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CONTENTS1.Editorial2.MemberEmployeeProfle-DrJasonNairn3.QuickReerenceGuide3-SteelFurnaceSlag6.TheEarliestDaysoSlaginAustralia7.SteelCementPtyLtd60mUpgradeorSlagGrindingFacility8.ProjectReportUQLivingBuildingCooperativeResearchCentreorLowCarbonLivingallocates3.1millionoprojectundingornextthreeyears....9.ProjectReportInstallationoNewGrindingPlantFacilitiesProjectReportTheNorthernRoadOranParkUpgrade10.ConerenceUpdateConstructionMaterialsIndustryConerence201411.ConerenceGlobalSlag2014ConerenceExhibitionConerenceConcrete2015ResearchintoPractice12.ConerenceEUROSLAGEuropeanSlagConerenceKeepusandyourindustrycolleaguesConnectedwithyourCompanysactivitiesbysendingusanarticle14CONNECTIONSEDITORIALTEAMNovember2014EditionConnectionsispublishedbytheASATheAustralasianIronSteelSlagAssociationWollongongNSW2500Ph0242580160Fax0242580169Emailinoasa-inc.org.auWebwww.asa-inc.org.auExecutiveDirectorCraigHeidrichEditorOliviaYeatmanContributorsOliviaYeatmanCraigHeidrichDr.JasonNairnDougProsserJamesHowardMarcSmithandRobertCignarella.Connectionsisaquarterlypublicationwithanonlinecirculationo1500copiesasa_infoTHISISSUEWithanotheryearalmostgone2014hasbeenayearofpositivedevelopmentsformembersoftheAustralasianironsteelSlagAssociation.WithanumberofkeymemberprojectstakingplaceincludingtheinstallationofnewGrindingPlantfacilitiesinPortKemblaNSWandPortMelbourneVICtheOranParkroadupgradecoupledwiththerecent3.1millionresearchprojectannouncementbytheCooperativeResearchCentreforLowCarbonLiving-thiscontinuedinvestmentdemonstratesacommitmenttofurtheringthebenecialoutcomesassociatedwiththeuseofironandsteelslagsISS.Inthiseditionwere-introduceDrJasonNairnNationalTechnicalManagerforBoralCementwhohasbeenwelcomedbacktotheAssociation.Assomeonewhohasworkedwithintheconstructionmaterialsindustrycontinuouslyover25yearshisMemberEmployeeProleistestamenttohisdiverseandlong-standinginterestinISS.ImportantlytheRoadsGuideReviewProjecthascontinuedtoprogressthroughout2014withthepublicationofQuickReferenceGuide3SteelFurnaceSlagwhichhasbeenprovidedasaninsertinthiseditionofConnections.ManythankstotheauthorswhohaveEditorialworkedhardtodrivethisprojectparticularlythecontentdevelopmentwiththeirfocusnowturningtoQuickReferenceGuide4ElectricArcFurnaceSlagin2015.GiventhatthisproductismoreofaspecialityAssociationMembersareencouragedtobecomeinvolved.IntermsofindustryeventstheAustralasianironsteelSlagAssociationattendedtheConstructionMaterialsIndustryConferenceCMIC2014providingimportantnetworkingandmembergenerationopportunities.LookingforwardthereareanumberofconferencesonthehorizonwiththeGlobalSlagConferenceinDecember2014andEuroSlaginOctober2015.OneofthepredominantAustralianindustryconferencesConcrete2015willtakeplaceon30August-2September2015atthePullmanAlbertParkMelbournewithafocusonResearchintoPractice.MembersareencouragedtoattendandsupporttheirindustryrepresentativesandwelookforwardtoseeingyouthereOnanalnotetheAssociationwouldliketowishitsmembersandtheirfamiliesasafeandhappyChristmas.Wearelookingforwardtoworkingwithyouin2015.Vol12Issue2November2014connectionsNovember1401 MEMBEREMPLOYEEPROFILEDRJASONNAIRNJasonNairnhasrecentlyjoinedBoralCementasNationalTechnicalManager.Thisisakeyseniormanagementpositioninthecompanywhichsuppliescementitiousmaterialgroundgranulatedblastfurnaceslagyashlimelimestoneandawiderangeofconstructionmaterials.Jasonisresponsibleforadvisingonrelevantproductandprocesstechnologiesproductdevelopmentandliaisonwithindustryandmajorcustomers.WhatdoyouseeasthekeybeneftsthatcanbeobtainedbyusingGroundGranulatedBlastFurnaceSlagGGBFSasaSupplementaryCementitiousMaterialSCMinthemanuactureoconcreteIhavehadover25yearsofcontinuousinvolvementinthemanufactureoruseofslagsincegraduatingfromUniversity.AftercompletingmyundergraduatedegreeinMetallurgyatTheUniversityofQueenslandUQIhadtheopportunitytoworkwithMountIsaMinesMIMfrom1988to1991onoptimisingtheoperationofablastfurnacethroughimprovementsinthemanufactureofthesinterandresultantslag.Thiswasaco-operativeprojectbetweenSmeltingResearchMIMandPyrometallurgicalResearchUQ.Theprojectinvolvedbothon-siteexperimentalworkatMountIsaaswellasaresearchprogramatUQandwasofaninterdisciplinarynaturewithresearchbeingundertakeninmineralogyprocessmetallurgysolidicationcrystalgrowthandchemicalengineering.From1998to2003theQCLGroupofCompaniesnowpartofCementAustraliaemployedmeastheProductDevelopmentManagerwhereIwasresponsibleforthedevelopmentimplementationandmanagementofproductandprocessdevelopmentactivitiesthroughoutthegroup.ThisinvolvedinvestigationsintotheuseofGranulatedBlastFurnaceSlagGBFSinthemanufactureofGGBFSasanSCMforconcreteincludingworkwithAustralianSteelMillServicesASMSaimedatinvestigatingandimprovingthegranulationprocessandtheresultantgranulate.From2003to2007IwasemployedbySunstateCementLtdatacementmillingfacilityatFishermanIslandsWynnumastheProductionandTechnicalManagerresponsiblefortheProductionandLaboratoryDepartments.TheuseofGBFSwaskeytotheproductionofarangeofblendedcementsdevelopedforthemarketwithitsinclusioninGeneralBlendforgeneralconstructionLowHeatformassconcreteRoadBlendforstabilisationandSpecialPurposefordurableconcrete.From2012IworkedwithAECOMPtyLtdasaTechnicalDirectorintheroleofTeamLeaderfortheAdvancedMaterialsGroupinQueensland.Akeypartofthisrolewassupplyingconcretetechnicaladviceonrawmaterialsmixdesignsdurabilityplanningandconstructionmanagement.TheuseofGGBFSaspartofthecementitiousblendwascommonlyspeciedtoensurethatinfrastructuredesignedorconstructedmettherequireddurabilityrequirements.DuringmytimeatSunstateCementLtdIwasinvolvedwiththeASAandlookforwardtorejoiningthisinuentialindustrybodyandthesubsequentdiscussionsthatwillfollow.WhathasbeenyourinvolvementintheconstructionmaterialsindustryandexperiencewithslagTheuseofGroundGranulatedBlastFurnaceSlagGGBFSincementblendsprovidessignicantperformanceanddurabilityimprovementstoawiderangeofconcretematerialswhilealsoprovidingenvironmentalandeconomicbenets.ForexampletheGGFBSprovidescementblendswithalowerheatofhydrationwhichcanbeusedtoreducetheriskoflongtermdegradationfromDelayedEttringiteFormationDEFandcrackingbyreducingthepeakanddifferentialtemperaturesoccurringinearlyagecuringofmassconcrete.ConcreteformarineapplicationscontainingGGBFSalsohaveincreasedresistancetochlorideingressprovidingeffectiveandcostefcientlongtermprotectiontounderlyingreinforcement.www.asa-inc.org.au02connectionsNovember14 3QuickReferenceGuide32014SteelFurnaceSlagTYPICALAPPLICATIONSAdvantagesoeredbySFSincludetheavailabilityoffreelimewhichhasbeenrecognisedwiththedevelopmentofself-cementingheavydutypavements.UnconnedcompressivestrengthUCS5MPahasbeenachievedat28days.AlsoasatoughdurablematerialSFShasexcellentskidresistancepropertiesmakingitanidealaggregateforpavementsurfacingapplications.ResistancetoruttingmakesSFSparticularlyapplicableforheavilytrackedcornersandstoppingzones.TypicalusesforSFSareSealingasphaltaggregatePavementbaseandsub-baselayersEngineeringconstructionSub-soildrainageThemaintypicalapplicationsfortheuseofSFScomeunderthefollowingspecicationsasshowninTable2belowASPHALTSFShasmanypropertiesthatmakeitsuitableforuseinasphalt.Itisaharddensedurableandwell-shapedaggregatethathasastronganityforbitumen.Theskidresistanceandanti-polishingpropertiesmakeitanidealaggregateforasphaltsurfacingincludingopengradedensegradeandstonemasticasphalt.AsSFSmaycontainsmallamountsofpotentiallyexpansiveproductssuchasburntlimeanddolomitesucientmoistureandtimemustbeprovidedtoenablehydrationofthesematerialstoavoidexpansion.PAVEMENTSENGINEERINGBoundSteelSlagPavementsTheworkingtimeforaboundpavementistypicallythetimemeasuredfromthecommencementofblendingthebindertothematerialtobeboundtothecompletionofthecompactionoftheboundmaterialwithinthepavement.TheuseofmaterialINTRODUCTIONSteelfurnaceslagSFSistheco-productofthebasicoxygensteelmakingprocessBOS.Theslagisremovedfromthevesselaftertheexothermicrenementofmoltenironandrecycledsteelinthepresenceofuxesandoxygen.SFSisaco-productoftheconversionprocessofmoltenirontosteelinabasicoxygensteelmakingwithinanintegratedsteelworks.Achemicalreactionoccurswithinthevesselaftertheoxygenlanceisloweredaprotectiveslaglayerformswiththeadditionoflime.Whenthereactionhasbeencompletedthesteelandslagareseparatedandmoltenslagispouredintopitswheretheslagiscooledwithwaterspraysbeforehaulageforprocessing.SeeAGuidetotheUseofIronandSteelSlaginRoadsforfurtherinformation.TYPICALPHYSICALPROPERTIESSFShasadarkgreycolourwithaparticledensitythatis20greaterthanbasaltandharderthanblastfurnaceslagBFS.Thisproductcrushesintoacubicalshapeandhasthepotentialforexpansionifnotadequatelyweathered.WeatheringistypicallyachievedbyperiodicwateringmonitoringandinternalstockpilemanagementproceduresdevelopedbysuppliersofSFSaggregates.Requirementsforfreelimelimitswhereprovidedshouldbemetbeforesupply.SteelFurnaceSlagQUICKREFERENCEGUIDE3-2014Table2-ApplicableSFSSpecication.RMSVicRoadsSFSTypeR71R73R44R33UnboundBoundSelectFillAggregateTable1-TypicalPhysicalPropertiesofSFS.Notes1OMCdependsonthecomponentsofthemix.2MDDbasedon100standardcompaction.SteelFurnaceSlagTypicalPhysicalProperties-Aggregate1.5-1.8260-300240-2805-152-415-2054-60 4QuickReferenceGuide32014SteelFurnaceSlagwithinitsworkingtimeisofcriticalimportancewhenboundpavementmaterialsareplacedinlayers.Workingtimeisnotsimplythetimewithinwhichthematerialsplacedareworkablebutratherthetimewithinwhichlayeringofboundpavementcanoccurwithoutriskofde-bondinglaminationorlossofultimatepavementstrength.ThenominatedworkingtimeisthelesservalueoftheMaximumDryDensityMDDandtheUnconnedCompressiveStrengthUCS.Layeringofboundpavementswithinrelevantmaterialworkingtimeswillstillrequiretheunderlyingsurfacetobescariednotproledormilledinsomeway.Thisisessentialtoremovethesmoothsurfacecreatedbyeithersmoothdrumrollingorrubbertyrepolishingcreatedbytruckstippingonthelowersurface.MoistureContentSlagblendedpavementsarelesssensitivetomoisturethanconventionalmaterials.UnboundSteelSlagPavementsSFScanbesuccessfullyutilisedinunsealedroadsandindustrialhardstandareas.ForunboundapplicationseachsiteorprojectshouldbereviewedtoensurethattheSFSusedistforpurposeforthegivenapplication.Constructionguidelinesshouldbeconsideredonasite-by-sitebasistoensureallrelevantsiteconditionsareaddressed.WhilstweatheringofSFSisundertakentolimitpotentialmaterialexpansionSFSmaynotbesuitableforuseinsomeapplications.SFScanbeplacedinlayersupto300mmthickalthoughformostunboundapplications150-200mmofmaterialisgenerallyadequate.PlacementConstructionjointsoccurwhereboundmaterialisplacedagainstpreviouslyplacedboundmaterialwhichisoutsidetheboundmaterialsworkingtime.Wherethisoccursacleancompactedverticalperpendicularsurfaceshouldbecuttothefulldepthofthepavementlayerthicknessforbothtransverseandlongitudinalconstructionjoints.Thiswillreducetheriskofplatingeectsonthepavement.Allspoilmaterialshouldbediscardedandnotincorporatedbackintotheworks.Duetotheirrigiditycracksoccurinboundpavements.TheriskofthisoccurringcanbereducedbymanagingthecorrectlocationofjointssuchasLimitingtheoverallpavementwidthsEnsuringjointsarenotinwheelpathsandEnsuringjointsinsub-baselayersareosettojointsinthebaselayer.ENVIRONMENTALCONSIDERATIONSSeveralcomprehensivestudiesofSFShaveshownthismaterialanditsleachatecontainstraceamountsofmetalwellbelowtriggerlevelsforenvironmentalinvestigation.TheprimaryenvironmentalriskwhenutilisingSFSinroadmakingapplicationsisthepotentialforalkalineleachatetoenterlocalwaterways.ThisriskisminimalwhenSFSisincorporatedintowell-designedandconstructedroadswithadequatedrainageanddecreasesovertimeasthematerialgainsstrength.HourstodaysofdirectstagnantcontactwithSFSarerequiredforthepHofwatertoreachenvironmentallysignicantlevels.WatersheetingoaroadorhardstandareaisnotincontactwithfreelimecontainedinSFSforalongenoughperiodtoproducehighpHrun-o.AnapproachtousingSFSaroundriversandstreamsistomaintaina5-10mbuereithersideofthenormalwaterwayowifunsureengineeringdesignisadequate.Beingaco-productofthesteelmanufacturingprocessexemptionshavebeengrantedforuseinroadmaking.SeeQRG1forfurtherinformation.CASESTUDIESCaseStudy1UnsealedRuralRoadatMistyLaneJamberooNSWMistyLaneisa2kmprivatelyownedandmaintainedruralroadlocatedinJamberooandusedby7properties.Thisprojectrequireda20x0mmSFSroadbaseitsmainfeaturebeingthattheslagproductwasusedtoachievealowtechnicalbuthighqualityoutcome.ItwasfoundthattherewerelittleobviousproblemswiththeSFSproductafterregularinspections.Asthematerialtooklongertohardenthesurfacewhichwasinitiallypliableallowedforloosestonetobeforcedintothesurfacewhichincreasedcompactionandsubsequentroadlifeforthelocalresidents.Figure1-Longitudinalconstructionjointing.Figure2-Transverseconstructionjoint.Figure3-SFSroadbaseusedatMistyLaneJamberoo. CaseStudy2StabilisedSteelFurnaceSlagSFSUsedinLightlyBoundPavementApplicationAnunsealedhardstandforheavyequipmentstoragewasconstructedatKooragangIsland.ThisprojectrequiredSFS6mmminusdustblendedwithabindertoproduceaUCSstrengthat7daysacceleratedusingRMSTestMethodT116ofbetween1.0and1.5MPa.TheSFSdustwasblendedwithabinderinacomputer-controlledpugmillthendeliveredtothesiteviatruckanddogcongurations.Materialwasplacedandcompactedusingagraderandsmoothdrumrollerwithapproximately600tonnesplacedperdayofproduction.Thismaterialistoremainunsealedduringservicelifeandthereforerequiredasmoothimpermeablenishtomeetthetightgradetoleranceforcontrolofsurfacestormwaterruno.LIFECYCLEANALYSISLCAThebenetsofusingthestabilisedSFSdustforthisapplicationwerenumerousasfollowsThestabilisedSFSdustprovidedaneectivesolutiontootherinvestigatedpavementdesignsbeingatraditionalconcretepavementorRMSspeciedheavilyboundpavementorusingnaturalquarriedroadbasematerialswithanincreasedpavementthickness.Thequarriedmaterialswouldalsorequireaspraysealtoprovidethedesireddurabilityandstormwaterrun-oproperties.ThestabilisedSFSdustwasmorethantforpurposeprovidingtheclientwithAnimpervioussurfaceMinimumdustingforanunsealedpavement5QuickReferenceGuide32014SteelFurnaceSlagFigure4-Close-upofSFSroadbase.Figure5-6mmSFSminusdustusedatKooragangIsland.HighbearingandtensilestrengthReducedpavementthicknessAlongwithbenettingtheenvironmentthroughrecoveryandrecyclingofanindustrywastematerialreducingthecarbonfootprintforthisprojectandprotectingnaturalresourcesandtheenvironmentfromfurtherdegradationandThehardstandhasbeeninserviceforover12monthswiththeclientbeingverysatisedwiththeperformancetodate.CONCLUSIONIntermsofitscompetitiveadvantagesinrelationtoothermaterialsironandsteelslagISSproductshavebeenprovenforuseinvarioustypesofapplicationsincludingcementandconcretemanufacturecivilworksroadconstructionrehabilitationandstabilisationofexistingroadscarparksandpavements.EconomicallyISSproductsarecomparativetoothertraditionalresourcesbutshouldbeassessedonacasebycasebasisgiventheotherperformanceandenvironmentaladvantages.TheAustralasianironsteelSlagAssociationcontinuestoadvocateforthecurrentandpotentialusesofslagproductsaswellasimprovingregulatoryunderstandingofthebenetsarisingfromslaguse.AUSTRALASIANIRONSTEELSLAGASSOCIATIONSuite2Level1336KeiraStreetWollongongNSW2500AustraliaPOBox1194WollongongNSW2500AustraliaTelephone61242580160Fax61242580169Emailinfoasa-inc.org.au WouldyoubelieveitwaswellbeforethecommercialproductionofbluemetalfromtwoofAustraliasnowfamousquarryingareassitesbeingKiamaontheNSWSouthCoastandProspectHillsituatedwestofSydneyAdmittedlyitsasneakyquestionastheclueisinthewordcommercial.Toproduceironandtheresultantslagyoumusthaveironoreforitsironcontentcoalcokeorcharcoalasafuelandlimestonefortheux.Inearlycolonialdaysmineralswereusuallydiscoveredbyaccidentratherthandeliberateprospecting.ForexampletheBrokenHillsilverandleaddepositwasdiscoveredbyaboundaryriderwhotrippedonarockinthe1800s.In1833just50yearsafterCaptainPhillipbroughttheFirstFleetintoSydneyFarmSurveyorJacquesdiscoveredironstoneinaroadcuttingbeingexcavatedforacreekcrossingnearthepresenttownofMittagongintheNSWSouthernHighlands.Thestonecontained48ironcoalandlimestonewhichwerefoundnearbyandaCatalanfurnacewasbuiltatMittagongin1848.Heretherstironandslagco-productwereproducedinAustraliaalthoughnotincommercialquantities.ThiscamehalfacenturylaterinLithgowNSW.HistoryhasshownthatthroughaseriesoftakeoversthiscompanyisnowknownasBluescopeSteel.TheoriginalnameoftheMittagongplantwasIronstoneBridgeandin1851theFitzRoyIronMiningCompanywasformed.Interestinglyitsnameoriginatedfromavisittothesitein1850bytheNSWGovernorSirCharlesAugustusFitzroy.UnfortunatelylikesomanyoftheearlyattemptstoproduceironandsteelinthenewcolonylocalcompaniescouldnotcompetewiththecheaperironpigsimportedfromEnglandasballastfortheclippershipswhichcametotransportwoolandwheatfromAustralia.Thiswasinparttheresultofalackofimporttariffsinstitutedbythecolonialgovernmentatthetime.VerylittleremainsoftheFitzRoyIronWorksandthesitehasrecentlybeendevelopedintoalargesatelliteshoppingcentre.NexttimeyoutraveltheoldhighwayjustacoupleofkilometressouthofMittagongvisittheelevatedshoppingcomplex.Ofnoteisthatthegroundlevelcontainstheundercovercarparkinsteadofbeingsituatedbelowgroundtoensureconservationoftheheritagesite.AtthenorthernendyouwillndanareaofcarefullyrestoredhistoricalfoundationsfortheoriginalIronWorksincludingviewingareaslightingandinformationpanelsallofwhichensuretheartefactsarefullyprotectedfromtheweather.ThesiteiswellworthavisitasareminderofjustwhereAustraliasironandsteelindustrybegansomethingwetakeforgrantedtoday.DougProsserwasinaugural1990ExecutiveDirectoroftheAustralasianironsteelSlagAssociation.DougcontinueshispassionandinterestforallthingsironandsteelslagsATRIVIAQUESTIONWhenandwherewasthefrstironslagproducedinAustraliaTHEEARLIESTDAYSOFSLAGINAUSTRALIAwww.asa-inc.org.au06connectionsNovember14 AsSteelCementSCLapproachesits24thyearofoperationitistimelytoreectonwheretheindustryhasbeenandmoreimportantlywhereitwillbeinthenextfewyears.SteelCementwasapioneerintheproductionofgroundslagproductsdestinedforuseinconcretemasonryandcivilapplications.SteelCementrecognisedearlythebenetsofproducingneatmilledslagonaVerticalRollerMillVRMandpostblendingithasbeensuccessfulinpromotingthebenetsofSlagandofferingaslagsupplytotheentireVictorianindustry.TogetherwithitsparentcompanyIndependentCementLimePtyLtdICLanditstwomajorshareholdersAdelaideBrightonCementLtdABLandtheBarroGroupSteelCementhasledthewayinslagproductionanddistributioninthiscountry.Groundslagconsumptionhassteadilyincreasedinthevariousmarketsegmentsinoursupplychain.SupportfromVicRoadsConsultingEngineersandfromlocalGovernmentshasplayedavitalroleinincreasingtheapplicationofslagblendedcementsinconcretemasonryandroadstabilisation.SteelCementseesthisdemandtrendwillcontinueandwithamillingoperationlocatedjust3kmfromMelbournesCBDithasbeenwellpositionedtoservicethebuoyantgreaterMelbourneandVictorianmarket.HoweverwithpeakmonthlydemandnowoutstrippingmillcapacitySteelCementhasembarkeduponanewgrindingfacilitywhichwillseeitdoubleitscurrentoutputto.KeentoretainthebenetsofaVRManditsproximitytotheCBDandthePortSteelCementisconstructinganew60mgrindingplantandSCMterminalatYarravilleonlandwhichadjoinsthePortofMelbournethereforeensuringSteelCementcanmeetfuturedemandsfortheproduct.CommissioningforthenewplantisonscheduleforAugust2015.SteelCementPtyLtd60mUpgradeforSlagGrindingFacilityAskedaboutwhatisnewwiththeMillAlanDowSCsGeneralManagerreportedthatthereareanumberofefciencygainswiththenewplantdesignhowevertheprincipleoftheVRMremainsthesameasthecurrentMill-Customerscanthereforeexpectthesamelevelofqualityfromthenewfacility.InterestinglyonenotabledifferenceAlanwaspleasedtoaddwasthistimewehavebeenabletoincorporateslagintothemillfoundationtheoriginalfootingwasconstructedwithlimitedquantitiesofFlyAshasslagwasntavailablein1990.The1200cubicmetremillfoundationpouratYarravilleincorporateda35-65cementslagblendwhichisanidealapplicationforaconcretefoundationdemandingalowheatofhydration.Pleasefollowthelinktoviewthetimelapsevideooftherecentconcretepourhttpgoo.glh8wv57www.asa-inc.org.auconnectionsNovember1407 InSeptember2014ProjectLeaderProfessorStephenFosterUNSWannouncedduringthekickoffmeetingofindustrypartnersthattheCooperativeResearchCentreforLowCarbonLivinghadgrantedapprovalforthe3.1millionprojectoverthenextthree3yearsRP1004PerformanceBasedCriteriaforConcretes-CreatingPathwaysforLowCarbonConcreteManufacturewithExistingStandards.ProfFostersaidthisprojectisasignicantonebuildingonthefoundationsofourinitialprojectndingswhichneedtoaddressthecurrentgapsinStandardstoprovideclearpathwaysfordesignersandengineerstowardslowcarbonconcretes.InparticularthemajorprojectfocusesonalternativepathwaystothecarbonemissionsarisingfromthemanufactureofPortlandcementinAustraliawhichisestimatedaseightmilliontonnesyear.Industrialby-productssuchascoalcombustionproductsCCPsandironandsteelslagsISSwhicharenoteffectivelyutilisedcanpotentiallyreplaceasignicantamountofPortlandcementuseinconcretestructures.Themainbarrieridentiedbytheresearchcommitteetoutilisationoftheseby-productsisduetogapsinAustralianstandardswhichdonotrecogniseconcreteswithoutPortlandcement.ThisprojectwillexplorealternatepathwaysforlowcarbonconcretestobeusedwithexistingstandardsbydevelopingaperformancebasedcriteriaforconcretewhichmaynotcontainPortlandcement.CooperativeResearchCentreforLowCarbonLivingallocates3.1millionofprojectfundingfornextthreeyearstolowcarbonconcretesToviewmoreinformationontheProjectPartnerspleaseseelinksbelowSwinburneUniversityofTechnologyUniversityofNewSouthWalesAshDevelopmentAssociationofAustraliaAustralasianSlagAssociationIn2014theUniversityofQueenslandwasrecognisedforits32millionLivingBuildingwiththeawardofanEducationDesignv1ratingfromtheGreenBuildingCouncilofAustralia.TheGlobalChangeInstituteGCIbuildingcontains33precastoorbeamscontainingEarthFriendlyConcreteEFC.Withanareathatspans3865sqmHassellArchitectssoughttochallengetheparametersofsustainabilitytoensurethebuildingoperatesonnetzero-energyusingsolarpowerrainwaterstorageandtherstlow-carbonconcreteproducedintheworld.SpecicallyEarthFriendlyConcreteEFCwasdevelopedbyWagnersoveraperiodof8yearsandcomprisesnoPortlandCement.Insteadthisproductconsistsofsandaggregateyashgroundgranulatedblastfurnaceslagandactivatorchemicalsandadmixtures.Whilsttherearetheobviousenvironmentalbenetsofusingthisconcreteitalsoprovideshighlevelsofperformancewithhighresistancetosulphateattackchlorideingressandlowshrinkage.Thisinnovativeprojectwasalsorecognisedatthe2013BPNSustainabilityAwards.ImportantlyWagnersarealsoin-kindcontributorstotheCooperativeResearchCentreforLowCarbonLivingworkingwiththeAssociationonourlowcarbonconcreteproject.ProjectReportUQLivingBuildingwww.asa-inc.org.au08connectionsNovember14 TheNorthernRoadinsouthwesternSydneyhadseenasteadydeclineovertheyearsthereforewithOranParkVillagewellunderwayandanestimated20000newhomesplannedforthenextveyearsitwasduetimeforanupgradetoadualcarriageway.ThisroadwouldformpartoftheSouthWesternMainArterialCorridorandasresidentialandcommercialgrowthoccursthetrafconthissectionofroadisexpectedtoincreasesignicantlyinthenearfuture.ASMSwascontactedbyaSeniorEngineerwithNSWRoadsandMaritimeServicesRMStodiscussthepotentialofusingourmaterialsintheupgrade.TheRMSEngineerhadusedslagroadbasesinthepastwithgreatsuccessandwaswellawareoftheadvantagesincomparisontonaturalmaterials.AfterlengthydiscussionsRBM800wasspeciedasaheavilyboundbaseHBBandthetenderwasputforwardandsubsequentlywonbyTRNFordham.ProjectReportTheNorthernRoadOranParkUpgradeTheprojectcommencedinAugust2013withthesitepreparationandbulkexcavationsprogressingsmoothlywithsupplyofRBM800commencinginOctober2013.Thedailysupplyrequirementwassetat1000tonnesperday.Ontheoddoccasionitwasrequestedbysitetoincreasethisto1500tonnesperdaywhichwasachievedwithoutissue.Atonepoint10000tonneswassuppliedbeforeChristmaswiththe10000remainingtonnessuppliedinthesecondquarterof2014.AttheendoftheprojecttheSiteForemancommentedonhowimpressivetheslagexperiencewasasacontractor.Thefactorsofontimedeliveriestheabilitytoplacematerialintherainandthesuperiorstrengthcharacteristicsofthematerialmadeitapleasuretoworkwithandhewaslookingforwardtothenextprojectworkingwithslag.FormoreinformationpleasevisittheASMSwebsitehttpwww.asms.com.auwww.asa-inc.org.auconnectionsNovember1409ProjectReportInstallationofNewGrindingPlantFacilitiesAfter6yearsofplanningandmorethan12monthsaftertherstsoilwasturnedtheEcocem-CementAustraliajointventureVerticalRollerMillatPortKemblaproduceditsrstGroundGranulatedBlastFurnaceSlagGGBFSproductEcoceminMarch2014.ImpressivelyafterasuccessfulstartuptheMVRGebr.PfeifferMilltookjust40minutestoproducesalequalityproduct.ThenewmillisdesignedtogrindbothGGBFSandcementclinker.FurtherblastfurnaceslagBFSisproducedaspartoftheironandsteelmakingprocessnextdooratBlueScopeSteelsPortKemblaSteelMillwheremoltenslagisgranulatedbyAustralianSteelMillServicesASMSandprocessedreadyfordispatchinthenearbyBlueScopeRecyclingarea.OverallthemajorityofEcocemproducedfromthenewmillwillbeutilisedinready-mixconcrete.WherethisproductisusedasareplacementfornaturalmaterialsinPortlandcementgreenhousegasemissionsarereducedbyover100000tonnesannually. www.asa-inc.org.au10connectionsNovember14ConferenceUpdateConstructionMaterialsIndustryConference2014TheConstructionMaterialsIndustryConferenceCMIC2014tookplaceatBrisbaneConventionandExhibitionCentreSouthBankBrisbanefromWednesday3rdSeptembertoSaturday7thSeptember2014.OnceagaintheInstituteofQuarryingAustraliaIQAandCementConcreteAggregatesAustraliaCCAAjoinedforcestopresentthissignatureconferencefortheconstructionmaterialsindustrywiththethemebeingBuildingProductivityexploringAustraliaschangingbusinessenvironment.TheAustralasianironsteelSlagAssociationwasrepresentedduringtheconferenceintheExhibitionHallwheremembersandinterestedpartiestookadvantageofthevaluablenetworkingopportunitiesavailablewithsupplierspeerscustomersandfriendsonaglobalscale.TheConferencehighlightsincluded14KeynoteSpeakers10plenarysessionsandnumerousindustryawards500Delegatesnetworkinglisteningandlearningfromthebestintheeld51ExhibitingCompanies20SponsorCompaniesTheKomatsuGaladinnertookplacethateveningandwasattendedbyover800participants.ThiswasanoutstandingsocialeventwherethePlazaBallroomprovidedanexcellentvenuefortheliveentertainmentandformaldining.ThetechnicalprogramthemeofBuildingProductivitywasofvaluetokeyindustrystakeholdersincludingcivilandstructuralengineersacademicsmanufacturerscontractorsdevelopersGovernmentDepartmentsandLocalCouncils.Whetheritwasefcienciesinprocessesimprovedofferingstocustomersorsupporttoolsandbusinesssystemsforfrontlineserviceseveryaspectofthebusinessmodelwaschallenged.OverallCMIC14onceagainprovidedaplatformtoshowcasetheAssociationandconnectwithmanyleadingindustryspecialists.InparticulartheASAwasprovidedwiththeopportunitytopromotetheAssociationfurthereducateindustrypersonnelandtoincreasekeyindustrycontacts. ConferenceConcrete2015ResearchintoPracticeThe27thBiennialConcrete2015ConferencehostedbytheConcreteInstituteofAustraliaisscheduledfor30Augustuntil2September2015atthePullmanAlbertParkMelbourne.ThethemeResearchintoPracticeseekstobringtogetherindustryleadersonaglobalscaleandwillfocusonconcretedesignimprovementsresearchconstructionmaintenanceandrepairofconcreteprojects.Thisconferencewillalsorunalongsidethe69thRILEMWeekConference.InterestinglyRILEMistheInternationalUnionofLaboratoriesandExpertsinConstructionMaterialsSystemsandStructures.Theirmissionistoadvancescienticknowledgeinrelationtotheconstructionindustryandtoencourageitsuseandapplicationworldwide.CallforAbstractsiscurrentlyopenforpotentialattendeeswishingtopresentonexperimentalworkRDpracticeandindustryapplicationscasestudiesandinnovationswhichmaybeofinteresttodelegateswithregistrationopeninginFebruary2015.ImportantlytheAssociationwillbeinattendanceintheExhibitorsHallandencouragesmemberstoattendgiventhevaluableopportunitiesavailableforknowledgeexchangeandnetworkingwithfellowcolleagues.WelookforwardtoseeingyouthereinsupportofyourindustryFormoreinformationpleasevisithttpwww.concrete2015.com.auConferenceGlobalSlag2014ConferenceExhibitionThe10thGlobalSlagConferenceExhibitionwillbeheldon8-9December2014inAachenGermany.Thethemesofthisconferencewillbecentredontheutilisationofslagproductsglobaltrendscasestudiesandinnovationsarisingwithinthemarketplace.Attendeesincludeproducersuserssuppliersacademicsandotherkeyindustrystakeholders.WithregistrationstillopenandlocatedinacentralEuropeandestinationinthebeautifullocationofAachenwhywouldntyouattendtheGlobalSlag2014ConferenceFormoreinformationvisithttpwww.globalslag.comconferencesglobal-slagintroductionwww.asa-inc.org.auconnectionsNovember1411 ViewsexpressedinConnectionsnewsletterdonotnecessarilyreecttheopinionoftheAustralasianSlagAssociation.Allcontributionsarewelcomedthoughthepublisherreservestherighttodeclineoreditforstylegrammarlengthandlegalreasons.SUBSCRIBETOwww.asa-inc.org.auConnectionsisproducedtwiceayearforthebenetofASAmembers.Beforeeachpublicationisdraftedanemailissenttoallmembersurgingthemtocontributestoriesthattheythinkareofinterest.ThetypesofcontentwearelookingforincludeNewdevelopmentsortechnologiesNewprojectsNewemployeesWealsohaveaMemberProlesectionwhichisopentoallmembercompaniesforcontributionsonbehalfofthebusinessingeneraloraspecicemployee.SoifyouhaveanideaorevensomecontentthatyouthinkmightmakeaninterestingarticleforourreadersgetincontactwithEditorOliviaYeatmantodayresearchhbmgroup.com.auKeepusandyourindustrycolleaguesConnectedwithyourCompanysactivitiesbysendingusanarticleConferenceEUROSLAGEuropeanSlagConferenceEUROSLAGthe8thEuropeanSlagConferencewillbeheldinLinzAustriafrom21-23October2015.Asover44milliontonnesofferrousslagproductsareproducedinEuropeeachyearthisConferenceallowsstakeholderstosharetheirspecialistknowledgeexploreinnovativeresearchtopicsandbuildconnectionswithoneanother.WiththeConferenceandtechnicalvisitorganisedbyVoestalpineGroupthepurposeofthisforumistoenabletheexchangeofknowledgeassociatedwithtechnicalapplicationsenvironmentalandlegalissuessurroundingtheuseofthisbenecialproduct.Attendeesincludekeyindustrystakeholdersinvolvedinprocessingutilisationmarketingandresearchofslagproductswithvisitorsfromabroadencouraged.Formoreinformationandtoregistervisithttpwww.euroslag.comwww.asa-inc.org.au12connectionsNovember14