Evaluation of pozzolanic activity of natural and artificial pozzolans by thermal analysis

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dc.contributor.author Moropoulou, A en
dc.contributor.author Bakolas, A en
dc.contributor.author Aggelakopoulou, E en
dc.date.accessioned 2014-03-01T02:42:46Z
dc.date.available 2014-03-01T02:42:46Z
dc.date.issued 2004 en
dc.identifier.issn 0040-6031 en
dc.identifier.uri http://hdl.handle.net/123456789/31066
dc.subject DTA/TG en
dc.subject Lime en
dc.subject Mortars en
dc.subject Pozzolans en
dc.subject.classification Chemistry, Analytical en
dc.subject.classification Chemistry, Physical en
dc.subject.other calcium oxide en
dc.subject.other chemical reaction kinetics en
dc.subject.other chemical structure en
dc.subject.other conference paper en
dc.subject.other mineralogy en
dc.subject.other paste en
dc.subject.other thermal analysis en
dc.subject.other thermogravimetry en
dc.title Evaluation of pozzolanic activity of natural and artificial pozzolans by thermal analysis en
heal.type conferenceItem en
heal.identifier.primary 10.1016/j.tca.2003.11.059 en
heal.identifier.secondary http://dx.doi.org/10.1016/j.tca.2003.11.059 en
heal.language English en
heal.publicationDate 2004 en
heal.abstract In this research, the pozzolanic activity of natural and artificial pozzolan used for preparation of restoration mortars was evaluated. For this purpose, several pastes were prepared, by mixing two artificial pozzolans and a natural one with commercial hydrated lime, in different ratios. The pastes were cured in standard conditions (RH = 98%, T = 25degreesC). The pozzolanic activity was evaluated by using simultaneous differential thermal and then nogravimetric analysis (DTA/TG) after curing for 3, 7, 14, 28 days. The obtained results revealed that the various lime/pozzolan pastes displayed different reaction kinetics and therefore the various pozzolans present different reactivity, in proportion to its mineralogical, physical and chemical characteristics. (C) 2004 Elsevier B.V. All rights reserved. en
heal.publisher ELSEVIER SCIENCE BV en
heal.journalName Thermochimica Acta en
dc.identifier.doi 10.1016/j.tca.2003.11.059 en
dc.identifier.isi ISI:000224371800021 en
dc.identifier.volume 420 en
dc.identifier.issue 1-2 SPEC. ISS. en
dc.identifier.spage 135 en
dc.identifier.epage 140 en

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