ALKALIES IN CEMENT: A REVIEW. II: EFFECTS OF ALKALIES ON HYDRATION AND PERFORMANCE OF PORTLAND CEMENT

The character of the liquid phase in contact with hydrating portland cement is significantly affected by the presence of alkalies. Early hydration is generally accelerated. Increases in alkali content increase the optimum gypsum requirement. The effects of increased alkali contents on the hydration processes are manifested in the engineering properties of cement pastes and concretes produced from it. Generally, an increase in early strength and a decrease in final strength are noted. Deleterious effects of alkalies on the mechanical properties of cement may be reduced by addition of gypsum to the raw feed. /Author/TRRL/

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  • Corporate Authors:

    Pergamon Press, Incorporated

    Maxwell House, Fairview Park
    Elmsford, NY  United States  10523
  • Authors:
    • JAWED, I
    • Skalny, J
  • Publication Date: 1978-1

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00178563
  • Record Type: Publication
  • Source Agency: Transport and Road Research Laboratory (TRRL)
  • Files: ITRD, TRIS
  • Created Date: Sep 27 1978 12:00AM