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Discussion of the evolution of the chloride migration coefficient of Portland cement concrete tested by the rapid chloride migration (RCM) test at long-term curing periods up to 5 years

Zhuqing Yu, Guang Ye (UGent) , Martin Hunger and Reinier van Noort
(2013) PRO 84. 1. p.451-463
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Abstract
Chloride-induced corrosion of reinforced concrete is one of the main deterioration mechanisms leading to shortening of the service life of concrete structures. Therefore, assessment of the resistance of concrete to chloride ingress plays an important role in predicting the service life of such structures. The Rapid Chloride Migration (RCM) test is one of the accelerated test methods commonly used in Europe. It is commonly assumed that for a properly cured Portland cement concrete without degradation, the chloride migration coefficient should decrease with increasing curing age due to on-going hydration and microstructure densification. However, recent experiments show that the rapid chloride migration coefficient of Portland cement concrete decreases at early curing age, but increases at later curing ages up to 5 years. In this paper, the evolution of the rapid chloride migration coefficient of Portland cement concrete during long-term curing periods up to 5 years is discussed. The test conditions for the RCM test and the test results obtained from RCM tests are described. Finally, possible causes for the increase in DRCM that occurred during late curing of the samples are investigated in order to explain this increase.

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MLA
Yu, Zhuqing, et al. “Discussion of the Evolution of the Chloride Migration Coefficient of Portland Cement Concrete Tested by the Rapid Chloride Migration (RCM) Test at Long-Term Curing Periods up to 5 Years.” PRO 84, edited by ZJ Li et al., vol. 1, RILEM Publications S.A.R.L., 2013, pp. 451–63.
APA
Yu, Z., Ye, G., Hunger, M., & van Noort, R. (2013). Discussion of the evolution of the chloride migration coefficient of Portland cement concrete tested by the rapid chloride migration (RCM) test at long-term curing periods up to 5 years. In Z. Li, W. Sun, C. Miao, K. Sakai, O. Gjorv, & N. Banthia (Eds.), PRO 84 (Vol. 1, pp. 451–463). Bagneux, France: RILEM Publications S.A.R.L.
Chicago author-date
Yu, Zhuqing, Guang Ye, Martin Hunger, and Reinier van Noort. 2013. “Discussion of the Evolution of the Chloride Migration Coefficient of Portland Cement Concrete Tested by the Rapid Chloride Migration (RCM) Test at Long-Term Curing Periods up to 5 Years.” In PRO 84, edited by ZJ Li, W Sun, CW Miao, K Sakai, OE Gjorv, and N Banthia, 1:451–63. Bagneux, France: RILEM Publications S.A.R.L.
Chicago author-date (all authors)
Yu, Zhuqing, Guang Ye, Martin Hunger, and Reinier van Noort. 2013. “Discussion of the Evolution of the Chloride Migration Coefficient of Portland Cement Concrete Tested by the Rapid Chloride Migration (RCM) Test at Long-Term Curing Periods up to 5 Years.” In PRO 84, ed by. ZJ Li, W Sun, CW Miao, K Sakai, OE Gjorv, and N Banthia, 1:451–463. Bagneux, France: RILEM Publications S.A.R.L.
Vancouver
1.
Yu Z, Ye G, Hunger M, van Noort R. Discussion of the evolution of the chloride migration coefficient of Portland cement concrete tested by the rapid chloride migration (RCM) test at long-term curing periods up to 5 years. In: Li Z, Sun W, Miao C, Sakai K, Gjorv O, Banthia N, editors. PRO 84. Bagneux, France: RILEM Publications S.A.R.L.; 2013. p. 451–63.
IEEE
[1]
Z. Yu, G. Ye, M. Hunger, and R. van Noort, “Discussion of the evolution of the chloride migration coefficient of Portland cement concrete tested by the rapid chloride migration (RCM) test at long-term curing periods up to 5 years,” in PRO 84, Nanjing, China, 2013, vol. 1, pp. 451–463.
@inproceedings{4148617,
  abstract     = {{Chloride-induced corrosion of reinforced concrete is one of the main deterioration mechanisms leading to shortening of the service life of concrete structures. Therefore, assessment of the resistance of concrete to chloride ingress plays an important role in predicting the service life of such structures. The Rapid Chloride Migration (RCM) test is one of the accelerated test methods commonly used in Europe. It is commonly assumed that for a properly cured Portland cement concrete without degradation, the chloride migration coefficient should decrease with increasing curing age due to on-going hydration and microstructure densification. However, recent experiments show that the rapid chloride migration coefficient of Portland cement concrete decreases at early curing age, but increases at later curing ages up to 5 years. In this paper, the evolution of the rapid chloride migration coefficient of Portland cement concrete during long-term curing periods up to 5 years is discussed. The test conditions for the RCM test and the test results obtained from RCM tests are described. Finally, possible causes for the increase in DRCM that occurred during late curing of the samples are investigated in order to explain this increase.}},
  author       = {{Yu, Zhuqing and Ye, Guang and Hunger, Martin and van Noort, Reinier}},
  booktitle    = {{PRO 84}},
  editor       = {{Li, ZJ and Sun, W and Miao, CW and Sakai, K and Gjorv, OE and Banthia, N}},
  language     = {{eng}},
  location     = {{Nanjing, China}},
  pages        = {{451--463}},
  publisher    = {{RILEM Publications S.A.R.L.}},
  title        = {{Discussion of the evolution of the chloride migration coefficient of Portland cement concrete tested by the rapid chloride migration (RCM) test at long-term curing periods up to 5 years}},
  volume       = {{1}},
  year         = {{2013}},
}