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  • Mario Marchetti
Mario Marchetti

Mario Marchetti
Université Gustave Eiffel · Laboratoire Formulation, Microstructure, Modélisation et Durabilité des Matériaux de Construction (FM2D)

Ph D, HDR

About

90
Publications
21,729
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Citations
Introduction
Mario Marchetti currently conducts his research at Université Gustave Eiffel - IFSTTAR. His research fields are Materials Science, sustainable materials, and Aerospace Engineering and Engineering Physics. His current projects are related to sustainable materials, materials ageing, using data science tools such multivariate data analysis (PCA, PLS, MCR) and vibrational spectroscopy (Raman spectroscopy, FFT IR, ...) and infrared thermography.
Additional affiliations
September 2003 - November 2014
Ministère de l'Écologie, du Développement durable, des Transports et du Logement
Position
  • Researcher

Publications

Publications (90)
Article
Full-text available
Surfactants based on polyfluoroalkyl ethers are commonly used in fire-fighting foams on airport platforms, including for training sessions. Because of their persistence into the environment, their toxicity and their bioaccumulation, abnormal amounts can be found in ground and surface water following the operations of airport platforms. As with many...
Preprint
Full-text available
Surfactants based on polyfluoroalky ethers are commonly used in fire-fighting foams on airport platforms, including for training sessions. Because of their persistence into the environment, their toxicity and their bioaccumulation, abnormal amounts can be found in ground and surface water following operations of airport platforms. As many other ant...
Conference Paper
Full-text available
Soil samples representative of a variability panel in forest soils in the Czech Republic were collected in different locations and depths (down to 80 cm) to identify and to quantify different mineral phases within the soil profile. The objective was to account for weathering processes within different soil horizons and depths, to reach a better des...
Article
Fieldwork was conducted on 138 energy efficient buildings, to check if building site practices induced exposure to weather of thermal insulation. In nearly 80% of cases, insulation was exposed to weather due to insufficient protection. Therefore insulating wools were exposed, divided into three parts (control, exposure under shelter, exposure to we...
Article
In a costs reduction and comfort requirements context, the use of phase change materials (PCM) is a sustainable and economical answer. For transportation infrastructures and winter maintenance, they avoid ice occurrence or snow accumulation. Their characteristics, and more specifically, the solid to liquid phase transition temperature and enthalpy,...
Article
For years, some work has been undertaken on the traffic heat issue input in the Town Energy Balance (TEB). It has been the subject of many studies related to the summer period and urban heat islands topic. However, during winter conditions, the traffic energy input was marginally integrated into the modeling of the road surface parameters. This def...
Article
Aircrafts and runways de-icing operations with anti-icing fluids are still the most commonly used methods, in spite of their environmental impacts and associated costs. Once applied, these fluids are diluted because of adverse weather water inputs, conducting to a freezing point getting closer to 0 °C. The characterization of their freezing points...
Conference Paper
Full-text available
Recent studies have shown a high flood risk exposure in France. It represents and almost one fourth of the total population and a third of jobs. In this context, a global vulnerability assessment methodology is currently elaborated and evaluated in France to bring adequate tools for flood risk management. This study raises the question of the quant...
Article
Snowfall forecasts help winter maintenance of road networks, ensure better coordination between services, cost control, and a reduction in environmental impacts caused by an inappropriate use of de-icers. In order to determine the possible accumulation of snow on pavements, forecasting the road surface temperature (RST) is mandatory. Weather outsta...
Conference Paper
Full-text available
If de-icers still are the main solution to avoid black ice occurrence and snow accumulation on pavements, some alternatives based on transportation infrastructure modifications have been tested over the past years. They aim at the reduction of environmental impacts and at coping with budgets constraints and cuts, including in winter maintenance. Am...
Conference Paper
Full-text available
Recent studies have shown that the national flood risk exposure is high in France, with one fourth of the total population and a third of jobs located in risk areas. In this context, a global vulnerability assessment methodology is currently being developed in France to bring adequate tools for local territories to manage flood risk. This study add...
Article
Full-text available
A forecast of the snowfall helps winter coordination operating services, reducing the cost of the maintenance actions, and the environmental impacts caused by an inappropriate use of de-icing. In order to determine the possible accumulation of snow on pavement, the forecast of the road surface temperature (RST) is mandatory. Physical numerical mode...
Conference Paper
Full-text available
To be in agreement with the 2007 European flood directive, the French government developed a new methodology called Multi-criteria Analysis (MCA) (MEDDE, July 2014) which integrates both tangible and non tangible damages by introducing new indicators (e.g., population exposed to flood or the number of employments protected by the project, etc.). F...
Data
A global vulnerability assessment methodology is currently being developed at the French national level to assist the national ood prevention strategy and to bring adequate tools for local territories to manage the ood risk. This vulnerability assessment is likely to be a list of quanti ed vulnerability indicators connected with the objectives of t...
Article
Full-text available
A forecast road surface temperature (RST) helps winter services to optimize costs and to reduce the deicers environmental impacts. Data fromroad weather information systems (RWIS) and thermalmapping are considered inputs for forecasting physical numerical models. Statistical models include many meteorological parameters along routes and provide a s...
Article
Fog conditions are the cause of severe car accidents in European western countries because of the poor induced visibility. Its occurrence and intensity are still very difficult to forecast for weather services. Furthermore, visibility determination relies on expensive instruments and does not ease their dissemination. Lately, it has been demonstrat...
Conference Paper
Full-text available
The mobility during winter season in France mainly relies on the use of de-icers, with an amount ranging from two hundreds thousands tons up to two millions tons for the roads only. Besides the economic impact, there are many concerns on their environmental and infrastructure, both on roads and on airports. In such context and in the framework of t...
Article
Road surface temperature forecast is a key component of winter maintenance strategy in many developed countries. Numerical tools exist to help road managers to organize services and consequently to trigger de-icing operations. Forecasting strategies have been commonplace since the 1980s, and often based on numerical models. Traffic is one of the in...
Article
Full-text available
Thermal mapping uses IR thermometry to measure road pavement temperature at a high resolution to identify and to map sections of the road network prone to ice occurrence. However, measurements are time-consuming and ultimately only provide a snapshot of road conditions at the time of the survey. As such, there is a need for surveys to be restricted...
Article
Fog conditions are the cause of severe car accidents in western countries because of the poor induced visibility. Its forecast and intensity are still very difficult to predict by weather services. Infrared cameras allow to detect and to identify objects in fog while visibility is too low for eye detection. Over the past years, the implementation o...
Article
Full-text available
Human activities are, more or less directly, responsible for increasing pollution in running waters, making this an important issue over the last decades and the ones to come. Many documents define a legal frame on the water pollutants underlying the importance of the surveillance of their presence in the environment. The difficulty in the surveill...
Article
Full-text available
A detention pond used for the treatment of road water runoff and the flow control was tested for deicing salt storage. To that purpose, samples were collected from the pond's water (influent entering the pond and effluent exiting the pond) and sludge. NaCl and heavy metals concentrations in those samples were measured. In parallel, meteorological c...
Article
Full-text available
Raman spectroscopy was used to analyze mixtures of urea and water in order to identify the influence of the urea concentration on the solution's freezing point. Our approach consisted in the analysis of urea aqueous solutions and the determination of their phase transitions at low temperatures. Hence, Raman spectra of these solutions were acquired...
Article
Full-text available
The knowledge of the infrared emissivity of materials used in buildings and civil engineering structures is useful for two specific approaches. First, quantitative diagnosis of buildings or civil engineering infrastructures by infrared thermography requires emissivity values in the spectral bandwidth of the camera used for measurements, in order to...
Article
Winter maintenance is based on the intervention of operating services, as well as the use of deicers. Each year, in France, thousands of tons of deicers are spread through runways and taxiways. On the airport sector, the main deicers are sodium or potassium acetates and formates. All these deicers aim to prevent ice formation (preventive strategy)...
Article
Road surface temperature forecast is a key component of winter maintenance strategy in many western countries. Numerous tools exist to aid road managers in organizing services and consequently triggering de-icing operations. Forecasting strategies have been common place since the 1980s, of which thermal mapping has been long established component t...
Article
Full-text available
The knowledge of the infrared emissivity of materials used in buildings, civil engineering structures and soils studies is useful for two specific approaches. Firstly, quantitative diagnosis of buildings or civil engineering infrastructures using infrared thermography requires the emissivity value of materials in the spectral bandwidth of the camer...
Conference Paper
Raman spectroscopy is nowadays a well established technique for the investigation of the molecular structure of a substance (solid, liquid or gas) through the study of its vibrational properties. This technique has been shown as particularly adapted for the characterization of water and aqueous solutions. The ERA 31 of the CÉTÉ de l'Est is developi...
Article
In winter maintenance, the application of road de-icing products on transport infrastructures is a common practice for road security. However, these products are transported from the roads into the surrounding environment by numerous factors (rain, wind, traffic, ...). The importance of monitoring their dissemination in the environment is demonstra...
Article
Full-text available
In order to avoid traffic disruption during winter, roads and airports are the subject of a specific maintenance based on the application of de-icing materials. Under the influence of weather conditions (wind, precipitations, ...), these chemicals are transported out of the roads and end up in the surrounding environment. In order to evaluate their...
Conference Paper
Full-text available
The paper is devoted to the abilities of Raman probe to detect simultaneously several salts diluted in water. It has shown that this probe can be used for in situ monitoring of pollutants in waste water.
Article
Fog situations induce an increase in both accident probability and severity. They constitue a significant part in accident rate. There is very few means to forecast fog, nor to appreciate its density, and its associated visibility decrease. An approach consists in developing on-board tools to qualify and to quantify the fog, and to improve the visi...
Article
Thermal mapping has been implemented since the late eighties to measure road pavement temperature along with some other atmospheric parameters to establish a winter risk describing the susceptibility of road network to ice occurrence. Measurements are done using a vehicle circulating on the road network in various road weather conditions. When the...
Article
Full-text available
Thermal mapping has been implemented since the late eighties to establish the susceptibility of road networks to ice occurrence with measurements from a radiometer and some atmospheric parameters. They are usually done before dawn during wintertime when the road energy is dissipated. The objective of this study was to establish if an infrared camer...
Article
Raman spectroscopy was used to study the liquid-solid water phase transition. Special attention was devoted to the OH-stretching band of the Raman spectrum, which shows monotonous changes in the temperature range between 10 and -15°C. The interpretation of this spectral change, as well as a careful analysis of its integrated scattered intensity, le...
Conference Paper
Full-text available
The paper is concerned by the abilities, reliability and accuracy of a Raman sensor used to detect NaCl in aqueous solution. In particular, we discuss the influence of the phosphate, sulfate and nitrate anions on the determination of the NaCl concentration.
Article
In this paper, Pulse Thermography analysis was applied to detect non emergent defects in asphalt concrete used for road pavements. Experimental and numerical experimentations were run on this specific heterogeneous material. Only experimental data acquired with an un-cooled microbolometer camera (less sensitive than a cooled one) were used. Data we...
Article
De nombreux outils de recherche en matière d'adhérence et de visibilité sont étudiés et développés dans le cadre de l'opération de recherche "Prévisions et alertes de situations météo-routières dégradées" (PALM) de l'IFSTTAR. Des outils doivent, à moyen ou long terme, fournir des aides à la décision aux gestionnaires, ou bien encore des aides à la...
Article
This work is devoted to the application of active infrared thermography to defect detection in pavement structures. The challenge is to localize and to determine some properties of defects (e.g. shape and depth) into a highly heterogeneous material. Experimental work was carried out in laboratory conditions using a pavement sample containing two de...
Article
Full-text available
Raman spectroscopy was used to study the NaCl aqueous solutions around the solid-liquid phase transition. Special attention was devoted to the modification induced by the salt on the OH stretching band of water. Investigations were carried out in the temperature range between -21 and 10 degrees C, for concentrations from 0 to 200 g/L. We demonstrat...
Article
Full-text available
We propose a new optical sensor to characterize the solid-liquid phase transition in salted solutions. The probe mainly consists of a Raman spectrometer that extracts the vibrational properties from the light scattered by the salty medium. The spectrum of the O-H stretching band was shown to be strongly affected by the introduction of NaCl and the...
Article
Full-text available
A numerical model designed to simulate the evolution of a snow layer on a road surface was forced by meteorological forecasts so as to assess its potential for use within an operational suite for road management in winter. The suite is intended for use throughout France, even in areas where no observations of surface conditions are available. It re...
Article
Infrared emissivity is a critical parameter for numerical models designed to predict surface temperature as well as road surface conditions, regardless of the meteorological context. This article will describe the development of a new device for indirect measurement of infrared surface emissivity. The surface is exposed to an isotropic, modulated i...
Article
Full-text available
L'émissivité infrarouge est un paramètre nécessaire pour les modèles numériques de prévision de la température ainsi que de l'état de surface quelle que soit la situation météorologique. Ce travail présente le développement d'un nouveau dispositif de mesure de l'émissivité infrarouge de surface par une méthode indirecte. La surface est soumise à un...
Conference Paper
Full-text available
Active infrared thermography has been used for the detection of sub surface defects in road materials. The step heating method was selected, and two different infrared cameras selected. Defects were detected with an heating phase as short as 60 seconds. Some images treatments were employed, and have been able to extract signal in spite of the poros...
Article
Infrared emissivity is a necessary parameter for computing models to predict road surface status and pavement temperature irrespective of the weather situation. In this work a new experimental device based on the indirect method was developed for the measurement of surface emissivities. The surface is exposed to modulated isotropic infrared radiati...
Article
Full-text available
Nanoparticles have been widely developed over the past ten years and have found several applications. This work presents the use of carbon nano-onions, i.e., nanoparticles, as a potential additive in an oil for aerospace application. The lifetimes were tested in ambient air and ultrahigh vacuum. Tribochemical products were characterized by micro Ra...
Conference Paper
Full-text available
In the future, roads will have to tell the drivers what they are, whatever the conditions are. The accent is specially put on on-board infrared vision so as to understand how weather phenomena can change the surface of the road (presence of ice, …). The determination of the emissivity is necessary to reach the road surface temperature. Some researc...