Kaolinte and its Pozzolanic Activity. J. Chin Ceram. Soc., 1989, 17(6): 541-548.

[5] Sifeng Liu. The Evolve of Measuring Means of Chloride Diffusivity and Its Theoretical Background. Concrete, 2002, 10: 21-24.

[6] ASTM C1202. Standard Test Method for Electrical Indication of Concrete’s Ability to Resist Chloride Ion Penetration. Annual Book of ASTM Standard, 1995, Vol. 04. 02