Influence of Surface Electrical Properties of C-S-H on Chloride Binding in Slag-Blended Cementitious Materials
Publication: Journal of Materials in Civil Engineering
Volume 30, Issue 5
Abstract
In this study, the surface electrical properties of calcium silicate hydrate (C-S-H) and their influence on ionic adsorption have been investigated to be able to predict chloride binding in slag-containing cementitious materials. The experimental data showed that the electrokinetic potential of slag cement paste (SCP) is intermediate between hydrated cement paste (HCP) and C-S-H with Ca/Si of 1.0 (C-S-H:1.0) or slag calcium hydroxide paste (SCHP). Two types of C-S-H available in the hydrated SCP for ionic adsorption are considered: one is similar to the C-S-H of HCP and other is like C-S-H:1.0. The surface complexation modeling parameters for ionic adsorption on C-S-H:1.0 were estimated by fitting the experimental data to simulation results. The estimated parameters for C-S-H:1.0 together with surface complexation modeling parameters for HCP were used to predict the adsorption of chloride on SCP. The simulation results show good agreement with experimental data and follow a Freundlich isotherm. When portland cement is partially replaced by slag, it modifies the surface electrical properties of C-S-H in addition to mineralogy and pore structure and leads to change in the chloride adsorption behavior.
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Acknowledgments
This study was financially supported by the Japan Society for the Promotion of Science (JSPS) Grants-in-Aid for Scientific Research (KAKENHI) Grant No. 16K1812906.
References
Andersson, K., Allard, B., Bengtsson, M., and Magnusson, B. (1989). “Magnusson, chemical composition of cement pore solution.” Cem. Concr. Res., 19(3), 327–332.
Beaudoin, J. J., Ramachandran, V. S., and Feldman, R. F. (1990). “Interaction of chloride and C-S-H.” Cem. Concr. Res., 20(6), 875–883.
Chen, J. J., Thomas, J. J., Taylor, H. F., and Jennings, H. M. (2004). “Solubility and structure of calcium silicate hydrate.” Cem. Concr. Res., 34(9), 1499–1519.
Dzombak, D. A., and Morel, F. M. M. (1990). Surface complexation modeling: Hydrous ferric oxide, Wiley, New York.
Elakneswaran, Y., Iwasa, A., Nawa, T., Sato, T., and Kurumisawa, K. (2010). “Ion-cement hydrate interactions govern multi-ionic transport model for cementitious materials.” Cem. Concr. Res., 40(12), 1756–1765.
Elakneswaran, Y., Nawa, T., and Kurumisawa, K. (2009a). “Electrokinetic potential of hydrated cement in relation to adsorption of chlorides.” Cem. Concr. Res., 39(4), 340–344.
Elakneswaran, Y., Nawa, T., and Kurumisawa, K. (2009b). “Influence of surface charge on ingress of chloride ion in hardened paste.” Mater. Struct., 42(1), 83–93.
Gollop, R. S., and Taylor, H. F. W. (1992). “Microstructural and microanalytical studies of sulfate attack. I: Ordinary portland cement paste.” Cem. Concr. Res., 22(6), 1027–1038.
Gollop, R. S., and Taylor, H. F. W. (1996). “Microstructural and microanalytical studies of sulfate attack. IV: Reactions of a slag cement paste with sodium and magnesium sulfate solutions.” Cem. Concr. Res., 26(7), 1013–1028.
Harrisson, A. M., Winter, N. B., and Taylor, H. F. (1987). “Microstructure and microchemistry of slag cement paste.” Mater. Res. Soc. Symp. Proc., 86, 199–208.
Heath, T. G., Ilett, D. J., and Tweed, C. J. (1996). “Thermodynamic modelling of the sorption of radioelements onto cementitious materials.” Mater. Res. Soc. Symp. Proc., 412, 443–449.
Hirao, H., Yamada, K., Takahashi, H., and Zibara, H. (2005). “Chloride binding of cement estimated by binding isotherms of hydrates.” J. Adv. Concr. Technol., 3(1), 77–84.
Hosokawa, Y., Yamada, K., Johannesson, B., and Nilsson, L. O. (2006). “Models for chloride ion bindings in hardened cement paste using thermodynamic equilibrium calculations.” 2nd Int. RILEM Symp. on Advances in Concrete through Science and Engineering, J. Marchand, B. Bissonnette, R. Gagné, M. Jolin, and F. Paradis, eds., Vol. 51, International Union of Laboratories and Experts in Construction Materials, Systems and Structures Publications, Paris.
Lodeiro, I. G., MacPhee, D. E., Palomo, A., and Fernández-Jiménez, A. (2009). “Effect of alkalis on fresh C-S–H gels: FTIR analysis.” Cem. Concr. Res., 39(3), 147–153.
Lothenbach, B., Matschei, T., Möschner, G., and Glasser, F. P. (2008). “Thermodynamic modelling of the effect of temperature on the hydration and porosity of portland cement.” Cem. Concr. Res., 38(1), 1–18.
Malhorta, V. M. (2000). “Durability of concrete.” Corrosion handbook, 2nd Ed., R. W. Revie, ed., Wiley, Hoboken, NJ.
Mayant, C., Grambow, B., Abdelouas, A., Ribet, S., and Leclercq, S. (2008). “Surface site density, silicic acid retention and transport properties of compacted magnetic powder.” Phys. Chem. Earth, 33(14–16), 991–999.
Parkhurst, D. L., and Appelo, C. A. J. (1999). “User’s guide to PHREEQC (Version 2)—A computer program for speciation, batch-reaction, one-dimensional transport and inverse geochemical calculations.”, USGS, Denver.
PHREEQC [Computer software]. United States Geological Survey, Reston, VA.
Plusquellec, G., and Nonat, A. (2016). “Interactions between calcium silicate hydrate (C-S-H) and calcium chloride, bromide and nitrate.” Cem. Concr. Res., 90, 89–96.
Richardson, I. G. (2008). “The calcium silicate hydrates.” Cem. Concr. Res., 38(2), 137–158.
Richardson, I. G., and Groves, G. W. (1992). “Microstructure and microanalysis of hardened cement pastes involving ground granulated blast-furnace slag.” J. Mater. Sci., 27(22), 6204–6212.
Richardson, J. M., Biernacki, J. J., Stutzman, P. E., and Bentz, D. P. (2002). “Stoichiometry of slag hydration with calcium hydroxide.” J. Am. Ceram. Soc., 85(4), 947–953.
Sasaki, K., and Saeki, T. (2006). “Chloride binding capacity of calcium silicate hydrate.” Cem. Sci. Concr. Technol., 60(1), 322–327.
Shi, C., Day, R. L., Wu, X., and Tang, M. (1992). “Microstructure and performances of alkali–slag cement pastes.” Proc., 9th Int. Congress on the Chemistry of Cements, Vol. 3, National Council for Cement and Building Materials, Hyderabad, India, 298–304.
Song, H. W., and Saraswathy, V. (2006). “Studies on the corrosion resistance of reinforced steel in concrete with ground granulated blast-furnace slag-an overview.” J. Hazard. Mater. B, 138(2), 226–233.
Tennis, P. D., and Jennings, H. M. (2000). “Model for two types of calcium silicate hydrate in the microstructure of portland cement pastes.” Cem. Concr. Res., 30(6), 855–863.
Viallis-Terrisse, H., Nonat, A., and Petit, J. C. (2001). “Zeta-potential study of calcium silicate hydrates interacting with alkaline cations.” J. Colloid Interface Sci., 244(1), 58–65.
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Published In
Journal of Materials in Civil Engineering
Volume 30 • Issue 5 • May 2018
Copyright
©2018 American Society of Civil Engineers.
History
Received: Aug 8, 2017
Accepted: Oct 31, 2017
Published online: Feb 16, 2018
Published in print: May 1, 2018
Discussion open until: Jul 16, 2018
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