Durability and testing – Degradation via mass transport

S.A. Bernal; V. Bílek; M. Criado; A. Fernández-Jiménez; E. Kavalerova; P. V. Krivenko; M. Palacios; A. Palomo; J. L. Provis; F. Puertas; R. San Nicolas; C. Shi; F. Winnefeld

doi:10.1007/978-94-007-7672-2_9

Durability and testing – Degradation via mass transport

S.A. Bernal, V. Bílek, M. Criado, A. Fernández-Jiménez, E. Kavalerova, P. V. Krivenko, M. Palacios, A. Palomo, J. L. Provis, F. Puertas, R. San Nicolas, C. Shi, F. Winnefeld

Department of Architecture & Civil Engineering

Research output: Chapter or section in a book/report/conference proceeding › Book chapter

19 Citations (SciVal)

Abstract

In most applications of reinforced concrete, the predominant modes of structural failure of the material are actually related more to degradation of the embedded steel reinforcing rather than of the binder itself. Thus, a key role played by any structural concrete is the provision of sufficient cover depth, and alkalinity, to hold the steel in a passive state for an extended period of time. The loss of passivation usually takes place due to the ingress of aggressive species such as chloride, and/or the loss of alkalinity by processes such as carbonation. This means that the mass transport properties of the hardened binder material are essential in determining the durability of concrete, and thus the analysis and testing of the transport-related properties of alkali-activated materials will be the focus of this chapter. Sections dedicated to steel corrosion chemistry within alkali-activated binders, and to efflorescence (which is a phenomenon observed in the case of excessive alkali mobility), are also incorporated into the discussion due to their close connections to transport properties.

Original language	English
Title of host publication	Alkali Activated Materials
Editors	J. Provis, J. van Deventer
Place of Publication	Dordrecht, Germany
Publisher	Springer
Pages	223-276
ISBN (Electronic)	9789400776722
ISBN (Print)	9789400776715
DOIs	https://doi.org/10.1007/978-94-007-7672-2_9
Publication status	Published - 9 Oct 2013

Publication series

Name	RILEM State-of-the-Art Reports

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10.1007/978-94-007-7672-2_9

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Bernal, S. A., Bílek, V., Criado, M., Fernández-Jiménez, A., Kavalerova, E., Krivenko, P. V., Palacios, M., Palomo, A., Provis, J. L., Puertas, F., San Nicolas, R., Shi, C., & Winnefeld, F. (2013). Durability and testing – Degradation via mass transport. In J. Provis, & J. van Deventer (Eds.), Alkali Activated Materials (pp. 223-276). (RILEM State-of-the-Art Reports). Springer. https://doi.org/10.1007/978-94-007-7672-2_9

Bernal, SA, Bílek, V, Criado, M, Fernández-Jiménez, A, Kavalerova, E, Krivenko, PV, Palacios, M, Palomo, A, Provis, JL, Puertas, F, San Nicolas, R, Shi, C & Winnefeld, F 2013, Durability and testing – Degradation via mass transport. in J Provis & J van Deventer (eds), Alkali Activated Materials. RILEM State-of-the-Art Reports, Springer, Dordrecht, Germany, pp. 223-276. https://doi.org/10.1007/978-94-007-7672-2_9

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abstract = "In most applications of reinforced concrete, the predominant modes of structural failure of the material are actually related more to degradation of the embedded steel reinforcing rather than of the binder itself. Thus, a key role played by any structural concrete is the provision of sufficient cover depth, and alkalinity, to hold the steel in a passive state for an extended period of time. The loss of passivation usually takes place due to the ingress of aggressive species such as chloride, and/or the loss of alkalinity by processes such as carbonation. This means that the mass transport properties of the hardened binder material are essential in determining the durability of concrete, and thus the analysis and testing of the transport-related properties of alkali-activated materials will be the focus of this chapter. Sections dedicated to steel corrosion chemistry within alkali-activated binders, and to efflorescence (which is a phenomenon observed in the case of excessive alkali mobility), are also incorporated into the discussion due to their close connections to transport properties.",

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AU - Fernández-Jiménez, A.

AU - Kavalerova, E.

AU - Krivenko, P. V.

AU - Palacios, M.

AU - Palomo, A.

AU - Provis, J. L.

AU - Puertas, F.

AU - San Nicolas, R.

AU - Shi, C.

AU - Winnefeld, F.

PY - 2013/10/9

Y1 - 2013/10/9

N2 - In most applications of reinforced concrete, the predominant modes of structural failure of the material are actually related more to degradation of the embedded steel reinforcing rather than of the binder itself. Thus, a key role played by any structural concrete is the provision of sufficient cover depth, and alkalinity, to hold the steel in a passive state for an extended period of time. The loss of passivation usually takes place due to the ingress of aggressive species such as chloride, and/or the loss of alkalinity by processes such as carbonation. This means that the mass transport properties of the hardened binder material are essential in determining the durability of concrete, and thus the analysis and testing of the transport-related properties of alkali-activated materials will be the focus of this chapter. Sections dedicated to steel corrosion chemistry within alkali-activated binders, and to efflorescence (which is a phenomenon observed in the case of excessive alkali mobility), are also incorporated into the discussion due to their close connections to transport properties.

AB - In most applications of reinforced concrete, the predominant modes of structural failure of the material are actually related more to degradation of the embedded steel reinforcing rather than of the binder itself. Thus, a key role played by any structural concrete is the provision of sufficient cover depth, and alkalinity, to hold the steel in a passive state for an extended period of time. The loss of passivation usually takes place due to the ingress of aggressive species such as chloride, and/or the loss of alkalinity by processes such as carbonation. This means that the mass transport properties of the hardened binder material are essential in determining the durability of concrete, and thus the analysis and testing of the transport-related properties of alkali-activated materials will be the focus of this chapter. Sections dedicated to steel corrosion chemistry within alkali-activated binders, and to efflorescence (which is a phenomenon observed in the case of excessive alkali mobility), are also incorporated into the discussion due to their close connections to transport properties.

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Durability and testing – Degradation via mass transport

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