Alkaline Activation of Synthetic Gehlenite Glasses

Alkaline activation of granulated blast furnace slags by highly concentrated solutions of sodium or potassium ions have been a subject of numerous investigations for many decades. Irrespectively, the type of activator used, the so-called C-S-H phase formed is very compact, of low C/S ratio, rich in sodium, aluminum and magnesium and is a predominant hydration product. Properties of AAS pastes, mortars and concretes strongly depend on the chemical and phase composition of slag. This paper presents the properties of the alkali activated pastes and mortars produced on the base of synthetic alumino-silicate glasses of gehlenite type. Setting time, mechanical properties and heat of hydration of the gehlenite-glass pastes are presented. Detailed studies of phase composition, microstructure and structure of alkali-activated gehlenite glasses are presented in this paper.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/139780870312410
• Corporate Authors:

  American Concrete Institute (ACI)

  38800 Country Club Drive
  Farmington Hills, MI  United States  48331
• Authors:
  • Deja, J
• Conference:
  • Ninth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag and Natural Pozzolans in Concrete
  • Location: Warsaw , Poland
  • Date: 2007-5-20 to 2007-5-25
• Publication Date: 2007

Language

• English

Media Info

• Media Type: Print
• Features: Figures; Photos; References; Tables;
• Pagination: pp 9-22
• Monograph Title: Ninth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag and Natural Pozzolans in Concrete

Subject/Index Terms

• TRT Terms: Admixtures; Alkali aggregate reactions; Alkali silica reactions; Aluminum; Blast furnaces; Cement mortars; Cement paste; Concrete; Granulated slag; Hydration; Slag
• Subject Areas: Highways; Materials; I32: Concrete;

Filing Info

• Accession Number: 01053818
• Record Type: Publication
• ISBN: 139780870312410
• Report/Paper Numbers: S-242-2
• Files: TRIS
• Created Date: Jul 20 2007 9:55AM