Florent Gauvin

Florent Gauvin
Eindhoven University of Technology | TUE · Department of Built Environment

PhD

About

41
Publications
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460
Citations

Publications

Publications (41)
Article
Full-text available
Nanofilters made with high adsorption freeze-dried modified cellulose nanofiber (CNF) aerogel were produced. The modification was made using functional groups containing phthalimide, and then their ability to adsorb particulate matter (PM) was evaluated and compared with the control filter (HEPA). The results showed that the highest adsorption of P...
Conference Paper
The use of fibres as reinforcement of 3D printed concrete is widely known and applicable in many situations. However, most of the applied fibres are not produced from renewable resources. Natural fibres are commonly considered as an ecological alternative for these fibres. In order to contribute to improvement of the sustainability of 3D printed co...
Article
Full-text available
Natural fibres are regarded as a potential bio-based alternative to traditional fibre material used in cement-based composites. A well-known complication of natural fibres is their instability the alkaline cement environment, which causes degradation. This work presents a study of mechanical performance, microstructure, and composition of coir fibr...
Article
Full-text available
Cellulose aerogel is an advanced thermal insulating biomaterial. However, the application of cellulose aerogel in thermal insulation still faces critical problems, for instance, the relatively low strength and large pore size without Knudsen effect. In this study, a silica areogel made from olivine silica rather than traditional tetraethoxysilane o...
Conference Paper
Full-text available
This research aims to study mycelium-based composites (MBC) by assessing their performance as foam-like wall insulation material. Various substrates have been selected to get optimized performance of the composite. Results showed that a prolonged growing period arose a denser mycelium outer layer in MBC, which rendered better water resistance due t...
Conference Paper
Full-text available
The use of fibres as reinforcement of 3D printed concrete is widely known and applicable in many situations. However, most of the applied fibres are not produced from renewable resources. Natural fibres are commonly considered as an ecological alternative for these fibres. In order to contribute to improvement of the sustainability of 3D printed co...
Conference Paper
The increasing CO2 concentration in the atmosphere has been identified as a major cause of global warming. Cellulose nanofibers (CNFs) has recently gained huge attraction due to their unique characteristics including, high specific surface area, high aspect ratio, biodegradability, large availability and a lot of hydroxyl groups at the surface whic...
Article
Full-text available
Due to the requirement for developing more sustainable constructions, natural fibers from agricultural wastes, such as coir fibers, have been increasingly used as an alternative in concrete composites. However, the influence of coir fibers on the hydration and shrinkage of cement-based materials is not clear. In addition, limited information about...
Article
The aim of this study is to investigate the feasibility of applying super-hydrophobic slag (s-slag) to reduce the autogenous shrinkage and enhance resistance to carbonation of alkali-activated slag (AAS). The s-slag is produced by milling slag with stearic acid. The influence of the s-slag on the wetting behaviour is characterized by the water cont...
Article
Full-text available
In this paper, we report the performance of paper pulp as an innovative viscosity modifying admixture (VMA) for cement composites. Two different levels of fineness were obtained by mechanical milling of the same source of paper pulp. Their effects on viscosity modification, hydration kinetics, autogenous shrinkage, and compressive strength of cemen...
Article
Full-text available
As an emerging alternative cementitious binder, alkali activated slag (AAS) is gaining great attention, but considerable shrinkage caused by alkali activation and drying limit its potential applications. Herein, we demonstrate that the addition of an environmentally benign biofilm, cultured from B. subtilis, mitigates both the autogenous and drying...
Article
Full-text available
The self-cleaning performance of photocatalytic cement paste is related to the dispersion of nano-TiO2 in the hardened matrix. This work aims to study the influences of Portland cement hydration on the self-cleaning behaviour of acidic anatase TiO2 hydrosol modified hardened Portland cement paste (HPCP), and the working mechanisms. The presence of...
Article
Full-text available
This paper focuses on the functionalization of heterogeneous and highly contaminated waste material, namely bottom ashes (BA) with a particle size < 125 μm that cannot be recycled with conventional treatments. The main goal of this study is to modify this waste into a valuable material that can be used in various applications, especially in the bui...
Article
Full-text available
Natural adsorptive materials are mainly based on physical adsorption and have limited adsorption capacity. Artificial adsorptive aggregates lead to great potential in improving water quality for water treatment. This study aims to develop a porous and sustainable adsorptive aggregate combining both chemical and physical adsorption capacities. Indus...
Article
Full-text available
h i g h l i g h t s The stable nanodispersed anatase TiO 2 particles are synthesized in hydrosol form. The TiO 2 hydrosol-based coating presents a much better self-cleaning performance than that of P25 suspension. The TiO 2 hydrosol-based coating shows excellent air purification properties. a b s t r a c t The strong agglomeration potential and poo...
Article
Full-text available
The purpose of this study is to investigate the adsorption characteristics of granular aggregates under identical experimental conditions for potential applications in highly adsorptive concrete. In this study, industrial by-products (steel slag), lightweight aggregates (expanded silica) and bio-materials (peach shell and miscanthus) are used for p...
Article
Full-text available
Nowadays, the substitution of the traditional reinforcements of cement-based composite materials by natural fibres is more and more common. However, some problems remain, mostly because the addition of natural fibres to cement can delay its hydration due to the high concentration of polysaccharide in the fibres’ leachates. Many studies have shown t...
Article
Full-text available
Nowadays, the recycling potential of wood waste is still limited and in a resource cascading approach, recycling wood waste in cement composite materials, such as wood wool cement board (WWCB) appears as a promising solution. The quality of the wood waste is the main factor leading to the instability of the final product which can affect the mechan...
Article
A novel process of using phthalimide to modify cellulose nanofibers (CNF) for CO2 adsorption was studied. The effectiveness of the modification was confirmed by ATR-IR. Phthalimide incorporation onto CNF was confirmed with the characteristic peaks of NH2, C-N, and ester bonding COO- was observable. The XPS analyses confirmed the presence of N1s pea...
Article
In this study, a method to prepare water-resisting mortars by incorporating hydrophobic incineration ashes is reported. Bottom ash is the by-products of municipal solid waste incineration with limited recycling options due to harmful contaminants. To decrease the environmental risk of bottom ash and provide an economical and green route to reuse it...
Article
Full-text available
Wood-wool cement boards (WWCB) are a type of cement/fibre composite using wood strands as reinforcement. When lignocellulosic materials such as wood are mixed with cement, polysaccharides can leach out and negatively affect the cement hydration. Thus, the WWCB industry has to face those problems , which can cause significant problems during the man...
Article
Full-text available
Wood-wood cement boards (WWCB) have been extensively used as ceiling tiles or insulating walls thanks to their good thermal and acoustic properties. Nowadays, the trend is to use sustainable materials like waste fibres. These waste fibres are widely available at a low cost and despite their good properties, are usually landfilled or incinerated. Am...
Chapter
The growing concern over the environment raises the question of biodegradability and renewability in numerous fields, including materials and energy. Therefore, industries and researchers focus more on the development of biomaterials generated from natural sources. In this context, proteins and their unique properties made them ideal candidates to...
Article
Nowadays, the incineration of municipal solid waste (MSW) is widely applied, as it reduces the waste 90% by volume and 80% by mass. The main by-product coming from the MSW incineration is bottom ash (BA). Despite numerous studies concerning the uses of this by-product in the construction field, BA is not widely applied because of two main concerns:...
Article
Full-text available
This study focuses on the effect of the morphology and the pore structure of two different porous substrates, namely wood-wool cement board (WWCB) and autoclaved aerated concrete (AAC), on the air pollutant removal efficiency by photocatalytic oxidation (PCO). Their rough surface and porous structure make them appealing choices for nitric oxide (NO...
Article
Full-text available
Graphene, which is a one atom thick layer of graphite, has been considerably studied in the past decade due to its extraordinary physical properties. The development of new routes of synthesis facilitates the use of graphene in polymer nanocomposite. The addition of very small amounts (<1%) of graphene in a polymer matrix does not only increase its...
Article
In wood wool cement composites, the influence of natural fibres is the main factor leading to the instability of the final product. During the manufacture, small variations in wood properties result in inhomo-geneous density and strength of the boards. Among the accountable factors, the hygroscopic behaviour of the wood can deeply affect the cement...
Conference Paper
Full-text available
Wood wool cement boards (WWCB) have been commonly used in Europe for their good thermal and sound insulation. In the processing of WWCB, spruce wood or poplar wood are almost the only natural fibres used thanks to their good compatibility with cement. Biomass natural fibre wastes are widely available for a low cost and would be a more sustainable a...
Conference Paper
Full-text available
The corrosion of reinforcing steel is often a problem in concrete structures, especially in regions with extreme weather. Strengthening and rehabilitation of infrastructures are then mandatory and polymer nanocomposites (PNC) are the best candidate to improve this problem. However, only a few studies have been conducted on the long-term stability a...
Article
Recently, the use of natural fibres as a sustainable alternative for reinforcements in cement-based materials has increased significantly. However, these lignocellulose fibres containing saccharides can have important retarding effects on cement hydration. The objective of this study is to characterise the effect of different organic compounds pres...
Article
Full-text available
This research is intended to improve the interface between the fibers and the matrix and limit water absorption of bio-based material thereby decreasing degradation of the composites when they are exposed to external environment such as high temperature and humidity. In this study, flax fibers were treated with an organic surface coating containing...
Conference Paper
Full-text available
This study focuses on the air pollutant removal efficiency of different photocatalytic substrates that can be used in indoor conditions, namely WWCB, ceiling tiles, glass panel and wallpaper. The NO removal efficiency of these activated substrates are measured following the ISO 22197-1 standard. To enhance the pollutant removal efficiency under vis...
Conference Paper
Full-text available
Waste fibres are perceived as an environmentally friendly substitute to spruce wood for the production of cement composites like wood wool cement boards, due to their wide availability, low cost, easy processing and eco-friendly image. Organic fibres as a composite material are a challenging subject to study due to its microstructure and chemical c...
Technical Report
Full-text available
A fully biobased composite material, composed of bamboo fibers and a nanoparticle-reinforced bio-epoxy matrix, exhibits improved mechanical properties
Article
This study investigates the improvement of the interface between bamboo fibers (BF) and a bio-based epoxy polymer by coating the surface of BF with nanoparticles. Unidirectional BF bundles were dip-coated with three different types of coating: bio-based epoxy, bio-based epoxy containing silanized silica fume, and bio-based epoxy containing starch n...
Thesis
Full-text available
Depuis des années, les polymères renforcés de fibres (PRF) sont de plus en plus utilisés, notamment dans le domaine du génie civil. Ces matériaux composites sont rigides, tenaces, légers et ils sont inertes face à la corrosion électrochimique, ce qui en fait d’excellents candidats pour de nombreuses applications, par exemple comme barres d’armature...
Article
Basalt fiber reinforced composites are innovative materials which may be used as an alternative to glass fiber-based composites in civil engineering applications. They exhibit high temperature resistance, corrosion resistance, low cost and excellent mechanical properties. However, according to previous studies, weak interfaces between the basalt fi...
Conference Paper
Full-text available
Renewable materials have received a full attention in many applications because they are directly derived from earth and their degradability. Natural fiber reinforced composites are innovative materials, renewable and also light in weight which make them a good candidate in bio-based polymer composites research and development field. It also increa...

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Projects

Projects (5)
Project
Using waste organic materials to create new material (cement-fibre composite) and testing their properties.
Project
The project aims to enhance the photo-catalytic oxidation of pollutants by studying : -The influence of the substrate (i.e. the building material which is coated by the photo-catalyst) and how its physical properties (porosity, surface area, roughness) can affect the depollution process. -The durability of the photo-catalytic oxidation process, both in indoor and outdoor conditions. -The CFD modeling of the photo-catalytic oxidation process in order to have a better understanding of the pollutant/substrate interactions