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Design of Alkali Pozzolan Cement (APC): Early Compressive Strength

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Authors
Kulasuriya, Chandana
Vimonsatit, Vanissorn
Dias, W. P. S.
Date
2012
Type
Conference Paper

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Kulasuriya, Chandana and Vimonsatit, Vanissorn and Dias, W. P. S. 2012. Design of Alkali Pozzolan Cement (APC): Early Compressive Strength, in Vimonsatit, V. and Singh, A. and Yazdani, S. (ed), Research, Development, and Practice in Structural Engineering and Construction, The 1st Australasia and South East Asia Conference in Structural Engineering and Construction (ASEA-SEC-1), Nov 28-Dec 2 2012, pp. 395-400. Perth, Western Australia: Research Publishing Services.
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Proceedings of the 1st Australasia and South East Asia Conference in Structural Engineering andConstruction (ASEA-SEC-1)
Source Conference
The 1st Australasia and South East Asia Conference in Structural Engineering andConstruction (ASEA-SEC-1)
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Abstract

This paper explores the feasibility of producing Alkali Pozzolan Cement (APC), a cementitious mixture obtained by mixing alkali materials and pozzolanic materials along with some other chemicals. Pozzolanic material used in the experiments is fly ash and the alkali-generating material used is quicklime. The two critical issues related to fly ash-quicklime mixture are slow reaction and slow hardening process. These issues were resolved by adding ‘activating chemicals’ and ‘scaffolding chemicals’. It is seen that early strength of APC can be significantly improved by adding activating and scaffolding chemicals. Finally the paper proposes a development of a multi-dimensional matrix, by varying the percentages of constituent materials, to determine the optimum APC mixture.