Influence of steel slag-silica fume composite mineral admixture on the properties of concrete
作者： Jin Liu , Dongmin Wang
DOI: 10.1016/J.POWTEC.2017.07.052
关键词:
摘要: Abstract A composite mineral admixture was prepared by grinding a mixture of steel slag and silica fume (steel slag/silica ratio is 92:8 or 84:16, mass). layer uniformly adsorbed on the particles. The influence this slag-silica hydration cement-based binder properties its concrete were investigated. results show that in contributes significantly to consumption Ca(OH) 2 enhances connection between particles with surrounding C-S-H gel. activity improves an increase content. retarding effect early cement significant. However, proper replacement can improve late-age pore structure hardened paste as well strength, chloride ion resistance, carbonation sulfate attack resistance concrete. addition reduce drying shrinkage
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