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www.asa-inc.org.auconnectionsMarch1405SCEMaterialsandRecyclinghasdevelopedthisinnovativeproducttoprimarilymeetRMSQualityAssuranceSpecicationR73CONSTRUCTIONOFPLANTMIXEDHEAVILYBOUNDPAVEMENTCOURSE.ER-MB20consistspredominantlyofElectricArcFurnaceslagEAFSwhichisblendedwithcoalcombustionproductsrecycledcrushedconcreteandrecycledbrecementboardalongwithastabilisingbinder.ThroughthoroughtestingandeldtrialsEAFSandtheotherrecycledmaterialsincorporatedintheER-MB20blendprovedtobeahighqualityeasilyplacedandcompactedalternativetonaturallysourcedheavilyboundpavementmaterials.Todatemorethan15000tonnesofthisnewproducthasbeencertiedandsuppliedintothecivilconstructionindustryincludingRMSandLocalGovernmentauthorities.Ithasreceivedpositivefeedbackregardingworkabilityproductperformanceeaseofcompactionandabilitytosustainrepeatedloadingsoonaftercompaction.TechnicalMDDMaximumDryDensity2.15tm3MWDMaximumWetDensity2.45tm3OMCOptimumMoistureContent14.0CBRCaliforniaBearingRatio100PIPlasticityIndexNonPlasticUCSUnconnedCompressiveStrength3.0MPaMisshapenParticlesparticleshapebyproportionalcalliper100kNWetDryVariation100PIPlasticityIndexNonPlasticUCSUnconnedCompressiveStrength3.0MPaMisshapenParticlesparticleshapebyproportionalcalliper100kNWetDryVariation