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Corrosion science and technology v.6 no.4, 2007년, pp.177 - 185  

Evaluation on Surface Scaling and Frost Resistance for concrete Deteriorated due to Cyclic Freezing and Thawing with Inherent Chloride

Kim, Gyu Yong   (Dept. of Architectural Engineering, Chungnam National UniversityUU0001302  ); Cho, Bong Suk   (Dept. of Architectural Engineering, Chungnam National UniversityUU0001302  ); Lee, Seung Hoon   (The Chief Engineer of Samsung CorporationCC0101987  ); Kim, Moo Han   (Dept. of Architectural Engineering, Chungnam National UniversityUU0001302  );
  • 초록

    The purpose of this study is to evaluate freezing-thawing and surface scaling resistance in order to examine the frost durability of concrete in a chloride-inherent environment. The mixing design for this study is as follows: 3 water binder ratios of 0.37, 0.42, and 0.47; 2-ingredient type concrete (50% OPC concrete and 50% ground granulated blast-furnace slag), and 3-ingredient type concrete (50% OPC concrete, 15% fly ash, and 35% ground granulated blast-furnace slag). As found in this study, the decrease of durability was much more noticeable in combined deterioration through both salt damage and frost damage than in a single deterioration through either ofthese; when using blast-furnace slag in freezing-thawing seawater, the frost durability and surface deterioration resistance was evaluated as higher than when using OPC concrete. BF 50% concrete, especially, rather than BFS35%+FA15%, had a notable effect on resistance to chloride penetration and freezing/expansion. It has been confirmed that surface deterioration can be evaluated through a quantitative analysis of scaling, calculated from concrete's underwater weight and surface-dry weight as affected by the freezing-thawing of seawater.


  • 주제어

    salt damage .   freezing-thawing .   surface scaling .   ground granulated blast furnace slag .   ternary concrete.  

  • 참고문헌 (9)

    1. S. Leroueil, J.P. Magnan, Tavenas F. Remblais sur argiles molles., Technique et Documentation - Lavoisier, p.342, Paris, 1985 
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    3. M.H. Kim, et al, Cement technology contest, 126 (1983) 
    4. H.J. Gibbs, J.P. Bara, ASTM STP 322, 277 (1962) 
    5. K. Terzaghi, R.B. Peck Soil Mechanics in engineering practice, J. Wiley, New York, 1967 
    6. W. F. Cole and B. Kroone, ACI Journal, 31, 1275 (2001) 
    7. H. Mihashi, S. Iwagami, Y. Kaneko, Concrete Research and Technology, 10, 143 (1999) 
    8. J.E. Jennings, K. Knight, Proc. 4th Int. Conf. on soil Mech. and Found. Eng. 1, 316 (1957) 
    9. E.L. Matyas, H.S. Radhakrishna, Geotechnique 18, 432 (1968) 

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