ContinuousBasaltFilament,CBF(連續玄武巖纖維)outline1.ConceptandPrincipalProperties2.Researchesathomeandabroad3.Applicationtoconstruction4.ExistingproblemsConceptRaw

materials:naturaleruptiverocks.Manufacture:byheatingthecrushedrockstoatemperatureofabout1450~1500℃,thenstretchingtocontinuousfilamentwiththespinneretplate.PrincipalPropertiesExtraodinary

good

heat

resistance:

workingtemperturerangingfrom-269~700℃.80%oftheinitialstrengthunderthetemperatureof600℃.Excellent

tensile

strength:3800~4800MPa,higherthanotherhightechnologicalfibres:carbon

fiber、steel

fibre、aramid

fiber、glassfibre.CBF’sprincipalpropertiescomparedwithotherfibresTypeoffibreDensity/g?cm-3Tensilestrength/MPaModulusofelasticity/GPaPercentageelongationafterfracture/%maximumoperatingtemperature/℃CBF2.803000~484079.3~93.13.1650E-glassfibre2.543100~380072.5~75.54.7380S-glassfibre2.54~2.574020~465083~865.3300Carbonfibre1.783500~6000230~6001.5~2.0500Aramid

fiber1.452900~340070~1402.8~3.6250PrincipalPropertiesProminentChemicalStability:

duetotheconstituents，KO,MeOandTiO,whichstronglyenhancetheabilityofchemicalcorrosionandwaterresistance.

不同介質中煮沸3h后質量損失率%MediaCBFE-glassfibreH2O0.20.7NaOH5.06.0HCl2.238.9PrimarypropertiesofContinuousBasaltFilament,CUIYi-hua.JournalofTextileResearch,Vol.26,No.5,Oct,2023CompatiblewithPortlandCementnaturally:

Replacesteelforconcretestructure;

Havegreatpotentialusevalueinconstructionareas.ResearchathomeIn2023,Chinaformallylistedtheresearchofcontinuousbasaltfibresinthenational863plan.0nDec,19,2023,GBF(橫店集團上海俄金玄武巖纖維有限企業)wasfoundedmainlyfortheresearchanddevelopmentofCBF.NowithasbecometheleadingcompanyinChinainthefield.NewachievementsfireprotectionsuitsandfireresistingcurtainsaremadefromCBFin2023,byFuKuangGroup(阜礦集團),Liaoningprovince.Usedinmashgaspipeline,reducingrisk.CBFfireresistingpanel:ResearchatabroadBasalFibreAssociation,BAFwasfoundedinTexas,America,andgreatlystimulatedtheresearchanddevelopmentofCBF

Ukraine制造連續玄武巖纖維及絕緣材料生產聯合體旳流水線ApplicationprospectsCBFhasbroadprospectsinconstructionareasduetoitshighcostperformance.Itissaidthatitwillbringarevolutiontotheconstructionmaterials.Intheareasofreinforcedhconcrete:Goodalkaliresistance,hightensilestrength.

EnhancetherailroadtiesofcementwithCBF,andsolvetheproblemofstability,especiallyintheQinghai-Tibetplateau.Intheareasofbuildingrepair,reinforcementandupdate:Uniqueadvantages:Non-conducting,Goodperformancetopriceratio,Highshearstrength,thermalexpansioncoefficientinaccordancewithconcreteReinforcebridges,tunnels,anddamsRepairbeams,columns,plates,andwallsInroadconstructionfields:Mainadvantanes:Thecompatibilitywithasphaltmixtureisstrong,Highshearstrength,Goodthermalstability,Nolong-termcreep

UsedinBridgedeck,MunicipalRoads,Airportpavement.ExistingproblemBecauseCBFisanewkingofdevelopinghightechnologicalmaterial,therearenowfewcountries(Ukraine,Russia,theUnitedStates,Canada,China)andfewmanufactureplantscanproduceit.

Theyearlyproductionislimitedanditcannotmeettheneeds.Also,itremainstobefullyexploited.TheconstituentsofBasaltisfluctuant.SothepropertiesofCBFisfluctuant,too.Itwillcause

restrictontheuseofCBFinhigh-endfield.ThepriceofgasfuelisrelativelyhighinChina,whichisnotgoodtoreducethecostofproduction.

Solution:exploringnewtechnology,andnewen