<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Addition of fly ash or GGBS in concrete has shown to increase the durability and thus the service life of concrete structures exposed to chlorides. Currently, the durability relies on regulations, which beside a minimum cover thickness also put constraint on amount and type of SCM in different environments. Swedish regulations do not, however, consider the actual durability of different binders. As a consequence, a LCA might be misleading. This paper investigates the climate impact of concrete with SCM in chloride environment. Current prescriptive design approach is compared with a performance based service life approach and applied to bridge parts.</p></abstract>

Addition of fly ash or GGBS in concrete has shown to increase the durability and thus the service life of concrete structures exposed to chlorides. Currently, the durability relies on regulations, which beside a minimum cover thickness also put constraint on amount and type of SCM in different environments. Swedish regulations do not, however, consider the actual durability of different binders. As a consequence, a LCA might be misleading. This paper investigates the climate impact of concrete with SCM in chloride environment. Current prescriptive design approach is compared with a performance based service life approach and applied to bridge parts.

The Influence of Supplementary Cementitious Materials on Climate Impact of Concrete Structures Exposed to Chlorides

Royal Institute of Technology (KTH), Department of Civil and Architectural Engineering

Nordic Concrete Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Addition of fly ash or GGBS in concrete has shown to increase the durability and thus the service life of concrete structures exposed to chlorides. Currently,...

The Influence of Supplementary Cementitious Materials on Climate Impact of Concrete Structures Exposed to Chlorides

Publié en ligne: 01 déc. 2018

Pages: 77 - 93

Reçu: 15 mars 2018

Accepté: 07 mai 2018

DOI: https://doi.org/10.2478/ncr-2018-0005

Mots clés
chloride induced corrosion, Supplementary Cementitious Materials (SCM), climate impact, bridge, service life, LCA, concrete

© 2018 Nadia Al-Ayish et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The Influence of Supplementary Cementitious Materials on Climate Impact of Concrete Structures Exposed to Chlorides

Publié en ligne: 01 déc. 2018

Pages: 77 - 93

Reçu: 15 mars 2018

Accepté: 07 mai 2018

DOI: https://doi.org/10.2478/ncr-2018-0005

Mots cléschloride induced corrosion, Supplementary Cementitious Materials (SCM), climate impact, bridge, service life, LCA, concrete

© 2018 Nadia Al-Ayish et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
chloride induced corrosion, Supplementary Cementitious Materials (SCM), climate impact, bridge, service life, LCA, concrete