Effect of Aggregate, Cement, and Mineral Admixtures on the Microstructure of the Transition Zone
- 1 January 1987
- journal article
- Published by Springer Nature in MRS Proceedings
Abstract
This paper contains a review of the results from the studies at the University of California at Berkeley on various factors influencing the microstructure of the transition zone in concrete. Two types of aggregate, two different cement, and three mineral admixtures were investigated. Using cement paste-polished aggregate composite specimens cured up to three years, X-ray diffraction, scanning electron microscopy, and microhardness testing techniques were used for characterization of the transition zone.Compared to the transition zone between a quartz aggregate and an ASTM Type I portland cement, transition zones with smaller and less preferentially oriented crystals of calcium hydroxide were obtained when using a Type K expansive cement, or limestone aggregate, or mineral additives, such as condensed silica fume, granulated blast-furnace slag, and fly ash.Keywords
This publication has 3 references indexed in Scilit:
- Etude de la formation du monocarboaluminate de calcium hydrate au contact d'un granulat calcaire dans une pate de ciment portlandCement and Concrete Research, 1980
- Morphology of the Paste-Aggregate Interface, Volume 1Published by Purdue University Press ,1976
- The Nature of the Past-Aggregate Interface : Interim ReportPublished by Purdue University Press ,1972