Effect of Slag Cement on Drying Shrinkage of Concrete

The effect of a partial replacement of cement with slag cement on free shrinkage is evaluated for curing periods between 3 and 28 days. Mixtures include concrete containing different replacement levels of slag cement (30, 60, and 80% by volume) cast with limestone, granite, or quartzite coarse aggregate. Comparisons are only made with mixtures having the same paste content (by volume) and water-cementitious material ratio. The study shows that a partial replacement of cement with slag cement decreases free shrinkage compared to mixtures containing 100% portland cement; the reduction is greatest at early ages and is improved as the replacement level is increased. Increasing the curing period decreases free shrinkage for mixtures with and without slag cement. When slag cement is used in conjunction with a porous limestone coarse aggregate, where internal curing is provided by the water stored in the pores of limestone, an even greater reduction in free shrinkage is observed compared to mixtures cast with low- absorption coarse aggregate.

• Record URL:
  https://doi.org/10.14359/51687129
• Record URL:
  http://www.concrete.org/publications/acimaterialsjournal/acijournalsearch.aspx?m=details&ID=51687129
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/13846872
• Supplemental Notes:
  • Abstract reprinted with permission from the American Concrete Institute.
• Authors:
  • Yuan, Jiqiu
  • Lindquist, Will
  • Darwin, David
  • Browning, JoAnn
• Publication Date: 2015-3

Language

• English

Media Info

• Media Type: Print
• Features: Figures; References; Tables;
• Pagination: pp 267-276
• Serial:
  • ACI Materials Journal
  • Volume: 112
  • Issue Number: 2
  • Publisher: American Concrete Institute (ACI)
  • ISSN: 0889-325X
  • Serial URL: https://www.concrete.org/publications/acimaterialsjournal.aspx

Subject/Index Terms

• TRT Terms: Bridge decks; Coarse aggregates; Concrete curing; Cracking; Mix design; Shrinkage; Slag cement; Water cement ratio
• Subject Areas: Bridges and other structures; Highways; Materials; I32: Concrete;

Filing Info

• Accession Number: 01565225
• Record Type: Publication
• Files: TRIS
• Created Date: May 28 2015 9:24AM