<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This work aims to characterize the microstructure of mortars derived from the walls of sacred buildings from the 17th century. The tests were carried out using the X-ray diffraction method, differential thermal analysis and scanning microscopy combined with the analysis of the elemental composition in the micro area. The results of this study show that the materials bonding the elements of the wall in historic buildings are porous sand-lime mortars with an increased binder-to-aggregate ratio, also containing limestone crumbs, flints and feldspars, and fragments of bricks larger than sand particles. The binder is fully carbonated calcium hydroxide, with no pozzolanic additives. The results of the microstructure and phase composition tests of mortars used for bonding wall elements in buildings constructed at the end of the 16th and early 17th centuries can be used to select the composition of mortars used in the renovation and repair of historic buildings.</p>
</abstract>

This work aims to characterize the microstructure of mortars derived from the walls of sacred buildings from the 17th century. The tests were carried out using the X-ray diffraction method, differential thermal analysis and scanning microscopy combined with the analysis of the elemental composition in the micro area. The results of this study show that the materials bonding the elements of the wall in historic buildings are porous sand-lime mortars with an increased binder-to-aggregate ratio, also containing limestone crumbs, flints and feldspars, and fragments of bricks larger than sand particles. The binder is fully carbonated calcium hydroxide, with no pozzolanic additives. The results of the microstructure and phase composition tests of mortars used for bonding wall elements in buildings constructed at the end of the 16th and early 17th centuries can be used to select the composition of mortars used in the renovation and repair of historic buildings.

The Microstructure and Phase Composition of Mortars from the 17th Century Sacred Buildings

Structure and Environment

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

This work aims to characterize the microstructure of mortars derived from the walls of sacred buildings from the 17th century. The tests were carried out using...

The Microstructure and Phase Composition of Mortars from the 17th Century Sacred Buildings

Published Online: Feb 02, 2022

Page range: 153 - 158

DOI: https://doi.org/10.30540/sae-2020-015

Keywords
mortar, microstructure, XRD, SEM, EDS

© 2020 Zdzisława Owsiak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The Microstructure and Phase Composition of Mortars from the 17th Century Sacred Buildings

Published Online: Feb 02, 2022

Page range: 153 - 158

DOI: https://doi.org/10.30540/sae-2020-015

Keywordsmortar, microstructure, XRD, SEM, EDS

© 2020 Zdzisława Owsiak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
mortar, microstructure, XRD, SEM, EDS