693.932 PEOPLE
| People | Locations | Statistics |
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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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Bertron, Alexandra
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (32/32 displayed)
- 2024Study of Early-Age Phenomena at the Concrete-Marine Biofilm Interface in Seawater for the Construction of Eco-Friendly Fowt’s
- 2024Short-term interactions of concrete, biofilm, and seawater in the submerged zone of marine environments for sustainable floating offshore wind turbinescitations
- 2024Investigation of Cathodic Protection of Reinforced Concrete in Marine Environment for the Application of Floating Offshore Wind Turbine
- 2024New insights into aluminosilicate gel from acetic acid attack of hydrated Portland cement: Experimental and thermodynamic characterization ; Nouvelles avancées sur le gel d'aluminosilicate provenant de l'attaque par l'acide acétique du ciment Portland hydraté : Caractérisation expérimentale et thermodynamiquecitations
- 2024Effect of test related factors on the degradation of cement-based materials on acetic acid exposure
- 2024Chemo-mechanical characterization of a low-pH model cement paste in magnesium bearing environmentcitations
- 2022Nano-Structuration of WO3 Nanoleaves by Localized Hydrolysis of an Organometallic Zn Precursor: Application to Photocatalytic NO2 Abatementcitations
- 2022Nano-Structuration of WO3 Nanoleaves by Localized Hydrolysis of an Organometallic Zn Precursor: Application to Photocatalytic NO2 Abatementcitations
- 2022The fate of tetrathionate during the development of a biofilm in biogenic sulfuric acid attack on different cementitious materialscitations
- 2022Interactions between hydrated cement pastes and aggressive ammonium: experimental batches characterizationcitations
- 2021Insights into the local interaction mechanisms between fermenting broken maize and various binder materials for anaerobic digester structurescitations
- 2021Laboratory Test to Evaluate the Resistance of Cementitious Materials to Biodeterioration in Sewer Network Conditionscitations
- 2021Laboratory test to evaluate the resistance of cementitious materials to biodeterioration in sewer network conditionscitations
- 2020Nitrate and nitrite reduction activity of activated sludge microcosm in a highly alkaline environment with solid cementitious materialcitations
- 2019Influence of dissolved aluminum concentration on sulfur-oxidizing bacterial activity in the biodeterioration of concretecitations
- 2019Evaluation of microbial proliferation on cementitious materials exposed to biogas systemscitations
- 2019A critical review on the effect of organic acids on cement-based materialscitations
- 2018Evaluation of the resistance of CAC and BFSC mortars to biodegradation: laboratory test approachcitations
- 2018Evaluation of the resistance of CAC and BFSC mortars to biodegradation: laboratory test approachcitations
- 2017Biodeterioration of concrete in agricultural, agro-food and biogas plants: state of the art and challengescitations
- 2017Biodeterioration of concrete in agricultural, agro-food and biogas plants: state of the art and challengescitations
- 2016Mechanisms of cementitious material deterioration in biogas digestercitations
- 2016Innovative approach to simulating the biodeterioration of industrial cementitious products in sewer environment. Part II: Validation on CAC and BFSC liningscitations
- 2016Determination of the performance and damage to asphalt of bio-sourced asphalt release agents (ARAs) part I: developing test methodscitations
- 2015Understanding interactions between cementitious materials and microorganisms: a key to sustainable and safe concrete structures in various contexts (vol 47, pg 1787, 2014)citations
- 2015Accelerated test design for biodeterioration of cementitious materials and products in sewer environmentscitations
- 2015Biodeterioration of cementitious materials in biogas digestercitations
- 2014Understanding interactions between cementitious materials and microorganisms: a key to sustainable and safe concrete structures in various contextscitations
- 2011A new test method to assess the bacterial deterioration of cementitious materialscitations
- 2011Deterioration of cementitious materials by organic acids in agricultural effluents: experiments and modelling
- 2009Processing of electron microprobe data from the analysis of altered cementitious materialscitations
- 2004Cement pastes alteration by liquid manure organic acids: chemical and mineralogical characterizationcitations
Places of action
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article
Evaluation of the resistance of CAC and BFSC mortars to biodegradation: laboratory test approach
Abstract
Biodeterioration of cementitious materials in sewer networks is a major concern for health and economic reasons. Essentially, it is due to the biological oxidation of H2S into H2SO4 leading to a local progressive dissolution of the cementitious matrix and the precipitation of expansive products likely to provoke cracks. However, it is widely known that CAC has a better performance in such environments but the mechanisms are not very well understood. Nevertheless, previous studies focused mainly on measuring the mass loss of the specimens accompanied with little information on the chemical alteration of the cementitious matrix. This study aims to compare the performance of CAC and BFSC mortars in sewer conditions using laboratory test (BAC-test). Leaching kinetics were evaluated by concentrations measurements of cementitious cations in the leached solutions and of sulphate production by the microorganisms. Moreover, SEM observations coupled with EDS analyses allowed the identification of the chemical alteration of the cementitious matrix.