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| one publication added to basket [242076] |
Full probabilistic service life prediction and life cycle assessment of concrete with fly ash and blast-furnace slag in a submerged marine environment: a parameter study
Van den Heede, P.; Maes, M.; Gruyaert, E.; De Belie, N. (2012). Full probabilistic service life prediction and life cycle assessment of concrete with fly ash and blast-furnace slag in a submerged marine environment: a parameter study. IJESD 11(1): 32-49. https://dx.doi.org/10.1504/IJESD.2012.049141
In: International Journal of Environment and Sustainable Development. Inderscience Publishers: Milton Keynes. ISSN 1474-6778; e-ISSN 1478-7466, meer
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| Author keywords |
service life prediction; life cycle assessment; concrete LCA; fly ash; blast furnace slag; BFS; submerged marine environment; sustainability; construction industry; sustainable development; green concretes; durability assessment; chlorides; axially loaded columns; environmental impact; sea water |
| Abstract |
Nowadays, more attention is being paid to sustainability in construction. Over the years, the concrete research community has developed a wide range of potential 'green' concretes. To reduce cement related CO2 emissions, a considerable part of the traditional binder can be replaced with industrial by-products. However, as a result of the current focus on comparative durability assessment based on accelerated tests, sufficient knowledge on the actual service life and sustainability of these materials is still lacking. In this paper, we combined both approaches for concrete exposed to chlorides. Different mixes were subjected to a rapid chloride migration test. With the results obtained, probabilistic service life prediction was done. This service life together with the material's strength was used as input for life cycle assessment of an axially loaded column. Results show that the environmental impact of fly ash and slag concrete is less than half the impact of traditional concrete. |
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