SYMPOSIA PAPER Published: 01 January 1990
STP23467S

Carboaluminate Reactions as Influenced by Limestone Additions

Source

The search for less costly alternative materials in the cement industry has led to the proposal for partial substitution of limestone for gypsum. This has led to the need for analysis of the accompanying calcium carboaluminates that form when carbonate is in contact with aluminum bearing species. The extent of formation of this species along with changes in the cement system accompanying their formation are of interest. Powdered X-ray diffraction and Fourier transform infrared were utilized in order to determine characteristics of carboaluminates. Analogies to systems composed of gypsum added to clinker are used to help explain methods of formation of carboaluminates.

Author Information

Ingram, K
University of North Texas, Denton, TX
Poslusny, M
University of North Texas, Denton, TX
Daugherty, K
University of North Texas, Denton, TX
Rowe, W
Texas Industries, Midlothian, TX
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Details
Developed by Committee: C01
Pages: 14–23
DOI: 10.1520/STP23467S
ISBN-EB: 978-0-8031-5125-3
ISBN-13: 978-0-8031-1454-8