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Title: Evaluation of heat treated clay for potential use in intervention mortars
Authors: Budak, Meral
Akkurt, Sedat
Böke, Hasan
Keywords: Aggregates
Pozzolanic activity
Historical mortar
Compressive strength
Publisher: Elsevier Ltd.
Source: Budak, M., Akkurt, S., and Bçke, H. (2010). Evaluation of heat treated clay for potential use in intervention mortars. Applied Clay Science, 49(4), 414-419. doi:10.1016/j.clay.2009.11.031
Abstract: In this study, raw material compositions, basic physical, mineralogical, microstructural and hydraulic properties of lime mortars used in two selected historic buildings were determined by XRD, SEM-EDS and TGA analyses. The results showed that the mortars were hydraulic due to the use of pozzolanic aggregates. Taking into account the hydraulic characteristics of mortars due to the use of pozzolanic aggregates, the possibility of obtaining hydraulic mortars by using pozzolanic aggregates produced from heated commercial clays was investigated. For this purpose, four clay samples used in the ceramic industry in Turkey were heated at varying temperatures of 400, 450, 500, 550, 600, 800, and 1200°C with a heating rate of 10°C/min. Pozzolanic properties of heated clay samples were determined. The results showed that commercial clays studied are well suited for use as pozzolanic aggregates when they are heated between 500 and 700. °C. This is also confirmed by testing the compressive strengths of the three month aged laboratory-produced mortars that contained thermally treated clay (at 600°C) as pozzolanic aggregates. Compressive strength of this mortar was around 5. MPa which is satisfactorily high. © 2009 Elsevier B.V.
ISSN: 0169-1317
Appears in Collections:Conservation and Restoration of Cultural Heritage / Kültür Varlıklarını Koruma ve Onarım
Mechanical Engineering / Makina Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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