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EffectsofRareEarthTailingsonthePropertiesofCementClinker

  

  1. (FacultyofBuildingMaterials,KunmingMetallurgyCollege,Kunming650033,China)
  • Online:2014-07-11 Published:2014-07-11

Abstract: CementclinkerburningtestwasdonebyusingYunnansomerareearthtailingsinsteadofclayrawmaterials.TestresultsshowthatthemixedrareearthtailingsandleadzincminetoburninthematuremakingsfCaOcontentdecreasedsignificantly,therawmaterialiseasytoburn;Thethreedays,sevendaysand28dayscompressivestrengthincreasetosomeextent;C3SandC3AandC4AFcontentofCementclinkerincrease,whichpromotethecementclinkersintering,isbeneficialtotheformationmineralsincementclinker,especiallytheC3Sinclinkerincreasesignificantly.

Key words: rareearthtailings, cementclinker, calcinationtest

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