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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Lemos, Paulo C.
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Topics
Publications (7/7 displayed)
- 2021Use of Mixed Microbial Cultures to Protect Recycled Concrete Surfaces: A Preliminary Studycitations
- 2021Effect of innovative bioproducts on air lime mortarscitations
- 2020Biodegradable polymers on cementitious materialscitations
- 2018Eco-friendly healing agents for recycled concrete
- 2010Molecular weight and thermal properties of polyhydroxyalkanoates produced from fermented sugar molasses by open mixed culturescitations
- 2009Influence of feeding strategies of mixed microbial cultures on the chemical composition and microstructure of copolyesters P(3HB-co-3HV) analyzed by NMR and statistical analysis
- 2008The influence of process parameters on the characteristics of polyhydroxyalkanoates produced by mixed culturescitations
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article
Use of Mixed Microbial Cultures to Protect Recycled Concrete Surfaces: A Preliminary Study
Abstract
<jats:p>One approach to tackle the problems created by the vast amounts of construction and demolition waste (CDW) generated worldwide while at the same time lengthening concrete durability and service life is to foster the use of recycled aggregate (RA) rather than natural aggregate (NA). This article discusses the use of polyhydroxyalkanoates (PHAs)-producing mixed microbial cultures (MMCs) to treat the surface of recycled concrete with a view to increase its resistance to water-mediated deterioration. The microorganisms were cultured in a minimal medium using waste pinewood bio-oil as a carbon source. Post-application variations in substrate permeability were determined with the water drop absorption and penetration by water under pressure tests. The significant reduction in water absorption recorded reveals that this bioproduct is a promising surface treatment for recycled concrete.</jats:p>