Limestone reaction in calcium aluminate cement–calcium sulfate systems

Journal Article · Thu Oct 15 00:00:00 EDT 2015 · Cement and Concrete Research

DOI:https://doi.org/10.1016/J.CEMCONRES.2015.05.019· OSTI ID:22475526

Bizzozero, Julien; Scrivener, Karen L.

This paper reports a study of ternary blends composed of calcium aluminate cement, calcium sulfate hemihydrate and limestone. Compressive strength tests and hydration kinetics were studied as a function of limestone and calcium sulfate content. The phase evolution and the total porosity were followed and compared to thermodynamic simulation to understand the reactions involved and the effect of limestone on these binders. The reaction of limestone leads to the formation of hemicarboaluminate and monocarboaluminate. Increasing the ratio between sulfate and aluminate decreases the extent of limestone reaction.

• OSTI ID: 22475526
• Journal Information: Cement and Concrete Research, Vol. 76; Other Information: Copyright (c) 2015 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); ISSN 0008-8846
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
36 MATERIALS SCIENCE
ALUMINATES
BINDERS
CALCIUM
CALCIUM SULFATES
CEMENTS
COMPARATIVE EVALUATIONS
COMPRESSION STRENGTH
HYDRATION
LIMESTONE
POROSITY
THERMODYNAMICS