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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Recent Investigations of the System Lime-Alumina-Calcium Sulfate-Water and its Importance in Building Research Problems
Author(s): Wilhelm Eitel
Publication: Journal Proceedings
Appears on pages(s): 679-698
Keywords: no keywords
Abstract:The general chacter of the complex calcium aluminate sulfate hydrates in the quaternary system is outlined. on the basis of the previous publicntioue of F. E. Jones and of revised determinations of the concentration of the equi-librium solutions. New projection methods for the quaternary equilibrium are given which are particularly obvious for solutions of very low concentrations in lime, calcium sulfate, and alumina hydrate. The importance of unstable crys-tallizations is emphasized, especinlly the formation of crystillaine solutions of tetrecalcium aluminate hydrate and 3CaO * A12O3 * 12H2O. The use of the revised equilibrium diagram for the explanation of thr reactions of sulfate solutions with poazolnns containing hydraulic binders is particularly illustrated. The role of activated alumina in zeolitic weathering minerals of pozzolanic and related rock types is emphasized for the correct interpretation of such reactions.
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