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USE OF INDUSTRIAL BY-PRODUCTS IN ROAD CONSTRUCTION - WATER QUALITY EFFECTS
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1997
Year
Groundwater QualityEngineeringLeachingEnvironmental Impact AssessmentCiria ReportWater Quality ManagementMineral ProcessingEnvironmental Quality ManagementRoad Pavement FoundationsWater TreatmentSolid Waste PollutionWater Quality EffectsEnvironmental QualitySoil ContaminationWater QualityGroundwater PollutionReclaimed MaterialsWaste ManagementWater UtilityEnvironmental EngineeringCivil EngineeringEnvironmental RemediationRecyclingConstruction Engineering
In this CIRIA report, industrial by-products and reclaimed materials used in road pavement foundations and earthworks were investigated for likely contamination of groundwater and surface water. By-products that are already used, or could be used in the construction of roads include: black top planings, cement kiln dust, China clay sand, brick rubble, crushed concrete, blast furnace slag (BFS), basic oxygen steel (BOS) slag, electric arc furnace (EAF) steel, minestone spoil, municipal solid waste, incinerator ash, PFA, rubber crumb, spent oil shale. Laboratory tests were carried out to determine leaching behaviour and the possible consequences of using by-products for water quality. in addition the testing procedures developed during the course of the study and outlined in this report provide a methodology for further research on other materials and combinations of the materials not analysed here.