Properties of self-compacting concrete prepared with coarse and fine recycled concrete aggregates

S. C. Kou, Chi Sun Poon

Research output: Journal article publicationJournal articleAcademic researchpeer-review

376 Citations (Scopus)


In this study, the fresh and hardened properties of self-compacting concrete (SCC) using recycled concrete aggregate as both coarse and fine aggregates were evaluated. Three series of SCC mixtures were prepared with 100% coarse recycled aggregates, and different levels of fine recycled aggregates were used to replace river sand. The cement content was kept constant for all concrete mixtures. The SCC mixtures were prepared with 0, 25, 50, 75 and 100% fine recycled aggregates, the corresponding water-to-binder ratios (W/B) were 0.53 and 0.44 for the SCC mixtures in Series I and II, respectively. The SCC mixtures in Series III were prepared with 100% recycled concrete aggregates (both coarse and fine) but three different W/B ratios of 0.44, 0.40 and 0.35 were used. Different tests covering fresh, hardened and durability properties of these SCC mixtures were executed. The results indicate that the properties of the SCCs made from river sand and crushed fine recycled aggregates showed only slight differences. The feasibility of utilizing fine and coarse recycled aggregates with rejected fly ash and Class F fly ash for self-compacting concrete has been demonstrated.
Original languageEnglish
Pages (from-to)622-627
Number of pages6
JournalCement and Concrete Composites
Issue number9
Publication statusPublished - 1 Oct 2009


  • Mechanical properties
  • Recycled aggregate
  • Self-compacting concrete
  • Sustainability

ASJC Scopus subject areas

  • Materials Science(all)
  • Building and Construction


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