Preparation and Properties of Pressed Metakaolin and Fly Ash Based Alkali-Activated Binders

Author:

Boháčová Jana1,Staněk Stanislav1,Mec Pavel1

Affiliation:

1. VSB – Technical University of Ostrava

Abstract

Metakaolin, fly ashes and other secondary raw materials serves as suitable input in preparation of alkali-activated binders. This work deals with preparation of alkali-activated materials based on metakaoline and fly ash. Mixtures were prepared with a minimum of mixture water, ready for pressing. Prepared specimens were tested for tensile strength and pressure strength, resistance to high temperatures, frost resistance and resistance to water and salt.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference10 articles.

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2. J. Brandštetr, P.V. Krivenko, Alkalické cementy a betony. SILIKA. 10 (2000), 26 – 28.

3. ČSN EN 196-1 Methods of testing cement - Part 1: Determination of strength. Czech normalization institute, (2005).

4. ČSN 73 1322 Determination of frost resistance of concrete. Czech normalization institute, (1968).

5. J. Davidovits, Geopolymers, Inorganic polymeric new materials., Journal of Thermal Analysis. 37 (1991), 1633 - 1656.

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