A review on use of limestone powder in cement-based materials: Mechanism, hydration and microstructures

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  • Dehui Wang, Fuzhou University
  • ,
  • Caijun Shi, Hunan University
  • ,
  • Nima Farzadnia, Hunan University
  • ,
  • Zhenguo Shi
  • ,
  • Huangfei Jia, Hunan University
  • ,
  • Zhihua Ou, Hunan University

Limestone powder (LS) has been widely used in cement-based materials; and reportedly, can influence their properties by filler, nucleation, dilution and chemical effects. The action mechanism of LS mainly depends on its particle size and amount. The filler effect of LS refines the microstructure and reduces the porosity of cement-based materials. Its nucleation effect accelerates the hydration of C3S, increases the amount of hydration products and reduces the porosity of cement-based materials at early ages. Its dilution effect reduces the hydration peak of C3S, decreases the amount of hydration products and increases the porosity of cement-based materials. Its chemical effect promotes the appearance of third hydration peak, forms carboaluminate and reduces the porosity of cement-based materials. (C) 2018 Elsevier Ltd. All rights reserved.

Original languageEnglish
JournalConstruction and Building Materials
Volume181
Pages (from-to)659-672
Number of pages14
ISSN0950-0618
DOIs
Publication statusPublished - 30 Aug 2018

    Research areas

  • Limestone powder, Action mechanism, Hydration process, Hydration products, Microstructure, SELF-COMPACTING CONCRETE, ATOMIC-FORCE MICROSCOPY, BLAST-FURNACE SLAG, SILICEOUS FLY-ASH, PORTLAND-CEMENT, STRENGTH DEVELOPMENT, BLENDED CEMENTS, FINES CONTENT, FILLER, SAND

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