Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 97: Issue 1
Pozzolanic reactivity of the supplementary cementitious material pitchstone fines by thermogravimetric analysis
Authors:
K. Vessalas University of Technology, Sydney Centre for Built Infrastructure Research PO Box 123 Broadway SW 2007 Australia

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P. Thomas University of Technology, Sydney Centre for Built Infrastructure Research PO Box 123 Broadway SW 2007 Australia

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A. Ray University of Technology, Sydney Centre for Built Infrastructure Research PO Box 123 Broadway SW 2007 Australia

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J. Guerbois University of Technology, Sydney Centre for Built Infrastructure Research PO Box 123 Broadway SW 2007 Australia

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P. Joyce Perlco Pty Ltd. Suite 701, Level 7, 121 Walker Street North Sydney NSW 2060 Australia

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J. Haggman Perlco Pty Ltd. Suite 701, Level 7, 121 Walker Street North Sydney NSW 2060 Australia

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Pages:
71–76
Online Publication Date:
28 Apr 2009
Publication Date:
01 Jul 2009
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-008-9708-5
Keywords:
fly ash; pitchstone fines; Portland cement; pozzolanic reactivity; thermogravimetric analysis
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Abstract  

Thermogravimetric (TG) analysis was applied to the characterisation of the pozzolanic reaction in mortars containing the supplementary cementitious materials (SCMs) pitchstone fines (PF) and fly ash (FA) as partial replacements for Portland cement (PC). TG analysis was used to determine the proportion of calcium hydroxide (CH) present from the hydration of the PC based on the dehydroxylation of the CH present in the blended PC-SCM mortars. The consumption of CH indicated that both SCMs underwent the pozzolanic reaction and that PF was found to compare favourably in its pozzolanic reactivity of FA, the industry and globally accepted standard artificial pozzolan.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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