Chemical Equilibria Between C–S–H and Ettringite, at 20 and 85 °C

Mixes of C–S–H and ettringite were synthesized in suspension systems and their equilibria were studied at 20 and 85 °C. Concentrations in solution (calcium, sulfate, aluminium) were measured and the mineralogical state of the systems was studied by means of X-ray diffraction. The equilibria between C–S–H and ettringite are described. The relative importance of sulfate bound to the C–S–H is evaluated. The kinetics of ettringite reprecipitation from a “C–S–H–ettringite” system at 85 °C placed at 20 °C are also evaluated.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/00088846
• Supplemental Notes:
  • Abstract reprinted with permission from Elsevier
• Authors:
  • Barbarulo, R
  • Peycelon, H
  • Leclercq, S
• Publication Date: 2007-8

Language

• English

Media Info

• Media Type: Print
• Features: Figures; References; Tables;
• Pagination: pp 1176-1183
• Serial:
  • Cement and Concrete Research
  • Volume: 37
  • Issue Number: 8
  • Publisher: Elsevier
  • ISSN: 0008-8846
  • Serial URL: http://www.sciencedirect.com/science/journal/00088846

Subject/Index Terms

• TRT Terms: Concrete construction; Concrete structures; Corrosion; Ettringite; Reinforced concrete; Sodium sulfate; Structural deterioration and defects
• Uncontrolled Terms: Calcium silicate hydrate; Delayed ettringite formation
• Subject Areas: Highways; Materials; I32: Concrete;

Filing Info

• Accession Number: 01076970
• Record Type: Publication
• Files: TRIS
• Created Date: Sep 27 2007 7:07AM