Overview
ABSTRACT
This study examines particulate emissions during the milling of road surfaces reinforced with fiberglass grids. Reinforcement results in a slight increase in particulate emissions below 100 nm, but a significant reduction in emissions of particles larger than the micrometer. Elemental analysis further reveals that particulate emissions from the reinforced road surfaces have a composition that differs from that of aggregates: with stronger components associated with grids - Ca and Mg - and/or milling machine teeth: Fe, S and to a lesser extent Mg. Finally, depending on the emission dynamics and wind direction, we observed an acute exposure of the driver.
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Read the articleAUTHORS
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Laurence LUMIERE : Senior Technician, Ministry of Sustainable Development - Laboratoire Environnement-Aménagement, Sécurité et Eco-conception (EASE), Gustave Eiffel University, Marne-la-Vallée, France
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Bogdan MURESAN : Research fellow at Gustave Eiffel University - Laboratoire Environnement-Aménagement, Sécurité et Eco-conception (EASE), Gustave Eiffel University, Marne-la-Vallée, France
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Erwann RAYSSAC : Senior technician, Ministry of Sustainable Development - Geomaterials and Environmental Interactions Laboratory (GIE), Gustave Eiffel University, Marne-la-Vallée, France
INTRODUCTION
The use of glass fiber grids is designed to enhance the mechanical behavior and durability of pavements ( to ). The addition of grids has many advantages. They often constitute only a tiny fraction of the mass of materials needed to build the pavement: around 1% ( to ). These grids would make it possible to refine road layers by several centimetres, thereby reducing the quantities of materials consumed and the associated transport (
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KEYWORDS
glass fibers | exposure | Road surface | milling operation | particulate emissions
Particulate emissions from the milling of reinforced road surfaces
Materials and methods
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