Chloride Resistance of Concrete with Marine Blended Cement Using Corrosion Resistant Mineral Admixture

Author:

Bae Jun Yong1,Shin Kyung Joon1,Hyun Jung Hwan1,Jang Young Il1,Kim Yun Yong1

Affiliation:

1. Chungnam National University

Abstract

In this study, the chloride resistant properties of concrete with MBC (marine blended cement) were evaluated by an accelerated corrosion test of reinforced concrete. The half-cell potential measurements indicated that the chloride resistance of MBC concrete is approximately 32% larger than that of TBC (ternary blended cement) concrete. As for the reinforcement corrosion area, while the TBC specimens exhibited 5.32-6.11% corrosion at the final 40th cycle, the MBC specimens did not show any sign of steel corrosion. The chloride penetration depth of the MBC specimens was approximately 41-79% smaller than that of the MBC specimens.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference5 articles.

1. Lee, B.J., Jang, Y.I., and Kim, Y.Y. : Journal of the Korea Concrete Institute, Vol. 25, No. 1, (2013), pp.115-123.

2. Kim, K.H., and Cha, S.W. : Journal of the Korea Concrete Institute, Vol. 22, No. 4, (2010), pp.595-603.

3. Bae, J.Y., Jang, Y.I., and Kim, Y.Y. : Journal of Material Cycles and Waste Management, Vol. 28, No. 2, (2011), pp.165-174.

4. KS F 2599-2: The accelerated corrosion test of reinforced concrete (wet-drying cycles method): Korean Standards Association, Korea, (2008).

5. ASTM Standard C876-09: Specification for Concrete Aggregates, ASTM International, West Conshohocken, PA, (2003).

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