Alexandra Bertron
YOU?
Author Swipe
View article: Preservation of the protective function of calcium aluminate-based coating against biodeterioration in presence of cracks
Preservation of the protective function of calcium aluminate-based coating against biodeterioration in presence of cracks Open
The durability of wastewater treatment plants has been a major concern for decades due to their significant economic and health importance. Structures built with concrete are subject to severe deterioration linked to aggressive chemical an…
View article: Biodeterioration of asbestos cement using Lacticaseibacillus paracasei: A pre-treatment for sustainable waste management
Biodeterioration of asbestos cement using Lacticaseibacillus paracasei: A pre-treatment for sustainable waste management Open
Despite asbestos bans in many industrialized countries, asbestos cement (AC) waste remains widespread, mostly landfilled due to high neutralization costs. This study evaluates biochemical treatment to reduce asbestos cement mass through ma…
View article: Efficiency of the Coriolis µ Air Sampling Device for Fungal Contamination Analysis of Indoor Air: A Case Study
Efficiency of the Coriolis µ Air Sampling Device for Fungal Contamination Analysis of Indoor Air: A Case Study Open
Molds are frequent indoor contaminants, where they can colonize many materials. The subsequent aerosolization of fungal spores from moldy surfaces can strongly impact indoor air quality and the health of occupants. The investigation of fun…
View article: Field measurements of galvanic anode cathodic protection of reinforced concrete systems in marine environment: Influence of water level and biofilm
Field measurements of galvanic anode cathodic protection of reinforced concrete systems in marine environment: Influence of water level and biofilm Open
Corrosion of steel in concrete is one of the major deterioration mechanisms for reinforced concrete (RC) structures such as floaters of floating offshore wind turbines (FOWTs). As these are vital components of FOWTs, addressing corrosion i…
View article: Performance of Sewer Concretes with Calcium Sulpho-Aluminate Cement and Portland Cement Blends: Field and Laboratory Studies
Performance of Sewer Concretes with Calcium Sulpho-Aluminate Cement and Portland Cement Blends: Field and Laboratory Studies Open
This paper discusses the performance of calcium sulpho-aluminate (CSA) cement and a Sulphate-Resisting Portland Cement (SRPC) with a fly ash (FA) additive (i.e., a SRPC + FA binder system) in a ‘live’ sewer environment; it deepens the unde…
View article: Effect of test related factors on the degradation of cement-based materials on acetic acid exposure
Effect of test related factors on the degradation of cement-based materials on acetic acid exposure Open
Exposure of concrete to various acids can hardly be overstated due to the widespread use of concrete in the construction industry. The effect of selected factors on the degradation of ordinary Portland cement (OPC 53 grade) paste and morta…
View article: Chemo-mechanical characterization of a low-pH model cement paste in magnesium bearing environment
Chemo-mechanical characterization of a low-pH model cement paste in magnesium bearing environment Open
International audience
View article: Comparison of Photocatalytic Biocidal Activity of TiO2, ZnO and Au/ZnO on Escherichia coli and on Aspergillus niger under Light Intensity Close to Real-Life Conditions
Comparison of Photocatalytic Biocidal Activity of TiO2, ZnO and Au/ZnO on Escherichia coli and on Aspergillus niger under Light Intensity Close to Real-Life Conditions Open
Microbial contamination of the surface of building materials and subsequent release of microbial particles into the air can significantly affect indoor air quality. Avoiding the development or, at least, reducing the quantity of microorgan…
View article: Tio2 Photocatalytic Biocidal Activity on Escherichia Coli and On Aspergillus Niger under Different Methodological Conditions
Tio2 Photocatalytic Biocidal Activity on Escherichia Coli and On Aspergillus Niger under Different Methodological Conditions Open
International audience
View article: Fungal Contamination of Building Materials and the Aerosolization of Particles and Toxins in Indoor Air and Their Associated Risks to Health: A Review
Fungal Contamination of Building Materials and the Aerosolization of Particles and Toxins in Indoor Air and Their Associated Risks to Health: A Review Open
It is now well established that biological pollution is a major cause of the degradation of indoor air quality. It has been shown that microbial communities from the outdoors may significantly impact the communities detected indoors. One c…
View article: Nano-Structuration of WO3 Nanoleaves by Localized Hydrolysis of an Organometallic Zn Precursor: Application to Photocatalytic NO2 Abatement
Nano-Structuration of WO3 Nanoleaves by Localized Hydrolysis of an Organometallic Zn Precursor: Application to Photocatalytic NO2 Abatement Open
WO3 is a known photocatalytic metal oxide frequently studied for its depollution properties. However, it suffers from a high recombination rate of the photogenerated electron/holes pair that is detrimental to its performance. In this paper…
View article: Chemical and Microstructural Properties of Designed Cohesive M-S-H Pastes
Chemical and Microstructural Properties of Designed Cohesive M-S-H Pastes Open
Concretes can be exposed to a magnesium attack in several environments leading to the formation of magnesium silicate hydrates (M-S-H) and brucite (MH). The formation of M-S-H is likely to alter the properties of the cement matrix because …
View article: Interactions between hydrated cement pastes and aggressive ammonium: experimental batches characterization
Interactions between hydrated cement pastes and aggressive ammonium: experimental batches characterization Open
Agricultural and food industries concrete facilities face chemically aggressive conditions that can damage their microstructure and reduce their lifespan. They are particularly exposed to ammonium-rich environments from natural microbial a…
View article: Laboratory Test to Evaluate the Resistance of Cementitious Materials to Biodeterioration in Sewer Network Conditions
Laboratory Test to Evaluate the Resistance of Cementitious Materials to Biodeterioration in Sewer Network Conditions Open
The biodeterioration of cementitious materials in sewer networks has become a major economic, ecological, and public health issue. Establishing a suitable standardized test is essential if sustainable construction materials are to be devel…
View article: A critical review on the effect of organic acids on cement-based materials
A critical review on the effect of organic acids on cement-based materials Open
Ingression of acids into concrete structure arrests its long-term durability by the progressive degradation of the highly alkaline cementitious materials. Acid attack results in the decalcification of hydration products leading to higher i…