Thetechnologyofactivationbyaddingfewactivators(<1%)toincreasetheamountofblendsincementwasinvestigated.Theresultsshowthatouteractiva-tionhasaremarkableeffectonimprovingthephysicalpropertiesofslagcement,flyashcementandvolcaniccement.Forexample,thecompressivestrengthwasincreasedby5-10MPa.Morever,theapplicationofactivationisbeneficialtogrind-aiding,earlystrengthandwater-reducingetc.
