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Évaluation des risques environnementaux de déchiquetats de pneus dans des structures de génie civil

Abstract : The paper addresses different facets of the impact on the environment of tire shreds mixed with limestone sand. Pollution of water, impact on living species and risks associated with fire are considered. The risk of propagation of fire to the whole structure is limited to the first 5 cm layer. The tire-sand mixture and its fire residue are then evaluated for the risk of water pollution. The compounds release is evaluated thanks to three different tests (batch leaching test, column test, and lysimeter). The collected liquids are analysed considering more than 200 parameters, including concentration in metals and concentration in organic compounds (PAH, phenols, TPH…). Their toxicity is measured on two aquatic species: a bacteria and a small shellfish. The measurements are discussed and compared with previously published data as well as with the French regulations concerning groundwater water quality and use of tires in civil engineering applications. Finally, the results confirm that this application is not critical to the environment, with exception of fire residues, which are hazardous waste (due to soluble zinc content) and must be stabilised before landfilling.
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Submitted on : Thursday, September 6, 2018 - 3:11:50 PM
Last modification on : Friday, September 7, 2018 - 1:11:30 AM
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  • HAL Id : ineris-01869535, version 1



Pierre Hennebert. Évaluation des risques environnementaux de déchiquetats de pneus dans des structures de génie civil. Rapport Scientifique INERIS, 2015, 2014-2015, pp.44-45. ⟨ineris-01869535⟩



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