MINERAL ADMIXTURES CONTRIBUTION TO THE DEVELOPMENT OF HEAT OF HYDRATION AND STRENGTH

In this technical paper, the authors study the benefits of adding mineral admixtures to portland cement to reduce possible cracking from the heat of hydration. Natural pozzolan, fly ash, and granulated blast furnace slag are used to control heat of hydration development. Blended cements in this study consist of ordinary portland cement, gypsum, and mineral admixtures, previously ground in a laboratory mill. The percentages of mineral admixtures were 0, 10, 20, 30, 40, 50, 70, and 90, by mass and tests were conducted at 3, 7, 28, 90, and 180 days. Results are expressed in percentages of control cement (0 percent replacement) and are plotted for each replacement, percentage, and age. Empirical coefficients are generated for the contribution of mineral admixtures to the heat of hydration. A mathematical expression provides an estimate of the heat of hydration of a blended cement based on the mineral admixture chosen, the percentage used, and the heat of hydration of the control cement, up to 180 days.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/3528769
• Corporate Authors:

  American Society for Testing and Materials (ASTM)

  100 Barr Harbor Drive, P.O. Box C700
  West Conshohocken, PA  United States  19428-2957
• Authors:
  • Rahhal, V F
  • Batic, O R
• Publication Date: 1994-12

Language

• English

Media Info

• Features: Figures; References; Tables;
• Pagination: p. 150-158
• Serial:
  • Cement, Concrete and Aggregates
  • Volume: 16
  • Issue Number: 2
  • Publisher: American Society for Testing and Materials (ASTM)
  • ISSN: 0149-6123
  • Serial URL: http://journalsip.astm.org/JOURNALS/CEMENT/cca_home.html

Subject/Index Terms

• TRT Terms: Admixtures; Chemical compounds; Compressive strength; Flexural strength; Fly ash; Granulated slag; Heat of hydration; Laboratory tests; Minerals; Portland cement; Pozzolan; Waves
• Old TRIS Terms: Compounds
• Subject Areas: Highways; Materials; I32: Concrete;

Filing Info

• Accession Number: 00675520
• Record Type: Publication
• Files: TRIS
• Created Date: Mar 15 1995 12:00AM