Abstract
Cracking can significantly accelerate mass transport in concrete and as such, impact its durability. This paper is aimed at quantifying the effect of saturated cracks on ion diffusion. Electrical conductivity, measured by electrical impedance spectroscopy (EIS), was used to characterize the diffusion coefficient of fiber-reinforced cement paste disks that contained one or two through-thickness cracks. Crack widths in the range 20–100 μm were generated by controlled indirect tension test. Crack profiles were digitized and quantified by image analysis to determine crack volume fraction and average crack width. Crack connectivity (e.g., inverse of tortuosity) was calculated from the conductivity results measured by EIS. The results suggest that the diffusion coefficient of cracked samples is strongly and linearly related to the crack volume fraction; but is not directly dependent on crack width. Crack tortuosity does reduce the ion diffusion through cracks, but its impact is not very significant. Overall, the most important parameter governing ion diffusion in saturated cracked concrete is the volume fraction of cracks. Theoretical justifications of these observations are also provided.
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References
AASHTO T259 (1980) Standard method of test for resistance of concrete to chloride ion penetration. American Association of State Highway and Transportation Officials, Washington, DC
Adamson AW (1997) Physical chemistry of surfaces, Chap. V, 6th edn. Wiley, New York
Akhavan A, Shafaatian SMH, Rajabipour F (2012) Quantifying the effects of crack width, tortuosity, and roughness on water permeability of cracked mortars. Cem Concr Res 42(2):313–320
Aldea CM, Shah SP, Karr A (1999) Effect of cracking on water and chloride permeability of concrete. J Mater Civ Eng 11(3):181–187
Andrade C (1993) Calculation of chloride diffusion coefficients in concrete from ionic migration measurements. Cem Concr Res 23(3):724–742
ASTM C1202-10 (2010) Standard test method for electrical indication of concrete’s ability to resist chloride ion penetration. American Society for Testing and Materials, West Conshohocken
ASTM C1556-11 (2011) Standard test method for determining the apparent chloride diffusion coefficient of cementitious mixtures by bulk diffusion, American Society for Testing and Materials, West Conshohocken
ASTM C1760-12, (2012) Standard test method for bulk electrical conductivity of hardened concrete. American Society for Testing and Materials, West Conshohocken
Atkinson A, Nickerson AK (1984) The diffusion of ions through water-saturated cement. J Mater Sci 19(9):3068–3078
Barneyback RS, Diamond S (1981) Expression and analysis of pore fluid from hardened cement pastes and mortars. Cem Concr Res 11:279–285
Bentur A, Diamond S, Berke NS (1997) Steel corrosion in concrete: fundamentals and civil engineering practice. Taylor & Francis, London
Bokris JOM, Reddy AKN, Gamboa-Aldeco M (2000) Modern electrochemistry: fundamentals of electrodics. Kluwer, New York
Brace WF (1977) Permeability from resistivity and pore shape. J Geophys Res 82(23):3343–3349
Brantervik K, Niklasson GA (1991) Circuit models for cement based materials obtained from impedance spectroscopy. Cem Concr Res 21(4):496–508
Buenfeld NR, Newman JB (1987) Examination of three methods for studying ion diffusion in cement pastes, mortars and concrete. Mater Struct 20(1):3–10
Castellote M, Andrade C, Alonso C (2001) Measurement of the steady and non-steady-state chloride diffusion coefficients in a migration test by means of monitoring the conductivity in the anolyte chamber. Comparison with natural diffusion tests. Cem Concr Res 31(10):1411–1420
Christensen BJ, Coverdale T, Olson RA, Ford SJ, Garboczi EJ, Jennings HM, Mason TO (1994) Impedance spectroscopy of hydrating cement-based materials: measurement, interpretation, and application. J Am Ceram Soc 77(11):2789–2804
Djerbi A, Bonnet S, Khelidj A, Baroghel-bouny V (2008) Influence of traversing crack on chloride diffusion into concrete. Cem Concr Res 38(6):877–883
Dresner L (1972) Some remarks on the integration of the extended Nernst–Planck equations in the hyperfiltration of multicomponent solutions. Desalin 10(1):27–46
Dullien FAL (1979) Porous media; fluid transport and pore structure. Academic Press, New York
Gagné R, François R, Masse P (2001) Chloride penetration testing of cracked mortar samples. In: Banthia N, Sakai K, Gjørv OE (eds) 3rd International conference on concrete under severe condition: environment and lading, Vancouver, 1:198–205
Garboczi EJ (1990) Permeability diffusivity and microstructural parameters: a critical review. Cem Concr Res 20(4):591–601
Gérard B, Marchand J (2000) Influence of cracking on the diffusion properties of cement-based materials: part I: influence of continuous cracks on the steady-state regime. Cem Concr Res 30(1):37–43
Goto S, Roy DM (1981) Diffusion of ions through hardened cement pastes. Cem Concr Res 11(5–6):751–757
Gu P, Xie P, Beaudoin JJ, Brousseau R (1992) AC Impedance spectroscopy (I): a new equivalent circuit model for hydrated Portland cement paste. Cem Concr Res 22(5):833–840
Ismail M, Toumi A, François R, Gagné R (2004) Effect of crack opening on the local diffusion of chloride in inert materials. Cem Concr Res 34(4):711–716
Ismail M, Toumi A, François R, Gagné R (2008) Effect of crack opening on the local diffusion of chloride in cracked mortar samples. Cem Concr Res 38(8–9):1106–1111
Jacobsen S, Marchand J, Boisvert L (1996) Effect of cracking and healing on chloride transport in OPC concrete. Cem Concr Res 26(6):869–881
Jang SY, Kim BS, Oh BH (2011) Effect of crack width on chloride diffusion coefficients of concrete by steady-state migration tests. Cem Concr Res 41(1):9–19
Kato E, Kato Y, Uomoto T (2005) Development of simulation model of chloride ion transportation in cracked concrete. J Adv Concr Technol 3(1):85–94
Konin A, François R, Arliguie G (1998) Penetration of chlorides in relation to the microcracking state into reinforced ordinary and high strength concrete. Mater Struct 31:310–316
Locogne P, Massat M, Ollivier JP, Richet C (1992) Ion diffusion in microcracked concrete. Cem Concr Res 22:431–438
MacDonald KA, Northwood DO (1995) Experimental measurements of chloride ion diffusion rates using a two-compartment diffusion cell: effects of material and test variables. Cem Concr Res 25(7):1407–1416
McCarter WJ, Garvin S, Bouzid N (1988) Impedance measurements on cement paste. J Mater Sci Lett 7(10):1056–1057
Mindess S, Young JF, Darwin D (2003) Concrete, 2nd edn. Prentice Hall, Upper Saddle River
NT BUILD 355 (1997) Chloride diffusion coefficient from migration cell experiments. Nordtest, Tekniikantie 12, FIN-02150, Espoo
NT BUILD 443 (1995) Concrete, hardened: accelerated chloride penetration. Nordtest, Esbo
NT BUILD 492 (1999) Concrete, mortar and cement-based repair materials: chloride migration coefficient from non-steady-state migration experiments. Nordtest, Esbo
Page CL, Short NR, Tarras AEL (1981) Diffusion of chloride ions in hardened cement pastes. Cem Concr Res 11(3):395–406
Polder R, Andrade C, Elsener B, Vennesland Ø, Gulikers J, Weidert R, Raupach M (2000) Test methods for onside measurement of resistivity of concrete. Mater Struct 33(10):603–611
Rajabipour F, (2006) In situ electrical sensing and material health monitoring of concrete structures. PhD Dissertation, Purdue University, West Lafayette
Rajabipour F, Weiss WJ (2007) Electrical conductivity of drying cement paste. Mater Struct 40(10):1143–1160
Reinhardt HW (1997) Penetration and permeability of concrete: barriers to organic and contaminating liquids. RILEM Technical Committee, London
Rodriguez OG, Hooton RD (2003) Influence of cracks on chloride ingress into concrete. ACI Mater J 100(2):120–126
Scuderi CA, Mason TO, Jennings HM (1991) Impedance spectra of hydrating cement pastes. J Mater Sci 26(2):349–353
Snyder KA (2001) Validation and modification of the 4SIGHT computer program, NIST-IR 6747, National Institute of Standards and Technology (NIST). Gaithersburg, Maryland
Stanish KD, Hooton RD, Thomas MDA (1997) Testing the chloride penetration resistance of concrete: a literature review, FHWA contract DTFH61-97-R-00022. US Federal Highway Administration, Washington, DC
Tang L, Nilsson LO (1992) Chloride diffusivity in high strength concrete. Nordic Concr Res 11:162–170
Tang L, Sørensen HE (2001) Precision of the Nordic test methods for measuring the chloride diffusion/migration coefficients of concrete. Mater Struct 34(8):479–485
Tong L, Gjørv OE (2001) Chloride diffusivity based on migration testing. Cem Concr Res 31(7):973–982
Truc O, Ollivier JP, Carcassès M (2000) A new way for determining the chloride diffusion coefficient in concrete from steady state migration test. Cem Concr Res 30(2):217–226
Weast RC, Astle MJ, Beyer WH (1986) CRC handbook of chemistry and physics, 66th edn. CRC Press, Boca Raton
Weiss J, Snyder K, Bullard J, Bentz D, (2012) Using a saturation function to interpret the electrical properties of partially saturated concrete. J Mater Civ Eng (in press)
Zhang T, Gjørv OE (1996) Diffusion behavior of chloride ions in concrete. Cem Concr Res 26(6):907–917
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Akhavan, A., Rajabipour, F. Evaluating ion diffusivity of cracked cement paste using electrical impedance spectroscopy. Mater Struct 46, 697–708 (2013). https://doi.org/10.1617/s11527-012-9927-x
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DOI: https://doi.org/10.1617/s11527-012-9927-x